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Welcome to the gallery of every possible known Astromechs in the Star Wars movie series and some others in the Star Wars Expanded Universe. (EU)
[will be updated once i have new info. Cheers!]


Astromechs


P2 SERIES


The P2-series astromech droid was Industrial Automaton’s first astromech droid prototype, using a design that would later prove popular with the R2-series astromech droids.

The P2-series were 2.2 meter tall astromech droids with three wheeled legs, a rotating head dome, and retractable manipulator arms. The design was not successful at this point, however; the P2 droids were cumbersome, sluggish and clumsy. The droids were fitted with primitive Intellex II ship-configuration computers, and were able to communicate only through the use of its video display screen or computer link. Design glitches were common in these units, including a poorly-coded maneuverability routine that made the P2 ungainly and very clumsy.

Despite these faults, the P2 proved popular among star captains in the merchant fleets of the Galactic Republic. The P2 unit was a capable maintenance droid, with a buzz saw and laser cutter that made it handy for repair work. Because of its size, the P2 was commonly found aboard large bulk cruisers or container vessels.

Industrial Automaton was in the process of finalizing plans to make the P2-series publicly available when the company ran into trouble. Industrial Automaton was hit with a technology-infringement lawsuit, and though the case was eventually dropped, legal delays and bad publicity forced the company to scrap the P2 design. Industrial Automaton recovered from the blow, and followed up the P2-series with the R1 unit.

Other P2 units
(lacking images / confirmation of accuracy)

P2-D19
Pip


R1 SERIES


It integrated and improved on the developments of the P2 prototype astromech, and was a natural evolution of that model, despite its unconventional appearance. To save on R&D and retooling costs, IA reused the jet black body shells from its long running Mark II reactor drone series. The dense shielding of the heavy shell gave the R1 protection against the most intense radiation. The two meter tall droid moved about via a treaded unipod, which often malfunctioned, stranding the droid where they stood.

The center of the R1’s design was the Intellex III computer brain, which contained a comprehensive catalog of 500 starship configurations. In addition, the R1 was the first IA astromech able to calculate navigational coordinates for a single hyperspace jump. They were used in hyperdrive sleds of CloakShape fighters.

Due to their cumbersome size (though it was far less cumbersome than the P2-series), R1s were stationed aboard capital warships and large freighters. The droids array of retractable tools made them adequate technicians, but owners often complained of their obstinate personalities and unreliable method of locomotion. IA promised to address all these issues in their next model, the R2-series.

The cobbled together nature of the R1 did not give of the impression of sophisticated electronics, but IA did use the model to introduce Binary to the market, which became the standard for all inter-droid communications.

R1-G4

R1-G4 was an R1-series astromech droid produced by Industrial Automaton prior to the Battle of Yavin.
R1-G4 was refitted with the armored shell of a Mark II reactor drone by its owner, who was later captured. The droid was abandoned on Tatooine, but later recovered by Jawas in Chief Kalit’s tribe, who stowed R1-G4 aboard their sandcrawler. R1-G4 was part of the line-up assembled at the Lars’ homestead as a prospective purchase for Owen Lars. Lars eventually chose C-3PO and R2-D2, and R1-G4 was presumably captured or destroyed when the Desert Sands sandtrooper unit destroyed the sandcrawler while searching for those very droids.

Other R1 units
(lacking images / confirmation of accuracy)

R1-T4


R2 SERIES


The R2-series astromech droid was a model of astromech droid produced by Industrial Automaton, and its success was never equaled in Industrial Automaton’s long history. A combination of excellent design, high-quality marketing, and good timing made this astromech droid one of the most sought after droids in history, and one of the few vintage astromech series still in active production decades after it was first designed. The prototype for the series was R2-0.

Like its forerunners, the R2 was designed to work in and around space vessels as a diagnostic and repair unit. But unlike the clunky R1-series, this rounded, waist-high droid was made specifically to fit in military starfighter astromech slots. This was a radical departure, as previously all such droids had been dedicated government models. The droid’s popularity was equal with Galactic Republic fighter jocks as with the general public.

When plugged into a T-65 X-wing starfighter, Eta-2 Actis-class interceptor, or similar starfighter, the R2 monitored flight performance, pinpointed and corrected technical problems, and performed power management, optimizing shipboard systems. The unit could store up to ten sets of hyperspace vector coordinates in active memory, and many had the intelligence and experience to perform engine startup and pre-flight taxiing. The R2 operated flawlessly in the vacuum of interstellar space.

The center of the droids’ success could be attributed to its Intellex IV computer, which featured 700 different spacecraft configurations. Its sensor package was equally impressive, with a full-spectrum transceiver and electromagnetic, heat, motion, and life form indicators. The droid also had a fully maneuverable video sensor, deployed from its domed head, allowing it to inspect enclosed spaces or peer over obstacles.

The droid’s outer shell concealed an array of tools beneath its streamlined durasteel exterior. Each R2 came equipped from the factory with two manipulator arms, an electric arc welder, circular saw, computer scomp link arm, holographic recorder/projector unit, internal cargo compartment, and a general-use fire extinguisher. IA, taking a page from Corellian ship-builders, made the droids easy to upgrade and modify. The company offered a variety of after-market packages, but industrious owners also managed to equip R2’s with such eclectic items as underwater propellers, laser pointers, jet thrusters, remote sensor limpets, and inflatable life rafts. This adaptability made the R2 units particularly popular among tech-heads, who often would have running competitions over who could outfit the most eclectic droid.

R2 units could interface directly with starfighters through large sockets, such as on an Eta-2.IA spent a great deal of time in the design of the R2’s personality matrix. The droid was obliging, quick witted, and sincere. If the droid was not subjected to periodic memory wipes, it could develop a headstrong, self-reliant disposition. Many owners, however, actually preferred a droid willing to offer candid second opinions. Starfighter pilots tended to develop a strong bond with their astromech droids, often flying all their missions with one particular droid, and strongly objected to the memory wipes their counterparts were given on a regular basis in some units.

R2-A1

R2-A1 was an Imperial R2-series astromech droid, and one of the astromechs who accompanied Darth Vader on board the Tantive IV in 0 BBY to find the data concerning the Death Star plans.

R2-A5

R2-A5 is a white and green astromech droid that was programmed by the Empire for combat communications. It was used to acquire targeting data and relay it to starfighters and gunnery systems. It was assigned to Tatooine during the search for R2-D2 and C-3PO. R2-A5 was edited out of the Special Edition of Star Wars and replaced with the dinosaur-like Ronto creature.

R2-A6

R2-A6 played a major role in the Battle of Naboo with Ric Olie. Like many pilots, Olie has a superstitious streak; while he hasn’t forged a real friendship with his astromech R2-A6, he does consider the green-trimmed droid a good luck charm.

R2-B1

R2-B1 was a blue-yellow astromech droid that worked for Naboo’s government. It was usually inside the Nubian J-327 owned by Queen Amidala. When the Queen escaped from Naboo, the shield generator was hit. R2-B1 was commanded to fix it, but was unfortunately shot down.

R2-C3

R2-C3 was an astromech droid who was owned by the Rebel Alliance. It was infiltrated into the Imperial Sector Plexus station near Keltos IV. Its duties as an Imperial droid were to monitor the Plexus’ computer networks for illegal intrusion. As an Alliance operative, Seecubed (as he was known to the Alliance) recorded information from the Plexus’ computers and transmitted important data to the Alliance.

R2-D1

R2-D1 was a droid that worked for the Royal Naboo Security Forces. It was one of the droids aboard the Queen’s starship, but did not go out to make immediate repairs after the Droid Control Ship opened fire on them. This was, in retrospect, a smart move, since all the astromechs who ventured out failed to return, save R2-D2. R2-D1 lived to serve in the Battle of Naboo when he went into the socket of an N-1 Starfighter. His fate in the battle is unknown.
(suspected reused model for R2-M5)

R2-D2

R2-D2 was an astromech droid, the most famous unit of the R2 series, and long time counterpart of Protocol droid C-3PO. Along with his resourcefulness, R2 had many tool-tipped appendages that allowed him to be a great starship mechanic and computer interface specialist. A bold droid, R2 would often enter dangerous situations without second thought. This adventurous streak saved the day on numerous occasions, often turning the tide of galactic history.

R2-D3

R2-D3 was an R2 series astromech droid that worked for the Royal Naboo Security Forces. He was stationed aboard Amidala’s starship when it was attacked during the escape from Naboo. He worked on the starboard engines whilst other droids fixing the shields were blown up by the Droid Control Ship. He survived to be partnered with a member of Bravo Squadron during the Battle of Naboo. His fate was uncertain.
(suspected reused model for R2-C4)

R2-D7

R2-D7 was an R2-series astromech droid. It was one of the many technician droids that worked for Star Tours during the Galactic Civil War. The droid had the body of an R2 unit and the head of an R4 unit.

R2-G2

R2-G2 helps maintain the Podrace pit area on Tatooine with his owner, Mac Traaj.

Updated conflicting info from wookieepedia - Watto’s Astromech:
This unnamed astromech droid was found working in Watto’s junkyard around 32 BBY.
This droid has not received an official name or designation yet. Often the droid receives a fanon name.
First seen in Star Wars Episode I: The Phantom Menace

R2-Q2

R2-Q2 spent several decades with the Imperial reconnaissance fleet, serving on many reconnaissance missions in the Expansion Region. R2-Q2 was assigned to the Devastator’s mission to capture the Tantive IV. As luck would have it, this droid (or one VERY similar in appearance) also appears in Biggs’ X-Wing at the Battle Of Yavin.

R2-Q5

R2-Q5 was an R2-series astromech droid produced by Industrial Automaton. R2-Q5 had black coverings highlighted by red access panels. R2-Q5 was a well-equipped droid, with tools for repairing starships and special, hidden spy devices. During the latter stages of the Galactic Civil War, R2-Q5 was assigned to the second Death Star above the Moon of Endor. He was destroyed in the explosion of the second Death Star.

R2-R9

R2-R9 was an astromech droid, in the same line as R2-D2. The droid, along with almost all the other R2 droids on Queen Amidala’s ship were destroyed when they tried to fix the shield generator while escaping the Trade Federation Blockade of Naboo.

R2-X0

Owned by a Krish mechanic known as Maniac, this modified astromech droid was nicknamed Patchwork. The droid had additional armor plating and was installed with a variety of tools. The unit often emitted a high-pitched giggle after his owner spoke, which many people felt Maniac added to the droid himself.

R2-X2

R2-X2 was the astromech droid used by Theron Nett (Red 10) during the Battle of Yavin.

R2Z-DL

R2Z-DL, nicknamed Toozy, was the only astromech droid to ever earn the Rebel Alliance’s Rohal Cross for valor. The unit was owned by a deep-cover Alliance operative at one time. When the agent was assassinated by the minions of crimelord Qa’till, Qa’till took the droid and placed it in his labor pool on Hypotria. Toozy remained loyal to the Alliance, stealing information from starships that landed on the planet and relaying important data back to the Alliance. The droid tipped off Koedi Raef to the Empire’s movements near Vilosoria. As a result Raef was awarded the Rohal Cross for successful liberation of the planet, but the starfighter pilot refused it and gave it to Toozy.

Whistler

Whistler, also called Xeno, was the astromech droid of Corran Horn. It was the same R-series model as the legendary R2-D2.
Just like almost every standard astromech droid, Whistler’s metal body was silver and white and it had green details—the color of CorSec and Corran’s X-wing.

Other R2 units
(lacking images / confirmation of accuracy)

BXET-R2
PR6-3
R2-0
R2-4B
R2-B3 (Cappie)
R2-B4
R2-C9
R2-D0
R2-D5
R2-D6
R2-D609
R2-D9
R2-E7
R2-F7
R2-K7
R2-L1
R2-M3
R2-O
R2-PU
R2-Q8
R2-QU
R2-RC
R2-RD
R2-S4
R2-V0
R2-V6
R2-X3
R2-X9
R2-Z1 (Fweep)
R2-Z13 (Plug)
R2-Z4
Bakuran powerplant droid
Catch / Jawaswag
Choco
Clink
Gadget
Kit Fisto’s astromech
Plo Koon’s astromech
PR6-3
R2-5
Saesee Tin’s astromech
Shaker
Shiner
Sneaky
Tonin
Unknown Coruscanti Astromech
Vape
Wrench


R3 SERIES


Flushed with the success of their landmark R2 launch, Industrial Automaton rushed to capitalize on their new dominance of the astromech droid market. The R3-series astromech droid was designed specifically for use by high-tech government agencies. The R3 was launched almost simultaneously with another niche product, the R4-series agromech droid.

Outwardly, the R3 copied its popular predecessor right down to the bright, contrasting color trim on its metal chassis. The obvious difference in the factory unit was its head, a clear dome of durable plastex. The transparent hemisphere gave the droid’s internally mounted sensor package greater range and showcased the R3’s other major distinction, its newly updated Intellex V computer brain. Over time, however, some unit’s original domes were replaced with opaque ones, or painted over carelessly.

The Intellex V housed an impressive database with detailed specifications on every vessel in the Republic Navy, and could be readily programmed with additional ship specifications easily. Armed with this information, the R3 worked in cooperation with gunnery crews, security troopers, and naval chiefs of operation aboard capital-scale warships. Though its primary function was as a capital ship astromech, it could still operate as a plug-in droid for starfighters, and could hold up to five hyperspace jump coordinates in active memory.

Due to the sensitive nature of the R3’s programming, the rather expensive model was sold only to recognized government militaries. The Galactic Republic purchased 125 million of the droids during IA’s initial production run, and later the Empire would use R3s aboard Star Destroyers and the Death Star battle stations. Following the fall of the Empire, in an effort to maintain friendly relations with the New Republic, Industrial Automaton’s policy restricted it from knowingly selling to the Imperial Remnant or known Imperial factions.

R3-A2

R3-A2 was an R3 astromech droid. It was seen in the Rebel base on Hoth. It is unknown if R3-A2 survived the Imperial raid, or was assigned to an escorting X-wing.
Like other R3 droids manufactured by Industrial Automaton, R3-A2 was designed for high tech work on military installations. The clear plastex dome shows off a newly-updated Intellex V computer system, which contained detailed statistics on thousands of military starships. R3-A2 could hold up to 5 hyperspace jumps in active memory, and could also coordinate piloting coordinates and approach angles during combat.

R3-D3

R3-D3 is assigned to the Starspeeder 3000. He is one of the droids seen at Disney Star Tours.
(only appeared in Disneyland Star Wars set)

R3-O1

R3-O1 served the Galactic Empire aboard the first Death Star. He was most likely destroyed along with the space station over the planet Yavin. It is possible, however extremely unlikely that he left on an officer’s shuttle before the space stations destruction.

R3-P5

R3-P5 served the Rebel Alliance on the planet Hoth in the Command Center. Unfortunately he did not make it off the planet Hoth when the base was evacuated.
(suspected reused model for R3-Y2)

R3-T2

R3-T2 was an R3 astromech droid, seen in Mos Eisley. R3 escaped from a crew of pirates that were based in Mos Eisley. They used to torture and abuse the little droid for many years. The unit was programmed to both enhance and sabotage hyperdrive systems. R3-T2 was also equipped with an increased memory capacity that made it different from standard R3 units. It is assumed his original clear dome, a striking characteristic of standard R3 units, was replaced by the dome of a standard R2 unit.

R3-T6

R3-T6 served aboard the first Death Star. Like most R3 units, it had a larger memory capacity and more advanced circuitry than its R1 and R2 predecessors, allowing for more efficient navigation. R3-T6 was destroyed when the battle station was blown up by the rebel alliance.

R3-T7

R3-T7 was a green and yellow trimmed astromech droid who lived in the Coco District of Coruscant in 22 BBY.

Other R3 units
(lacking images / confirmation of accuracy)

R3-K8


R4 SERIES


Flushed with the success of their landmark R2 launch, Industrial Automaton rushed to capitalize on their new dominance of the astromech droid market. The R4-series agromech droid was a highly successful attempt to capture a new market prospect—the Outer Rim urbanite who more likely have a souped-up landspeeder parked in their garage than an X-wing. Accordingly, the R4 agromech droid was designed for life outside the pristine hangar bay. It was simpler, tougher, and cheaper than previous R-series models.

The R4 had the same outward appearance of an R2 or R3 droid below the neck, but to save money on production, items such as the video display screen and miniature fire extinguisher were omitted. The holographic projector/recorder unit was retained, but relocated to the top of the head dome to allow for use of a cheaper, less miniaturized unit with a smaller rotational axis. The droid’s Intellex VI computer was advanced, but geared toward common repulsorcraft designs and specs for commercially available space transports. The computer brain was designed with more space between the components, lowering production costs, but requiring a larger head dome, and likewise eliminated many of the function indicators and gadgetry found on other R-series head domes. The R4 was unsuited to the task of starfighter astromech; it could only hold the coordinates for a single hyperspace jump in its active memory, a one way trip for any fighter jock. Jedi Temple R4 units, like R4-P17, were notable exceptions, despite their R2-style dome.

The droids were rugged; able to shrug off the nicks and dents common to a working garage environment as well or better than other R-droids. IA was pleased to discover that, with regular maintenance checks, the R4 outlasted its design parameters for operational life, weather endurance, personality matrix stability, and time elapsed between recharge sessions.

Mass-market buyers liked the R4, as did the freedom fighters of the Alliance to Restore the Republic. They reasoned that no one would be suspicious of a mass purchase of agromech droids, the way they would be of starfighter ready copilots like the R2. The model’s low cost and knowledge of general-purpose vehicles were also greatly appreciated by the resource-strapped Rebels, and soon the droids’ conical heads were familiar sights in Alliance bases and Mon Calamari hangar bays. A few R4s, equipped with non-standard magnetic fault sensors, were used by the Galactic Empire to detect flaws and weaknesses in the atmospheric containment fields in hangar bays on board both Death Stars and on Star Destroyers.

R4-A22

R4-A22 was an orange R4-series astromech droid who wandered the streets of Coruscant. He was near Dexter’s Diner when Obi-Wan Kenobi sought information there. He was believed to have come from the higher levels of Coruscant.

He journeyed all around Coruscant and stayed at the Jedi Temple for a while. He lived throughout the Clone Wars and, when General Grievous attacked Coruscant, R4-A22 journeyed throughout the chaos and was nearly killed several times. He was in the middle of the battle at the Senate District when he curiously wandered toward the Jedi Temple. He entered the temple and hopped into Plo Koon’s fighter and he landed in the hangar of Invisible Hand.

He escaped and lived in Coruscant and served Luke Skywalker’s New Jedi Order. He met and became friends with R2-D2 in his lifetime. He lived the rest of his life in the upper levels of Coruscant and the Jedi Temple.

R4-E1

R4-E1 was an astromech droid of the R4-series. He was the property of the spacer BoShek.

R4-G9

R4-G9 was a bronze-domed R4-series astromech droid maintained by the Jedi Order on Coruscant during the Clone Wars.

During the transition between the Delta-7 Aethersprite-class light interceptor and its Eta-2 Actis-class successor, many astro-droids hard-wired into or truncated to fit Delta-7 starfighters had to be replaced by factory-model units. Such was the case with Obi-Wan Kenobi’s R4-P17, who was temporarily replaced by R4-G9 when Kenobi became one of the first Jedi to pilot the next-generation model. Obi-Wan requisitioned a direct link between the two droids to ensure all flight performance records could be transferred between them.

Kenobi was re-assigned R4-P17 when the droid was engineered to operate with the Eta-2 interceptor, though Arfour was destroyed onboard Obi-Wan’s fighter during the Second Battle of Coruscant. She was replaced by R4-G9, whom Obi-Wan referred to as Geenine. Geenine was stationed onboard Vigilance following the resolution of the battle over Coruscant.

When Obi-Wan was tasked with tracking down and eliminating General Grievous, he flew with Geenine to Utapau in the Outer Rim Territories. There, he learned that the Separatists had assumed control of Utapau City, and ordered Geenine to perform a diversionary tactic. Geenine piloted the interceptor off the planet alone, returning to Vigilance while Obi-Wan remained on-world to locate Grievous.

With the formation of the Galactic Empire, Geenine presumably went on to serve in the Imperial Navy.

R4-I9

R4-I9 was a R4 astromech droid painted a dark blue. It was owned by the Rebel Alliance. R4 patrolled the hangar of the Yavin Base. The Star Wars Visual Dictionary made an error when describing this R4 unit, claiming it to be found on the Death Star I. However, it is actually seen in the Yavin hangar, in the distant background as Luke Skywalker confronts Han Solo about his decision to leave the rebels without his assistance.
R4-I9 was made as an action figure by Hasbro in 2003. However, it was painted solid black and labeled as an Imperial droid.

R4-M9

R4-M9 is a standard multiple-use droid used to control and repair vehicles and computers. An Industrial Automaton R4 astromech droid, R4-M9 was stationed on the Star Destroyer Devastator and used by the Empire to search the computer banks of the Rebel Blockade Runner Tantive IV, in order to find data on the stolen plans for the first Death Star. R4-M9 also can be seen at the Rebel Base on the planet Hoth. The second R4 unit shown is located at Star Tours, and is also called R4-M9, although it has a noticeably different paint scheme.

R4-P17

R4-P17 was the designation of the astromech droid attached to Obi-Wan Kenobi’s Delta-7 Aethersprite-class starfighter and Eta-2 Actis-class inteceptor prior to and during the Clone Wars.

The droid originally possessed the R4-series’s trademark conical head dome, but was involved in a messy incident while trying to repair a trash compactor at the Kuat Drive Yards research shipyards, resulting in the droid being crushed. Anakin Skywalker, on an visit to the shipyards to inspect the Jedi customizations to the Delta-7, found R4’s wreck and rebuilt her with an R2-series dome. Now the communal property of the Jedi Temple, R4 became the prototype for other integrated droid navigators in Jedi ships.

R4-P17 during the Second Battle of Coruscant.R4-P17 later lost her head coverings due to a buzz droid attack in the Second Battle of Coruscant while aboard General Kenobi’s Eta-2 Actis-class interceptor, and the droid was lost for good when the rear half of Invisible Hand broke off while Skywalker and Kenobi tried to land the damaged flagship.

R4-P44

R4-P44 was a R4-series astromech droid that was assigned to Jedi General Obi-Wan Kenobi’s clone trooper forces while stationed on Utapau. The droid, like R4-P17, had the dome of a R2 unit.

Other R4 units
(lacking images / confirmation of accuracy)

R4-B11
R4-D1
R4-D2
R4-G4
R4-J1
R4-J9
R4-K5
R4-M6
R4-M17
R4-S2


R5 SERIES


The R5-series astromech droid was a line of low cost astromech droids built by Industrial Automaton. Based upon the success of prior astromech models, such as the wildly popular R2-series, Industrial Automaton intended the R5-series to cater to budget buyers at the cost of some functionality.

Because of their inexpensive construction, however, droids of this series were plagued by a number of design flaws—most obviously, a sullen demeanor and sharp attitude resulting from deficiencies in the machine’s personality matrix. Media outlets soon picked up on these errors: Mechtech Illustrated called the R5 model “a meter-tall stack of the worst business decisions you could possibly want.”

During the Clone Wars, members of the R5-series were used by the Republic for a variety of roles, including use aboard starfighters like the ARC-170 and capital ships like the Acclamator-class assault ship.

They weren’t quite as commonly used by Rebel pilots because the extra height of the R5 made them a more prominent target in an X-wing’s droid socket, although the Alliance would use them in maintenance jobs extensively due to their low cost. Despite this, Wedge Antilles would use an R5 model.

After a particularly poor sales year, Industrial Automaton discontinued the R5 series in 22 BBY. To cover losses, the droid manufacturing firm repackaged R2-AG-series and R4-series droids in excess R5 shells.

Aboard Imperial warships, R5 units were used to monitor medical equipment such as life support capsules.

A number of R5 units were part of the population of ownerless, unwanted, and otherwise abandoned droids inhabiting Kligson’s Moon.

R5-A1

R5-A1 was an astromech droid assigned by Darth Vader to the Death Star II under construction above the moon of Endor.

Note:Contrary to popular opinion, R5-J2 and a droid that has received a fanon name (R5-A1) are two different droids. Directly beneath the dome, there are a couple of horizontal panels that on R2-D2, are both painted blue. On ‘R5-A1′, both are painted a reddish orange color. On R5-J2, only the top one is painted this color, the other remains plain black. R5-J2 also has numerous additional silver highlights on the dome, arms, and body. The image on this page is of ‘R5-A1′.
These are backed up by photographs on the toy packaging and in other source materials. Ergo, these are two separate droids.

R5-A2

R5-A2 was a abandoned astromech droid who roamed the streets of the Mos Eisley. R5 units are known for their ability to perform hull maintenance and repair damage caused by ionization.

R5-A7

R5-A7 was an astromech droid under the service of the Naboo Royal Security Force in 32 BBY. It was destroyed that year while attempting to repair Queen Amidala’s royal starship.

Also classified under another name G8-R3 in Wookieepedia
It had the head of an R5-unit on the body of an R2-unit.

R5-D2

R5-D2 was Wedge Antilles’s Astromech after he reformed Rogue Squadron. It was called “Mynock” because of how noisily it whistled. Prior to the Battle of Thyferra, Wedge became so irritated with the droid’s shrill cry that he had it’s memory wiped. The droid also received an upgrade changing it’s designation to R5-G8. Also goes by the name R5-DL. This unit can be seen at Star Tours.

R5-D4

[There are two story versions to this droid]

1. R5-D4 was abandoned by many owners and switched hands over the course of long, miserable decades. The little droid became quite jealous of the newer, more popular models and made no secret of his spite. One story claims that after being passed up by Owen Lars, R5-D4 was stolen from the Jawa sandcrawler by a mischievous Squib trader named Macemillian-winduart. The trader sold the droid to Alliance historian Voren Na’al, who had the little red unit refurbished. He planted R5-D4 within the government offices of Mos Eisley, where the droid became a valuable source of intelligence data. It also seems that R5-D4 was Jek Porkins’ Astromech droid during the Battle of Yavin, very possibly causing Porkins’ demise.

2. R5-D4 was a part of the low cost Industrial Automaton R5 line, a line plagued with malfunctions. As a result, R5-D4 was owned by many beings and in a constant state of used sale. His programming became jealous of other droids that were capable of serving without failure and had loyal masters.

The droid came into the possession of the Jawas that sold used droids to Owen Lars. Lars at first chose the less expensive R5-D4, but within seconds of purchase, the droid’s motivator malfunctioned. The Jawas let Owen have R2-D2 as a consolation. Conflicting stories claim the source of R5-D4’s malfunction as either sabotage by R2-D2 or self-induced failure to keep R2-D2 and C-3PO together. It is also believed it is actually a combination of the two theories, that R5 willfully allowed R2-D2 to sabatoge his motivator so that R2-D2 and C- 3PO could remain unseperated.

After failing to make a sale, the Squib trader Macemillian-winduarté stole R5-D4 from the Jawas, saving the droid from destruction at the hands of Stormtroopers. R5-D4 then changed hands once again, being sold to Voren Na’al, Rebel Alliance historian and spy. Na’al refurbished the maltreated droid and installed an intelligence gathering software package. Decades of low self-confidence and jealousy were reversed: R5-D4 had a purpose.

R5-D4 was placed as an intelligence gathering source in the government offices of Mos Eisley. He continued to serve in that capacity for many years, providing important and valuable data to the Alliance.

Later, by the time of the Yuuzhan Vong war, wild rumors about R5-D4 being called “Skippy” and possessing Jedi traits had spread, adding fuel to those willing to question the relationship of droids to the Force, despite the fact that these rumors were unlikely to be true.

R5-F7

R5-F7 was the astromech droid for Lieutenant Lepira during the assault on the first Death Star at the Battle of Yavin.

R5-H6

Previously owned by Gardulla the Hutt, R5-H6 was traded to a local smuggler in exchange for a small amount of exotic Quipsa spice. As of the Galactic Civil War, R5-H6 resided on Corellia.

Updated but conflicting info:
This Astromech was an R5-series astromech droid. During the Clone Wars, he resided on Tatooine.
This droid often received a fanon name, R5-H6, but its true designation is currently unknown. Astromech Net gave him this name but this is purely fanon because no single source has given this droid a name.
First appeared in Star Wars Episode II: Attack of the Clones

R5-K6

R5-K6 was the Astromech for Red Leader, Garven Dreis, during the assault on the first Death Star at the Battle of Yavin. He previously served at the Dantooine Rebel base. He was destroyed with Dreis’s X-wing.

R5-M2

R5-M2 was an astromech droid owned by Shawn Valdez, a Rebel Alliance officer stationed at Echo Base. Though normally programmed to plan sublight tactical courses, R5-M2 was utilized during the Battle of Hoth to plot escape routes from the base.

R5-X2

R5-X2 was an astromech droid from the R5-series and belonged to Jabba the Hutt around 32 BBY. Before the Boonta podrace he estimated that Sebulba would win, Gasgano would come in second and Mawhonic would be third. R5-X2 also favored the young slave Anakin Skywalker. Unfortunately for Jabba R5 was wrong and he lost his money on many bets.

Other R5 units
(lacking images / confirmation of accuracy)

Chunky
R5-D8
R5-L4
R5-M1
R5-R5
Sparky
Lando’s R5


R6 SERIES


The R6-series astromech droid was the sixth astromech droid model made by Industrial Automaton under their R-series of droids.

Released soon after the Battle of Endor, the R6 was IA’s attempt at repairing their own reputation after the tremendous failure their R5 series was. To prove that each new series beyond their famous R2 series would not be inferior the designers of the R6 took their time in working out every problem and glitch that plagued the previous model. After years in planning IA released the R6 model with obvious intent to try and recapture the hearts of their consumers.

Conception
The R6 series has many things in common with the older yet still popular R2 series, which goes to show what Industrial Automation’s engineers had in mind. Originally IA planned on releasing their military model that would be made exclusively for Frei-Tek’s E-wing starfighter. But as the E-wing project would take some years before fruition IA felt it an opportune time to reach out to civilian buyers once more. With a winning design and eager consumers IA made sure the R6 would sell by giving their shelf models a somewhat auspicious price tag. It was more expensive then the R5 and R4 series which also had less dynamic goals in mind, but was less expensive then the price of the R2 series upon its original release.

In the time before Grand Admiral Thrawn introduced his campaign to retake the Galaxy in the name of the Galactic Empire, the R6 was selling like QuickSnacks.

Design
A diagram of an R6-series astromech droid.Though the conical-frustrum style of the head was like that of the R5 (which might have given consumers a scare at first glance) rather then the classic dome, that was where the simliarities ended. The R6 had the same kind of “do it all” attitude in its programing and array of gadgets reminiscent of the veteran R2 units, but with updates to key systems such as its sensor package and processor. The standard R6 could store 12 hyperspace jump coordinates in its active memory and had many of the tools and compartments that was found lacking on earlier models that were not intended for serious space service. Though the R6 offered little in the way of innovation it supplied the demand left hollow in loyal IA consumers.

Other R6 units
(lacking images / confirmation of accuracy)

R6-A1 (R6-S1 / Shootfirst)


R7 SERIES


The R7-series astromech droid was an astromech droid produced by Industrial Automaton shortly after the Battle of Endor. The R7-series was designed specifically for use with the New Republic E-wing starfighter.

Development of the R7-series was a corporate secret, occuring during the media blitz that surrounded production of the R6-series astromech droid. The R7-unit featured two fixed, wheeled legs and a third retractable leg, and were heavily shielded against electrical discharges. These droids were primarily used onboard FreiTek E-wing starfighters, and required significant modification to work effectively with the X-wing or Y-wing starfighters. A typical R7-unit could hold up to fifteen hyperspace jump coordinates in its memory banks.

Other R7 units
(lacking images / confirmation of accuracy)

Fiver
R7-T1


R8 SERIES


The R8-series astromech droid was a part of Industrial Automaton’s line of R-series astromech droids. This model was produced during the rule of the New Republic, following the death of Grand Admiral Thrawn.

During development, it was rumored that the R8 unit would be the first Industrial Automaton astro-droid to speak Basic, though the final product communicated in Droidspeak. It came with a full-frequency comm system as standard equipment, making it (along with the venerable R2 astromech unit) a recommended choice for those needing long-range comm interface capabilities.

Other R8 units
(lacking images / confirmation of accuracy)

- None at the moment -


R9 SERIES


The R9-series astromech droid was the latest in Industrial Automaton’s line of R-series astromech droids and the first created during the rule of the Galactic Federation of Free Alliances.

Industrial Automaton’s R9-series was similar to its previous R-series models, but R9 droids were notorious for self-enhancing their preservation routines, even if it meant hiding data from their owners.

Pilots in the New Jedi Order used R9-series astromechs as in-flight navigators and mechanics aboard their StealthX starfighters. Jedi Master Luke Skywalker was accompanied on his mission into the Gorog nest by an R9 unit named Arnie—filling in for the operationally-challenged R2-D2—and Mara Jade Skywalker flew with an R9 astro-droid she referred to as “Nine”.

Jaina Solo flew with an R9 unit named Sneaker in a StealthX when spying on the secret Corellian fleet during the Second Corellian Insurrection.

Other R9 units
(lacking images / confirmation of accuracy)

Arnie
Nine
Neufie
Sneaker


OTHER MODEL SERIES


IT-31

IT-31 was an astromech droid that belonged to Tien Tubb on Nar Shaddaa, but ended up in the possession of Kodin when he took it from Tien’s junk pile. The Jedi Exile secured the droid’s release from Kodin after TT-32 asked her to, realizing that IT-31 was not actually destroyed. IT-31 returned to Tien Tubb.

3C-FD

3C-FD was an astromech droid on the Ebon Hawk when he was under the ownership of the Jedi Exile. It is unknown how he came to be on the Ebon Hawk, but he eventually helped T3-M4 repair the ship and pilot it into the Peragus Mining Facility. 3C-FD on the hull of the Ebon Hawk3C-FD was shot several times and irreparably damaged by a stowaway HK-50 unit prior to the Ebon Hawk’s arrival on Peragus Station and the Exile’s subsequent acquisition of the ship. His remains were later found in a quarantine locker by T3-M4 during his efforts to find a way to unlock the Admin level and facilitate the Exile’s escape. It was presumably destroyed during the destruction of the facility.

T1-N1

T1-N1 was a T1-series utility droid that was owned by Czerka executive Jana Lorso of the Citadel Station branch of the Czerka Corporation in 3,951 BBY.

T3-H8

T3-H8 was a T3-series utility droid sold by Janice Nall on Taris during the Jedi Civil War. She sold it to Revan, but it exploded soon afterward, forcing Janice to give them a full refund. Whether or not Janice Nall fixed him or not did not matter. He was most likely destroyed in the bombardment of Taris.

T3-M4

T3-M4 (also called Teethree for short) was a T3-series utility droid built as a master slicer for crime lord Davik Kang. His life of crime was short-lived, however, after Taris was bombarded by the Sith and Davik was killed. He then accompanied Revan on his search for the Star Forge.

Sometime after defeating Darth Malak, Revan left for the Unknown Regions, leaving T3-M4 with the Ebon Hawk. The droid then used the ship to rescue the Jedi Exile from Darth Sion, and aided her in her quest to stop the Sith Triumvirate.

CB-3D

CB-3D was Flynn Kybo’s astromech droid during the Clone Wars. Attempting to assassinate General Grievous on Belsus, CB-3D came along in case the Trade Federation codes their were planning to use should fail.

KT-10

KT-10 was an astromech droid with a programmed female personality. She was captured by the Great Heep on Biitu, and she and R2-D2 became romantically interested in each other while the two were being held captive in the the Heep’s droid harem. KT-10 was eventually fed to the Heep, had her power drained, and was deactivated. R2-D2 and the Heep’s other astromech droid prisoners rescued her from the junkyard where she had been deposited and gave their power up to reactivate her.

Q9-X2

Q9-X2 was an experimental Q9-series astromech droid. He made countless modifications to himself, including adding a vocoder and repulsorlifts to his body.

Unknown Models
(lacking images / confirmation of accuracy)

10-4
Dancer
Deefour
Mod-3
Poor crippled droid
R-0
RD-RR
Q9-01
Shorty
UV-002


Information and image sources:

http://www.astromech.net

http://www.starwars.jp

The Wookiepedia

Astromech on Wikipedia

New Essential Guide to Droids
(yes! i bought this nice book too!)

Misc
Astromech Facebook group for fans
(Yes, requires one to have a Facebook account)