W123 manual transmission conversion

First, i want to start off and say that im new to the forum. Om617 to ax15 aisin, nv3550, nsg370 jeep manual transmission adapter kit for inline 6 cylinder engine 258cu or 4. Mercedesbenz model, chassis, engine guide 19461996. Either jack the transmission into place or put the trans on your stomach and bench press the transmission into place. I know people are doing this conversion and in my humble opinion, what have you got to lose so why not. Mercedesbenz w123 automatic transmission fluid and filter. Using free service manuals for mercedesbenz w123 and w124. Om617 w123 5 speed manual transmission conversion w123 getrag 5 speeds are 717. The automatic driveshaft has a smaller diameter than a manual driveshaft, so will not fit into a manual gearbox.

Mercedes w123 4speed manual transmission 1232601201 for sale. The mercedesbenz w123 is a range of executive cars produced by german manufacturer mercedesbenz from november 1975 to january 1986. The fsm provides stepbystep procedures for completing maintenance and repair tasks on that make or family of cars. Automatic transmission 123 type 1 piece case fits 8083 mercedes 1987 mercedes 717. After driving my modela for a while with the stock 3speed nonsynchro transmission, it seemed like the car would be much more compatible with modernday traffic if it. W123 introduced many innovations in both safety and styling including abs brakes optional from august, 1980, retractable steering columns and airbags for the driver optional from 1982.

Jan, 2017 mercedes w123 with m117 560 sec v8 engine and 5 speed manual gearbox. I would like to know, can i used the same gearbox in my w123200 petrol. Mates to om616 and om617 diesel motors in the w123 chassis. Om617 to t176, sr4, t4, t5 jeep manual transmission adapter kit for inline 6 cylinder engine 258cu or 4.

Are the w123 coupe and the w126 front window regulator the same sorry, cannot edit the title which i typed incorrectly. The only time i did this conversion myself was when i used a flywheel from a 300d euro 4speed manual model. I am 16 years old and doing my first manual conversion, so i may not know everything about being a mechanic. With 275 horsepower and a wonderful noise, all that was missing from, say, a clk430 was a manual gearbox. Mercedes benz 250 and 280 w123 series haynes workshop. This 1979 240d ends its road in a northern california junkyard. I have a 1983 300d with a automatic transmission and i have found a 1980 300d euro model with a manual transmission in a junkyard. It doesnt get much more jalop than this brown w123 diesel 4spd benz. Or even better if the donor could use the stock w123 manual shift setup tied to the donor transmission via stock linkages. Using free service manuals for mercedesbenz w123 and w124 models whenever an automotive manufacturer produces a vehicle, they publish what is called a factory service manual fsm. Download w123 manual transmission conversion printable file.

How much would an automatic to manual transmission swap. One enterprising tech replaced an automatic transmission so he could row his own. Up for no reserve auction i have a 1982 300td w123 sedan with a 5 cylinder 3. Compared to the previous fivespeed manual transmission, engineers at mercedes were able to reduce shift forces by up to 25 percent by using more efficient synchromesh units.

Mercedes w115 automatic to manual swap ffa world of running. Identification of a mercedes benz transmission, or gearbox as they are also referred to, can be accomplished by following these guidelines. I really want the mechanical simplicity of the 240d the manual transmission, windows, sunroof, climate control, etc. It produced a heck of a car that benz shouldve built. There are several versions of automatic transmissions used in the w123. I know that its possible to put in a nonturbo om617, but what special considerations would need to be made to do an engine swap. Oct 07, 2015 1986 mercedesbenz 300e 5speed manual revisit by paul october 7, 2015 october 7, 2015 mercedes benz, revisit its rare that you see a mercedesbenz 300e with the 5speed manual gearbox a shortlived option in the us market. This is a parts list for an auto to manual conversion for a 9600 civic.

A diesel w123 mercedesbenz sedan, perhaps the most excruciatingly sensible car of its era. Mercedes 300d auto to manual swap mercedesbenz forum. Mix in the relatively rare manual transmission versions and the availability and tweakability of the turbodiesel versions, which have had their proponents for decades, and the coupes and wagons stand out as the oddson favorites for w123 collectibles in the future. Manual transmission conversion kit for w123 om616om617 diesels. A tale of two mercedes, one was banned from the usa. Sep 07, 2016 i converted my 300sd to a manual transmission. Sell used 1982 mercedes 240td w123 diesel wagon with 4. The w123 chassis covers 240ds, 300ds, 300tds, 280es, and several other models of mercedes coupes, sedans and wagons from model years 1977 to 1985. We have rebuilt and good used transmissions, auto clutch plates, flex plates, transmission mounts, transmission gasket sets, transmission pans and pan gaskets, filters, modulator valves, detent cables, pump assemblies, cooling hoses, b1 and b2 servo pistons and and a wide selection of other transmission parts. Or even better if the donor could use the stock w123 manual shift setup tied. Oe remanufactured mercedes 5speed manual transmission. Please advice me if i should go ahead with the exhange. Typically, youll want to change the fluid every 50,000 miles or so along with the filter in the transmission.

The new fivespeed manual gearbox was introduced in february 1982 and was available in all models except. It doesnt get much more jalop than this brown w123 diesel 4. It depends on what vehicle and what manual transmission. Om617 to ba105 puegot or early ax15 aisin jeep manual transmission adapter kit for inline 6 cylinder engine 258cu or 4. I want to convert my manual transmission 300d to an automatic transmission. He says, i had a 4 speed manual transmission stored in my garage waiting for the right car someday and this was it.

It is a used item with the age appropriate condition. The fsm provides stepbystep procedures for completing maintenance and. If i have the driveshaft, linkage, flywheel and pedals, will this be a direct bolt on swap or will i have to make some. I had the transmission rebuilt and resealed then realized that the shift rods were the long 240d manual style so i fabricated the shorter 300d shift rods to convert my car to a manual. Mercedesbenz 230240280300 19771985 w123 transmission. My main interest is reducing rpms at highway cruise speed. How to identify the mercedes benz transmission model you have from a stamped code on transmission casing.

The engine is connected to a turbo 350 threespeed transmission after destroying three different turbo 700 transmissions. Dropping an om617 turbo engine into a 240d or 240td can. The fluid assists in the lubrication and heat disputation of the transmission, and even though it is in a closed environment, the fluid can become old and contaminated. Oe mercedes 4speed manual transmission and a conversion kit, for converting w123 automatic transmission to manual. The w123 chassis was actually designed to accept a mercedes v8 m117 series engine, but only with an automatic transmission, and frankly. Mercedes w123, 300d,dt,cd, td280e, cete,manual 4 speed. Mercedes 300sd turbodiesel manual transmission conversion. Mercedes manual transmission conversion kit for w123 om616. Whether youre looking for a manual transmission as an oem replacement part or looking to add a performance shifter to your speed machine, summit racing has all of the 2, 4, 5 and 6speed manual trannys you need to keep charging to the front of the pack. Manual transmission engine to trans adapter platefloor shifter and bearinglinkage rods. I want to change the manual transmission of my mercedes benz 300d w123 to an auto transmission. Customized 1980 mercedesbenz 300d 4speed for sale on bat. Benching the transmission into place is far more accurate and much more effective.

If you have a hooligan license anything goes, right. As i understand, this kit will fit w115 and w123 diesel models with the om616 om617 normally aspirated engines 240d 4speed manual transmission entire was removed from a 78. Hi larry, it has been a while since i have heard the term hooligan. One such swap involves installing a richmond four, five, or even sixspeed manual transmission. The ls3 was upgraded by walkinshaw performance to produce a reliable 500 horsepower and 600 nm 442 lbft of torque. Jeep adapters mercedes diesel om617 jeep conversion. Hello guys, ive been reading and looking at the mercedes benz 240d w123 series. How to convert auto to manual transmission it still runs. This is the older, cast iron housing from a 1978 w123 240d. Locate a code that is stamped on the exterior of the transmission casing. I was talking to a friend and shop owner about possible 6 speed swaps for better fuel consumption as well as highway cruising comfort.

My grarage owner has a mercedes benz 240d w123 with auto transmission. The automatic worked as designed but i enjoy a manual transmission and decided to undertake the project. I found one in a 1982 280ce and took all the related parts. Om617 w123 5 speed manual transmission conversion have been reading various posts on several boards and gotten some conflicting info. There are several versions of automatic transmissions used in the w123 but they are all 722 transmissions. The mercedesbenz w123 is a range of executive cars produced by german manufacturer. I figured that i would make my first post a good one. In the 1990s, mercedesbenz built a fantastic engine in the 4. Does anyone know of a list being assembled of the various 5 speeds available that will bolt up to the om617 in the w123. In february all european models except the 300td were offered with an optional 5speed manual transmission. You will notice that my description is a lengthy novel, but in my years on ebay and 250 plus positive transactions i have sold 2025 cars and have never had anyone show up and say it was not as described. It doesnt get much more jalop than this brown w123 diesel. Home om617616 adapter kits chevy gm adapters chevy gm transmission adapters are as follows.

Thanks to my boys helping me i was able to get the tired old 722. Pulled from an w460 300gd in good working condition when pulled. Chevrolet transmission swap guide chevy high performance. After driving my modela for a while with the stock 3speed nonsynchro transmission, it seemed like the car would be much more compatible with modernday traffic if it had an overdrive gear. W115 or w123 300d modifications manual transmission 5 or 4. Eclass w114 w115 w123 w124 25 cclass w201 w202 30 4wd w460 w461 w463 32. Hello, i own a s210 250 turbo diesel and it has manual 5 speed transmission and am considering a 6 speed swap. Compared to the previous fivespeed manual transmission, engineers at mercedes were able to reduce shift forces by up to 25 percent by using more efficient synchromesh units featuring multicone synchromeshing. Note that this transmission is setup for an electronic speedometer and thus will need conversion to work with a manual speedometer. Jan 10, 2018 one enterprising tech replaced an automatic transmission so he could row his own. W56 adapter kits contain adapter plate redrilled stock toyota flywheelcrank adapter hardware customer supplies toyota starter toyota cl.

Manual transmission conversion kit for w123 om616om617 diesels mercedes automatic transmission 722. Since neither has a manual transmission, i have a dilemma, but thankfully i do have a 1982 240d car i can take a 4speed out of and swap it with. The sixth gear is designed as a genuine drive gear in which the cars reach their top speed. There is some info about the earlier years, but i left out some stuff because i was not certain about it. This is a great candidate to convert your automatic to a manual. Then a close match on paper anyway would help choose a logical source for the conversion. Ive read that some came with a four speed manual while most of them came equipped with the automatic transmission that was very problematic and complex due to the vacuum control parts. A company in muncie indiana, called auto restorations makes a kit for installing a borgwarner t5 transmission in a modela.

The richmond gearboxes are unique in that they can be ordered with a variety of gear ratios to fit. In general, on a rear wheel drive vehicle, swapping out the auto for a stock style manual isnt terrible. Auto to manual conversion parts list honda d series forum. Mercedes benz 5spkit diesel automatic manual transmission. With the transmission firmly in place, undo the midsection of the driveshaft.

Ive got the rack limiter removal mod and 18psi boost and. One of the less common maintenance tasks performed on a car is changing the transmission fluid. In practice, the gearshift is precise and light with short shift travel. Your manual transmission can take a heck of a beating over the years and it is one of the most neglected service areas on a car.