Borg-Warner T-90. The Borg-Warner T-90 is a three-speed manual gearbox from Borg-Warner.
It was used in most Willys and Kaiser-Jeep models from 1945 to 1971, as well as a number of International Harvester models. T-90A[edit] The T-90A was used in Jeep models equipped with a four-cylinder engine. Applications: 1945-49 CJ-2A1949-53 CJ-3A1953-62 CJ-3B1946-50 463 Wagon1947-50 2T/4T1950-62 473/475 4x41950-62 473/475-4WD1956-65 FC-1501961-65 FJ-3/3A T-90C[edit] The T-90C is essentially a T-90A with a 3.339:1 first gear.
The Borg-Warner T90 Transmission - Novak Conversions. The Borg-Warner T90 transmission was one of the most common transmissions found in 1946 to 1971 Jeeps.
Because of its long production span, it is nearly legendary. It is a good transmission when well maintained and has often been adapted to V8, V6 and I4 power. The T90 was the improved progeny of the T84, of military MB & GPW fame. The T90 was the standard three-speed as found in CJ Universals, Utility Trucks & Wagons, J Series and Forward Control Trucks. Features The T90 is a top loaded, top shifting or side shifting transmission. The T90 is fully synchronized in the second and third gears. Identification The T90 transmission is 9" long and features a cast iron top cover that is retained by six bolts and a main case of cast iron. All 4wd T90 transmissions have a 1-3/8" x 6 spline output shaft for mounting the transfer case input gear.
Jeeps also had a T86 transmission that appears similar to the T90. There are three major versions of the T90 to differentiate. T90-D18 Rebuild. Separating the D18 from the T90- help! T90 Rebuild Guide. Last Updated November 12, 2005 You can find the rest of my web pages here T-90 Rebuild Guide The T-90 Rebuild Video can now be purchased here Sorry, if you wanted the Model 18 Transfercase Rebuild Guide you will need to go to: Here In my search for detailed instructions for rebuilding a T-90 I found there was little in the way of helpful information available.
I did find a local transmission guru to answer some of my hardest questions. As other people use these instructions and provide me with feedback I will post their comments. I can be reached for comments at rick48cj2a@satx.rr.com Dr. Merl - My T90 rebuild is finally done, and I must say that it went along much easier than I had expected.
As for my original problem... T-90 shifts easily into R & 1st, never grinds at all even while rolling. SBart79631 wrote: I would suggest that every time the tranny is removed or rebuilt, that the bronze bushing in the center of the flywheel be replaced. I agree with Steve on this. 1a. 2b. 2c. 2d. 2e. The Jeep T90.