The Borg-Warner T-90 is a three-speed manual gearbox manufactured by 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. It is an improved version of the T-84 used in WWII Willys MB and Ford GPW military Jeeps. It was constructed with an iron case in both top-shift and side-shift variants. The gears are spur cut with only 2nd and 3rd gears synchronized.
T-90A The T-90A was used in Jeep models equipped with a four-cylinder engine.
Applications: 1945-49 CJ-2A 1949-53 CJ-3A 1953-62 CJ-3B 1946-50 463 Wagon 1947-50 2T/4T 1950-62 473/475 4x4 1950-62 473/475-4WD 1956-65 FC-150 1957-65 FC-170 1961-65 FJ-3/3A
+Ratios 1st 2.798 2nd 1.551 3rd 1.000 Reverse 3.798
T-90C The T-90C is essentially a T-90A with a 3.339:1 first gear.
Applications: 1963-68 CJ-3B 1963-71 CJ-5 1963-71 CJ-6 1963-65 475-4WD Truck 1963-65 475 4x4 Wagon
+Ratios 1st 3.339 2nd 1.851 3rd 1.000 Reverse 4.531
T-90J The T-90J variant was used in six-cylinder models.
Applications: 1952-55 685 Wagon 1954-62 6-226 Truck 1954-62 6-226 Wagon 1957-65 FC-170 1963-65 6-230 Truck 1963-65 6-230 Wagon 1963- Gladiator 1963- Wagoneer
References
External links T-90 Rebuild Guide