The T-14 is a 3 speed transmission with a cast iron case. I has a casting number of T14A or 1302 and a 1 1/8" 10 spline input shaft. The I6 T-14 has a 1 3/8" 6 spline output while the V6 T-14 has a 1 3/16" 10 spline output.
The Borg-Warner T150 transmission was the three-speed transmission found in 1976 to 1979 Jeeps. It is a good transmission when well maintained. Rated at medium-duty, it is regarded as the second strongest of all the Jeep three-speeds, second to the Jeep T15.
The Tremec T176 transmission was the optional four-speed transmission found in 1980 to 1986 Jeep CJ models. It is a good transmission when well maintained and is rated medium-duty.
The Borg Warner SR4 transmission was a standard shift, four-speed transmission found in 1980 to 1981 Jeep CJ models. It is a light-duty transmission found behind the 151 Iron Duke I4 and the AMC 258 I6.