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 Jeep T150 was factory-married only
to the Jeep Dana Spicer Model 20 transfer case. Typical casting numbers found on the T150 are 2603xxx on the top and each side.