Borg Warner T18 Jeep Transmission

Lowest prices on the Borg Warner T-18 Transmission. The T-18 is a heavy duty four speed with unsynchronized first gear. These transmissions were manufactured by Borg Warner and they have a cast iron case. The casting number on the drivers side of the T-18 is T-18 or 13-01. The T-18 has a 1 1/8" 10 spline input shaft and a 1 3/8" 6 spline output.

T-18s used after 1978 have reverse down by fourth and earlier T-18s have reverse up by third. The shape of the case is also different with the '79+ cases for the different reverse configuration. The later T-18s have a flat side rather than the bulging side of the earlier T-18. Both versions have a PTO port on the drivers side.

Gear Ratios:

Transmission	1st	2nd	3rd	4th	5th	REV
T-18	4.02	2.41	1.41	1.00		4.73
T-18A	6.32	3.09	1.69	1.00		7.44

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