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TRANSMISSION GUIDE

 
Jeep Model

YearsEngine TypeTransmission ModelForward GearsRatios (including reverse)Identifying Features
Cherokee (fullsize)‘74-79232ci-I-6, 258ci I-6, 360ci V-8, and 401ci V-8 (‘74-78)Borg-Warner T15ThreeFirst: 2.99:1; Second: 1.83:1; Thrid 1:1; Reverse: 2.99:195/8 inch long case, top shifter and 11/8 inch input shaft
Cherokee (full size)‘74-79232ci-I-6, 258ci I-6, 360ci V-8, and 401ci V-8 (‘74-78)Borg-Warner T18FourFirst: 6.32:1; Second: 3.09:1; Thrid: 1.68:1; Fourth: 1:1; Reverse: 7.44:1117/8 inch long case, top shifter and 11/8 inch input shaft
Cherokee (downsize)‘84-862.8L V-6Borg-Warner T4 and T5Four and FiveFirst: 4.03:1; Second: 2.37:1; Third: 1.5:1; Fourth: 1:1; fifth: 0.76:1; Reverse: 3.76:1117/8 inch long case, top shifter and 11/8 inch input shaft

 

CJ-5 and CJ-6‘55-62F-head 134ci I-4Borg-Warner T90 A-1ThreeFirst: 2.79:1; Second: 1.55:1; Third: 1:1; Reverse: 3.79:18 inch long case, top or side shifter, and 15/16 inch diameter input shaft
CJ-5 and CJ-6‘60-71F-head 134ci I-4Borg-Warner T98 (special order)FourFirst: 6.39:1; Second: 3.09:1; Third: 1.68:1; Fourth: 1:1; Reverse: 7.82:1117/8 inch long case, top shifter, 15/16 inch diameter input gear, and adapter on the front and rear
CJ-5 and CJ-6‘63-71F-head 134ci I-4Borg-Warner T90 CThreeFirst: 3.33:1; Second: 1.55:1; Third: 1:1; Reverse: 4.53:18 inch long case, top shifter, and 11/8 inch diameter input gear
CJ-5 and CJ-6‘66-67½Buick 255ci V-6Borg-Warner T86ThreeFirst: 2.79:1; Second: 1.68:1; Third: 1:1; Reverse: 3.79:18 inch long case, top shifter, and 11/8 inch diameter input gear
CJ-5 and CJ-6‘66-71Buick 255ci V-6Borg-Warner T18 (special order)FourFirst: 4.02:1; Second: 2.41:1; Third: 1.41:1; Fourth: 1:1; Reverse: 4.73:1117/8 inch long case, top shifter, and 11/8 inch diameter input gear, two adapters at front, and on at rear
CJ-5 and CJ-6‘67½-71Buick 255ci V-6Borg-Warner T14ThreeFirst: 3.10:1; Second: 1.61:1; Third: 1:1; Reverse: 3.10:183/4 inch long case, top shifter, 11/8 inch diamter input gear, two adapters at front, and on at rear
CJ-5 and CJ-6‘72-75232ci I-6 and 258ci I-6Borg-Warner T14ThreeFirst: 3.10:1; Second: 1.61:1; Third: 1:1; Reverse: 3.10:18¾ in long case, top shifter, and 11/8 inch diameter input gear
CJ-5 and CJ-6‘72-75232ci I-6, 258ci I-6 and 304ci V-8Borg-Warner T15 (heavy-duty option with I-6; standard with the 304ci V-8)ThreeFirst: 2.99:1; Second: 1.83:1; Third: 1:1; Reverse: 2.99:195/8 inch long case, top shifter, and 11/8 inch diameter input gear
CJ-5 and CJ-6‘72-75232ci I-6 and 258ci I-6Borg-Warner T18 (four speed option)FourFirst: 4.02:1; Second: 2.41:1; Third: 1.41:1; Fourth: 1:1; Reverse: 4.73:1117/8 inch long case, top shifter, 11/8 inch diameter input gear, and adapters front and rear
CJ-5 and CJ-7‘76232ci I-6 and 258ci I-6Borg-Warner T18 (option)FourFirst: 4.02:1; Second: 2.41:1; Third: 1.41:1; Fourth: 1:1; Reverse: 4.73:1117/8 inch long case, top shifter, 11/16 inch diameter input gear, and adapter on at the rear
CJ-5 and CJ-7‘76-79232ci I-6, 258ci I-6, and 304ci V-8Tremec T150ThreeFirst: 2.99:1; Second: 1.75:1; Third: 1:1; Reverse: 3.17:19¼ inch long cast iron case, top shifter, and 11/16 inch diameter input gear
CJ-5 and CJ-7‘80-81½304ci V-8Tremec T176FourFirst: 3.82:1; Second: 2.29:1; Third: 1.46:1; Fourth: 1:1; Reverse: 3.82:110¼ inch long aluminum case and top shifter on transmission cover
CJ-5, CJ-7 and CJ-8‘80-84151ci I-4 and 258ci I-6Borg-Warner SR-4FourFirst: 3.52:1; Second: 2.72:1; Third: 1.46:1; Fourth: 1:1; Reverse: 3.52:19¼ inch long aluminum case and top shifter in the adapter to transfer case
CJ-5, CJ-7 and CJ-8‘82-86258ci I-6Borg-Warner T5FiveFirst: 4.03:1; Second: 2.37:1; Third: 1.5:1; Fourth: 1:1; Fifth: 0.86:1; Reverse: 3.76:19¼ inch long aluminum case and top shifter in the adapter to transfer case
CJ-5, CJ-7 and CJ-8‘84-86151ci I-4 and 258ci I-6Borg-Warner T4FourFirst: 4.03:1; Second: 2.37:1; Third: 1.5:1; Fourth: 1:1; Reverse: 3.76:19¼ inch long aluminum case and top shifter in the adapter to transfer case

 

Jeepster‘66-71F-head 134ci I-4Borg-Warner T86ThreeFirst: 2.79:1; Second: 1.69:1; Third: 1:1; Reverse: 3.79:18 inch long case, top or side shifter, and 15/16 inch diameter input gear
Jeepster diameter‘66-67½Buick 255ci V-6Borg-Warner T86ThreeFirst: 2.79:1; Second: 1.55:1; Third: 1:1; Reverse: 3.79:18 inch long case, top shifter, and 11/8 inch diameter input gear
Jeepster‘67½-71Buick 255ci V-6Borg-Warner T14ThreeFirst: 3.10:1; Second: 1.61:1; Third: 1:1; Reverse: 3.10:18¾ inch long case, top shifter, and 11/8 inch diameter input gear
Jeepster‘72-73232ci I-6 and 258ci I-6Borg-Warner T14ThreeFirst: 3.10:1; Second: 1.61:1; Third: 1:1; Reverse: 3.10:18¾ inch long case, top shifter, and 11/8 inch diameter input gear
Jeepster‘72-73232ci I-6 and 258ci I-6, and 340ci V-8Borg-Warner T15 (standard with V-8, optional with I-6)ThreeFirst: 2.99:1; Second: 1.83:1; Third: 1:1; Reverse: 2.99:195/8 inch long case, top shifter, and 11/8 inch diameter input gear
Jeepster‘72-73232ci I-6 and 258ci I-6Borg-Warner T18 (option)FourFirst: 4.02:1; Second: 2.41:1; Third: 1.41:1; Fourth: 1:1; Reverse: 4.73:1117/8 inch long case, top shifter, and 11/8 inch diameter input gear, and adapters front and rear

 

TJ‘97-984.0L I-6AX15FiveFirst: 3.83:1; Second: 2.33:1; Third: 1.44:1; Fourth: 1:1; Fifth: 0.79:1; Reverse: 4.76:1Aluminum case and internal hydraulic throwout bearing
TJ‘97-982.5L I-4AX4FiveFirst: 3.93:1; Second: 2.33:1; Third: 1.44:1; Fourth: 1:1; Fifth: 0.83:1; Reverse: 4.79:1Aluminum case and internal hydraulic throwout bearing

 

Wagoneer (fullsize)‘63-65230ci OHC-6Borg-Warner T90JThreeFirst: 2.79:1; Second: 1.55:1; Third: 1:1; Reverse: 3.79:18 inch long case and top or side shifter
Wagoneer (fullsize)‘63-65230ci OHC-6Borg-Warner T98 (option)FourFirst: 6.39:1; Second: 3.09:1; Third: 1.68:1; Fourth: 1:1; Reverse: 7.44:1117/8 inch long case, top shifter, and adapters front and rear
Wagoneer (fullsize)‘66-68232ci I-6Borg-Warner T14ThreeFirst: 3.10:1 or 2.90:1; Second: 1.61:1 or 1.83:1; Third: 1:1; Reverse: 3.10:1 or 2.90:1Top or side shifter
Wagoneer (fullsize)‘66-68327ci Vigilante (Nash) V-8Borg-Warner T85ThreeFirst: 2.97:1 or 2.49:1; Second: 1.59:1; Third: 1:1; Reverse: 3.15:1Side Shifter
Wagoneer (fullsize)‘66-68232ci I-6 or 327ci Vigilante (Nash) V-8Borg-Warner T18 (option)FourFirst: 6.39:1; Second: 3.09:1; Third: 1.68:1; Fourth: 1:1; Reverse: 7.43:1Top or side shifter
Wagoneer (fullsize)‘68-71232ci I-6 or buick 350ci V-8Borg-Warner T14ThreeFirst: 3.10:1 or 2.99:1; Second: 161:1 or 1.83:1; Third: 1:1; Reverse: 3.10:1 or 2.90:1Top or side shifter
Wagoneer (fullsize)‘68-71232ci I-6 or buick 350ci V-8Borg-Warner T18 (option)FourFirst: 6.32:1; Second: 3.09:1; Third: 1.68:1; Fourth: 1:1; Reverse: 7.43:1117/8 inch long case, top shifter, adapters front and rear, and V-8 and I-6 versions differ
Wagoneer (fullsize)‘72-79232ci I-6, 258ci i-6, amc 360CI v-8 AND amc 401CI v-8 (‘74-79)Borg-Warner T15ThreeFirst: 2.99:1; Second: 1.83:1; Third: 1:1; Reverse: 2.99:1Top or side shifter and adapter on the front with 360ci V-8 option
Wagoneer (fullsize)‘72-79232ci I-6, 258ci i-6, amc 360CI v-8 AND amc 401CI v-8 (‘74-79)Borg-Warner T18FourFirst: 6.32:1; Second: 3.09:1; Third: 1.698:1; Fourth: 1:1; Reverse: 7.44:1Top shifter, adapters front and rear, and V-8 and I-6 versions differ

 

YJ‘87-892.4L I-4Peugeot BA10/5FiveFirst: 3.39:1; Second: 2.33:1; Third: 1.44:1; Fourth: 1:1; Fifth: 0.79:1; Reverse: 3.39:1Two piece clamshell case and five bolts to bellhousing
YJ‘87-892.4L I-4 and 4.0L six cylinderAX15-ASINFiveFirst: 3.83:1; Second: 2.33:1; Third: 1.44:1; Fourth: 1:1; Fifth: 0.79:1; Reverse: 4.76:111/8 inch 10 spline input shaft

 

Tranny Identification
Transmission ID Chart

 

The preceding data was taken from "Transmission Guide" an article found in the November 1999 issue of Jp Magazine.

 


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