Jeep Model Years Engine Type Transmission Model Forward Gears Ratios (including reverse) Identifying Features Cherokee (fullsize) ‘74-79 232ci-I-6, 258ci I-6, 360ci V-8, and 401ci V-8 (‘74-78) Borg-Warner T15 Three First: 2.99:1; Second: 1.83:1; Thrid 1:1; Reverse: 2.99:1 95/8 inch long case, top shifter and 11/8 inch input shaft Cherokee (full size) ‘74-79 232ci-I-6, 258ci I-6, 360ci V-8, and 401ci V-8 (‘74-78) Borg-Warner T18 Four First: 6.32:1; Second: 3.09:1; Thrid: 1.68:1; Fourth: 1:1; Reverse: 7.44:1 117/8 inch long case, top shifter and 11/8 inch input shaft Cherokee (downsize) ‘84-86 2.8L V-6 Borg-Warner T4 and T5 Four and Five First: 4.03:1; Second: 2.37:1; Third: 1.5:1; Fourth: 1:1; fifth: 0.76:1; Reverse: 3.76:1 117/8 inch long case, top shifter and 11/8 inch input shaft   CJ-5 and CJ-6 ‘55-62 F-head 134ci I-4 Borg-Warner T90 A-1 Three First: 2.79:1; Second: 1.55:1; Third: 1:1; Reverse: 3.79:1 8 inch long case, top or side shifter, and 15/16 inch diameter input shaft CJ-5 and CJ-6 ‘60-71 F-head 134ci I-4 Borg-Warner T98 (special order) Four First: 6.39:1; Second: 3.09:1; Third: 1.68:1; Fourth: 1:1; Reverse: 7.82:1 117/8 inch long case, top shifter, 15/16 inch diameter input gear, and adapter on the front and rear CJ-5 and CJ-6 ‘63-71 F-head 134ci I-4 Borg-Warner T90 C Three First: 3.33:1; Second: 1.55:1; Third: 1:1; Reverse: 4.53:1 8 inch long case, top shifter, and 11/8 inch diameter input gear CJ-5 and CJ-6 ‘66-67½ Buick 255ci V-6 Borg-Warner T86 Three First: 2.79:1; Second: 1.68:1; Third: 1:1; Reverse: 3.79:1 8 inch long case, top shifter, and 11/8 inch diameter input gear CJ-5 and CJ-6 ‘66-71 Buick 255ci V-6 Borg-Warner T18 (special order) Four First: 4.02:1; Second: 2.41:1; Third: 1.41:1; Fourth: 1:1; Reverse: 4.73:1 117/8 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 ‘67½-71 Buick 255ci V-6 Borg-Warner T14 Three First: 3.10:1; Second: 1.61:1; Third: 1:1; Reverse: 3.10:1 83/4 inch long case, top shifter, 11/8 inch diamter input gear, two adapters at front, and on at rear CJ-5 and CJ-6 ‘72-75 232ci I-6 and 258ci I-6 Borg-Warner T14 Three First: 3.10:1; Second: 1.61:1; Third: 1:1; Reverse: 3.10:1 8¾ in long case, top shifter, and 11/8 inch diameter input gear CJ-5 and CJ-6 ‘72-75 232ci I-6, 258ci I-6 and 304ci V-8 Borg-Warner T15 (heavy-duty option with I-6; standard with the 304ci V-8) Three First: 2.99:1; Second: 1.83:1; Third: 1:1; Reverse: 2.99:1 95/8 inch long case, top shifter, and 11/8 inch diameter input gear CJ-5 and CJ-6 ‘72-75 232ci I-6 and 258ci I-6 Borg-Warner T18 (four speed option) Four First: 4.02:1; Second: 2.41:1; Third: 1.41:1; Fourth: 1:1; Reverse: 4.73:1 117/8 inch long case, top shifter, 11/8 inch diameter input gear, and adapters front and rear CJ-5 and CJ-7 ‘76 232ci I-6 and 258ci I-6 Borg-Warner T18 (option) Four First: 4.02:1; Second: 2.41:1; Third: 1.41:1; Fourth: 1:1; Reverse: 4.73:1 117/8 inch long case, top shifter, 11/16 inch diameter input gear, and adapter on at the rear CJ-5 and CJ-7 ‘76-79 232ci I-6, 258ci I-6, and 304ci V-8 Tremec T150 Three First: 2.99:1; Second: 1.75:1; Third: 1:1; Reverse: 3.17:1 9¼ inch long cast iron case, top shifter, and 11/16 inch diameter input gear CJ-5 and CJ-7 ‘80-81½ 304ci V-8 Tremec T176 Four First: 3.82:1; Second: 2.29:1; Third: 1.46:1; Fourth: 1:1; Reverse: 3.82:1 10¼ inch long aluminum case and top shifter on transmission cover CJ-5, CJ-7 and CJ-8 ‘80-84 151ci I-4 and 258ci I-6 Borg-Warner SR-4 Four First: 3.52:1; Second: 2.72:1; Third: 1.46:1; Fourth: 1:1; Reverse: 3.52:1 9¼ inch long aluminum case and top shifter in the adapter to transfer case CJ-5, CJ-7 and CJ-8 ‘82-86 258ci I-6 Borg-Warner T5 Five First: 4.03:1; Second: 2.37:1; Third: 1.5:1; Fourth: 1:1; Fifth: 0.86:1; Reverse: 3.76:1 9¼ inch long aluminum case and top shifter in the adapter to transfer case CJ-5, CJ-7 and CJ-8 ‘84-86 151ci I-4 and 258ci I-6 Borg-Warner T4 Four First: 4.03:1; Second: 2.37:1; Third: 1.5:1; Fourth: 1:1; Reverse: 3.76:1 9¼ inch long aluminum case and top shifter in the adapter to transfer case   Jeepster ‘66-71 F-head 134ci I-4 Borg-Warner T86 Three First: 2.79:1; Second: 1.69:1; Third: 1:1; Reverse: 3.79:1 8 inch long case, top or side shifter, and 15/16 inch diameter input gear Jeepster diameter ‘66-67½ Buick 255ci V-6 Borg-Warner T86 Three First: 2.79:1; Second: 1.55:1; Third: 1:1; Reverse: 3.79:1 8 inch long case, top shifter, and 11/8 inch diameter input gear Jeepster ‘67½-71 Buick 255ci V-6 Borg-Warner T14 Three First: 3.10:1; Second: 1.61:1; Third: 1:1; Reverse: 3.10:1 8¾ inch long case, top shifter, and 11/8 inch diameter input gear Jeepster ‘72-73 232ci I-6 and 258ci I-6 Borg-Warner T14 Three First: 3.10:1; Second: 1.61:1; Third: 1:1; Reverse: 3.10:1 8¾ inch long case, top shifter, and 11/8 inch diameter input gear Jeepster ‘72-73 232ci I-6 and 258ci I-6, and 340ci V-8 Borg-Warner T15 (standard with V-8, optional with I-6) Three First: 2.99:1; Second: 1.83:1; Third: 1:1; Reverse: 2.99:1 95/8 inch long case, top shifter, and 11/8 inch diameter input gear Jeepster ‘72-73 232ci I-6 and 258ci I-6 Borg-Warner T18 (option) Four First: 4.02:1; Second: 2.41:1; Third: 1.41:1; Fourth: 1:1; Reverse: 4.73:1 117/8 inch long case, top shifter, and 11/8 inch diameter input gear, and adapters front and rear   TJ ‘97-98 4.0L I-6 AX15 Five First: 3.83:1; Second: 2.33:1; Third: 1.44:1; Fourth: 1:1; Fifth: 0.79:1; Reverse: 4.76:1 Aluminum case and internal hydraulic throwout bearing TJ ‘97-98 2.5L I-4 AX4 Five First: 3.93:1; Second: 2.33:1; Third: 1.44:1; Fourth: 1:1; Fifth: 0.83:1; Reverse: 4.79:1 Aluminum case and internal hydraulic throwout bearing   Wagoneer (fullsize) ‘63-65 230ci OHC-6 Borg-Warner T90J Three First: 2.79:1; Second: 1.55:1; Third: 1:1; Reverse: 3.79:1 8 inch long case and top or side shifter Wagoneer (fullsize) ‘63-65 230ci OHC-6 Borg-Warner T98 (option) Four First: 6.39:1; Second: 3.09:1; Third: 1.68:1; Fourth: 1:1; Reverse: 7.44:1 117/8 inch long case, top shifter, and adapters front and rear Wagoneer (fullsize) ‘66-68 232ci I-6 Borg-Warner T14 Three First: 3.10:1 or 2.90:1; Second: 1.61:1 or 1.83:1; Third: 1:1; Reverse: 3.10:1 or 2.90:1 Top or side shifter Wagoneer (fullsize) ‘66-68 327ci Vigilante (Nash) V-8 Borg-Warner T85 Three First: 2.97:1 or 2.49:1; Second: 1.59:1; Third: 1:1; Reverse: 3.15:1 Side Shifter Wagoneer (fullsize) ‘66-68 232ci I-6 or 327ci Vigilante (Nash) V-8 Borg-Warner T18 (option) Four First: 6.39:1; Second: 3.09:1; Third: 1.68:1; Fourth: 1:1; Reverse: 7.43:1 Top or side shifter Wagoneer (fullsize) ‘68-71 232ci I-6 or buick 350ci V-8 Borg-Warner T14 Three First: 3.10:1 or 2.99:1; Second: 161:1 or 1.83:1; Third: 1:1; Reverse: 3.10:1 or 2.90:1 Top or side shifter Wagoneer (fullsize) ‘68-71 232ci I-6 or buick 350ci V-8 Borg-Warner T18 (option) Four First: 6.32:1; Second: 3.09:1; Third: 1.68:1; Fourth: 1:1; Reverse: 7.43:1 117/8 inch long case, top shifter, adapters front and rear, and V-8 and I-6 versions differ Wagoneer (fullsize) ‘72-79 232ci I-6, 258ci i-6, amc 360CI v-8 AND amc 401CI v-8 (‘74-79) Borg-Warner T15 Three First: 2.99:1; Second: 1.83:1; Third: 1:1; Reverse: 2.99:1 Top or side shifter and adapter on the front with 360ci V-8 option Wagoneer (fullsize) ‘72-79 232ci I-6, 258ci i-6, amc 360CI v-8 AND amc 401CI v-8 (‘74-79) Borg-Warner T18 Four First: 6.32:1; Second: 3.09:1; Third: 1.698:1; Fourth: 1:1; Reverse: 7.44:1 Top shifter, adapters front and rear, and V-8 and I-6 versions differ   YJ ‘87-89 2.4L I-4 Peugeot BA10/5 Five First: 3.39:1; Second: 2.33:1; Third: 1.44:1; Fourth: 1:1; Fifth: 0.79:1; Reverse: 3.39:1 Two piece clamshell case and five bolts to bellhousing YJ ‘87-89 2.4L I-4 and 4.0L six cylinder AX15-ASIN Five First: 3.83:1; Second: 2.33:1; Third: 1.44:1; Fourth: 1:1; Fifth: 0.79:1; Reverse: 4.76:1 11/8 inch 10 spline input shaft Tranny Identification

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