bluejeep_large.jpgWhen you're thinking about a transmission Conversion

If you are looking for information on what gear ratios you Jeep transmission has in it or looking to do a conversion or even just some RPM calculations the following table should provide the basic information you need. To locate our full line of remanufactured manual transmissions, in addition we offer a full line of overhaul/rebuild kits , syncros, gears and shafts that you might need.

Jeep Model Year Engine Type Transmission Model & Parts List
Forward Gears Ratios

Identifying Features

Cherokee Full Size 74-79 232ci I6, 258ci I6, 360ci V8 & 401ci V8 (74-78) BW T-15 Three 2.99:1, 1.83:1, 1.00:1 Rev 2.99:1 9 5/8" long case, top shifter & 1 1/8" input shaft
Cherokee Full Size 74-79 232ci I6, 258ci I6, 360ci V8 & 401ci V8 (74-78) BW T-18 Four 6.32:1, 3.09:1, 1.68:1, 1.00:1, Rev 7.44:1 11 7/8" long case, top shifter, & 1 1/8" input shaft
Cherokee downsize 84-86 2.8L V6 BWT-4 & BWT-5 Four & Five 4.03:1, 2.37:1, 1.50:1, 1.00:1,.76:1, Rev 3.76:1 11 7/8" long case, top shifter, & 1 1/8" input shaft
CJ5 &CJ6 55-62 F-head 134ci-4 T90A-1 Three 2.79:1, 1.55:1, 1.00:1, Rev 3.79:1 8" long case, top or side shifter & 15/16" diam. input shaft
CJ5 &CJ6 60-71 F-head 134ci-4 T98 Four 6.39:1, 3.09:1, 1.68:1, 1.00:1, Rev 7.82:1 11-7/8" long case, top shifter, 15/16" dia. input gear, & adapter on front & rear
CJ5 &CJ6 63-71 F-head 134ci-4 T90C Three 3.33:1, 1.55:1, 1:00:1, Rev 4.53:1 8" long case, top or side shifter, & 15/16" dia input gear
CJ5 &CJ6 66-67 1/2 Buick 225 ci V6 T86 Three 2.79:1, 1.68:1, 1:00:1, Rev 3.79:1 8" long case, top or side shifter, & 1 1/8" dia input gear
CJ5 &CJ6 66-71 Buick 225 ci V6 T18 Four 4.02:1, 2.41:1, 1:41:1, 1.00:1, Rev 4.73:1 11-7/8" long case, top shifter, 1 1/8" dia. input gear, & adapter on front & rear
CJ5 &CJ6 67 1/2-71 Buick 225 ci V6 T14 Three 3.10:1, 1.61:1, 1:00:1, Rev 3.10:1 8 3/4" long case, top shifter & 1 1/8" dia input gear
CJ5 &CJ6 72-75 232 ci I6 & 258 ci I6 T14 Three 3.10:1, 1.61:1, 1:00:1, Rev 3.10:1 8 3/4" long case, top shifter & 1 1/8" dia input gear
CJ5 &CJ6 72-75 232 ci I6, 258 ci I6 & 304 ci V8 T15 Three 2.99:1, 1.93:1, 1:00:1, Rev 2.99:1 9 5/8" long case, top shifter & 1 1/8" dia input gear
CJ5 &CJ6 72-75 232 ci I6, 258 ci I6 T18 Four 4.02:1, 2.41:1, 1:41:1, 1.00:1, Rev 4.73:1 11 7/8" long case, top shifter, 1 1/8" dia and front adapter & rear
CJ5 &CJ7 76 232 ci I6, 258 ci I6 T18 Four 4.02:1, 2.41:1, 1:41:1, 1.00:1, Rev 4.73:1 11 7/8" long case, top shifter, 1 1/16" dia and rear adapter
CJ5 &CJ7 76-79 232 ci I6, 258 ci I6 & 304 ci V8 T150 Three 2.99:1, 1.75:1, 1:00:1, Rev 3.17:1 9 1/4" long cast iron case, top shifter & 1 1/16" dia input gear
CJ5 &CJ7 80-81 1/2 304 ci V8 T176 Four 3.82:1, 2.29:1, 1:46:1, 1.00:1, Rev 3.82:1 10 1/4" long aluminum case & top shifter on transmission cover
CJ5, CJ7 & 8 80-84 151ci I-4 & 258 ci I6 SR4 Four 3.52:1, 2.27:1, 1:46:1, 1.00:1, Rev 3.52:1 9 1/4" long aluminum case & top shifter in adapter to transfer case
CJ5, CJ7 & 8 82-86 258 ci I6 T5 Five 4.03:1, 2.37:1, 1:50:1, 1.00:1, .86:1, Rev 3.76:1 9 1/4" long aluminum case & top shifter in adapter to transfer case
CJ5, CJ7 & 8 84-86 151ci I-4 & 258 ci I6 T4 Four 4.03:1, 2.37:1, 1:50:1, 1.00:1, Rev 3.76:1 9 1/4" long aluminum case & top shifter in adapter to transfer case
TJ 97-98 4.0l I6 AX15 Five 3.83:1, 2.33:1, 1:44:1, 1.00:1, .79:1 Rev 4.76:1 Aluminum case & internal hydraulic throught o bearing
TJ 97-98 2.54L I4 AX4 Five 3.93:1, 2.33:1, 1:44:1, 1.00:1, .83:1 Rev 4.79:1 Aluminum case & internal hydraulic throw out bearing
Wagoner 63-65 230ci OHC6 T90J Three 2.79:1, 1.55:1, 1:00:1, Rev 3.79:1 8" long case & top or side shifter
Wagoner 63-65 230ci OHC6 T98 Four 6.39:1, 3.09:1, 1:68:1, 1.00:1, Rev 7.44:1 11 7/8" long case, top shifter & adapters front & rear
Wagoner 66-68 232ci I6 T14 Three 3.10:1 or 2.90:1, 1.61:1 or 1.83:1, 1:00:1, Rev 3.10:1 or 2.90:1 Top or side shifter
Wagoner 66-68 327ci V8 T85 Three 2.97:1 or 2.49:1, 1.59:1, 1:00:1, Rev 3.15:1 Side shifter
Wagoner 66-68 232ci I6 or 327ci V8 T18 Four 6.39:1, 3.09:1, 1:68:1, 1.00:1, Rev 7.43:1 11 7/8" long case, top shifter, Adapter front and rear
Wagoner 68-71 232ci I6 or Buick 350ci V8 T14 Three 3.10:1 or 2.99:1, 1.61:1 or 1.83:1, 1:00:1, Rev 3.10:1 or 2.90:1 Top or Side Shifter
Wagoner 68-71 232ci I6 or Buick 350ci V8 T18 Four 6.32:1, 3.09:1, 1:68:1, 1.00:1, Rev 7.43:1 11 7/8" long case, top shifter, Adapter front and rear, V8 & I6 versions differ
Wagoner 72-79 232ci I6, 258ci I6, AMC 360ci V8, AMC 401 V* (74-79) T15 Three 2.98:1, 1.83:1 , 1:00:1, Rev 2.99:1 Top or Side Shifter & adapter on front with 360ci V8
Wagoner 72-79 232ci I6, 258ci I6, AMC 360ci V8, AMC 401 V* (74-79) T18 Four 6.32:1, 3.09:1, 1:68:1, 1.00:1, Rev 7.44:1 Top shifter, adapter front & rear, V8 &I6 version differ
YJ-Wrangler 87-89 4.2L I4 Peugeot BA10 Five 3.39:1, 2.33:1, 1.4:1, 1.00:1, 0.79:1, Rev 3.39:1 Two-piece clamshell case & five bolts to bell housing
YJ-Wrangler 89-96 4.2L I4 and 4.0L six AX15-ASIN Five 3.83:1, 2.33:1, 1.44:1, 1.00:1, 0.79:1 Rev 4.76:1 1 1/8", 10 Spline input shaft