Drive Trainer Knowledge Base
Drive Trainer / Automatic Transmissions
 

Allison MT Series Proper Torque Specifications

DT#36491

Flexplate to drive cover bolts 56-66 N•m 41-49 lb ft
Flexplate/adapter to drive cover nuts 46-54 N•m 34-40 lb-ft
Transmission to frame mounting bolt Models w/o retarder:222-260 N•m
Models w/ retarder: 90-110 N•m
164-192 lb ft
67-81 lb ft
Converter side mount bolts 110-132 N•m 81-97 lb ft
Output flange retaining bolt
(640, 643, 644, 647)
138-164 N•m 102-121 lb ft
Output flange nut
(650, 653, 654CR)
813-1085 N•m 600-800 lb ft
Companion flange or universal joints bolts Tighten to vehicle’s manufacturer’s specification  
Converter housing adapter to engine housing 73-88 N•m 54-65 lb ft
Transmission housing to engine housing or adapter 49-58 N•m 36-43 lb ft
Manual selector lever nut 20-27 N•m 15-20 lb ft
PTO mounting bolts 35-43 N•m 26-32 lb ft
Modulator control retaining bolt 14-22 N•m 10-16 lb ft
Bellcrank and cable support brackets to transmission 57-68 N•m 42-50 lb ft
Cooler lines to transmission 34-47 N•m 25-34 lb ft
Temperature sensor plug or temperature sending unit 22-27 N•m 16-20 lb ft
Fill tube fitting 88-102 N•m
w/ 0.675” long oil pan boss: 122-136 N•m
65-75 lb ft
90-100 lb ft
Drain plug 20-27 N•m 15-20 lb ft
Speedometer driven gear assembly to rear cover 61-68 N•m 45-50 lb ft
Neutral start switch to transmission housing 68-81 N•m 50-60 lb ft
Reverse signal to transmission housing 5-7 N•m 4-5 lb ft