Technical documentation • Willys MB / Ford GPW

Transmission

Overview of the transmission, distributor, transmission ratios and powertrain.

T-84manifoldtransmission
Transmission

Assembly overview

Transmission

Original technical data from the book, arranged in the existing form of the site suitable for reading, printing and PDF.

Illustration transmission

c) Transmission

Clutch

DataValue
Typesaucer-shaped
Disk — brandBorg and Beck
Disk — model11123
Disk — power required to detach a disk81.2 mkg (132 ft/lb)
Presser - brandAtwood
Presser — ModelNo. TP-2B-7-1
Pusher - spring tension at 39.7mm length81.7–88.5 kg (180–195 lb)

transmission — basic data

DataValue
BrandWarner
ModelT-84-J
Typesemi-synch

transmission — maximum movement speed

Gear ratioDirect transmissionReduced transmission
And speed39 km (24 miles)19 km (12 miles)
II speed66 km (41 miles)34 km (21 miles)
III speed96.5 km (60 miles)53 km (33 miles)
Reverse speed29 km (18 miles)14 km (9 miles)

transmission — transmission relations

DataValue
And speed2,665 : 1
II speed1,564 : 1
III speed1 : 1
Reverse speed3,554 : 1

Drive distributor

DataValue
Make and modelSpicer-18
Direct transmission1 : 1
Reduced transmission1,97 : 1

Cardan shaft with joints

DataValue
PTO shaft — makeSpicer
Front PTO shaft length (center to center of joint, on normally loaded vehicle)550.9 mm (21 11/16 in)
Rear PTO shaft length (center to center of joint, on normally loaded vehicle)508.8 mm (20 1/3 in)
Shaft diameter38.1 mm (1 1/2 in)
Front PTO Joint - MakeSpicer
Front PTO joint — typ"U" bolt and closed fork
Front PTO Joint — Model1268
Front PTO rear joint — makeSpicer
Front PTO Rear Joint — Typesliding joint with closed fork and "U" bolt
Front PTO Rear Joint — Model1261
Rear PTO Front Joint — MakeSpicer
Rear PTO Front Joint — Typsliding joint with closed fork
Rear PTO Front Joint — Model1261
Rear PTO Joint - MakeSpicer
Rear PTO Joint — Type"U" bolt and closed fork
Rear PTO Joint — Model1268

Drive axles

DataValue
Front drive axle — make and modelSpicer-25
Front drive axle — typrelieved
Front Drive Axle — Differential Gear Ratio4,88 : 1
Front Drive Axle — Differential Typehypoid with two runners
Rear Drive Axle — Make and ModelSpicer-23-2
Rear drive axle — typrelieved
Rear drive axle — differential gear ratio4,88 : 1
Rear Drive Axle — Differential Typehypoid with two runners