HOUSING CONTROL TRANSMISSION ASS T84
WO635857
Top Cover (Gearshift Housing) T84 Gearbox
Warner Gear T84J - Top Cover Assembly
Top cover for Warner T84J gearbox as used in Willys MB and Ford GPW 1/4-ton 4x4 trucks (1941-1945) and related vehicles. This cover forms the housing for the shift mechanism and closes the top of the gearbox. Complete with four mounting bolts and featuring flat construction, characteristic of the T84 (the T90 has a raised cover with six bolts).
Application T84 gearbox top cover | Vehicles Willys MB, Ford GPW (1941-1945), M201 |
Original number WO635857 / A635857 | Mounting 4 bolts with lock washers |
Features
- Flat top cover specific to Warner T84J gearbox With opening for gear shift lever and pivot pin Manufactured to original specifications Requires new gearshift housing gasket during installation (not included) Compatible with both early and late T84 versions
★ This top cover is an essential component of the T84 gearbox and forms the housing for the shift mechanism. The flat construction with four mounting points is characteristic of the T84 and distinguishes it from the later T90 gearbox.
📖 From the Technical Manual
Mounting
- 1. Place new gearshift housing gasket on the gearbox 2. Ensure shift rod is in neutral position 3. Place spring washer on the pivot pin 4. Position housing on the transmission and install four lock washers and cap screws 5. Install gear shift lever
Specifications
- Warner Gear T84J specifications: Type: 3-speed synchronous mesh (2nd and 3rd synchronised) Gears: 3 forward, 1 reverse Ratios: 1st: 2.665:1, 2nd: 1.564:1, 3rd: 1:1, Reverse: 3.554:1 Cover mounting: 4x cap screws with lock washers
This part is intended for the restoration of historic military vehicles. Fitting, aligning, deburring or reworking is part of that work and is inherent to the nature of these goods. Dimensional variation also exists between original vehicles.
Installation requires technical knowledge of the vehicle. Unsure whether this part suits your version? Ask us before purchase at info@willys.be.
This part fits:
| Model | Years |
|---|---|
| Military jeeps | |
| Willys MB (early) | 1941, 1942 |
| Willys MB | 1942, 1943, 1944, 1945 |
| Ford GPW (early) | 1942 |
| Ford GPW | 1942, 1943, 1944, 1945 |
| Hotchkiss M201 (early) | 1956, 1957, 1958, 1959 |
| Hotchkiss M201 | 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966 |
📐 Diagrams & technical drawings
From the original Technical Manual TM 9-1803B — Ordnance Maintenance — Power Train, Body & Frame — only for Willys MB / Ford GPW (¼-ton 4×4)
