GEARS COUNTER T84
Cluster gears (countershaft gear) for T84 gearbox
Complete gear assembly for Willys MB, Ford GPW and M201
Complete cluster gear assembly (countershaft gear) for the Warner Gear T84 gearbox, as fitted to Willys MB, Ford GPW and Hotchkiss M201 vehicles. This essential component carries all four forward gears and forms the heart of the T84. Suitable for repair or overhaul of the gearbox. Supplied with bushings for direct installation.
Application T84 3-speed transmission | Vehicle Willys MB, Ford GPW, M201 |
Original number A-739 / WOA739 | Configuration 12-16-24-29 teeth (front to rear) |
Features
- Cluster gear with four speeds integrated Original tooth counts: 12-16-24-29 from small to large end Cluster gear length: nominal 5.491" (per Warner Gear specification) Available with floating or pressed-in bronze bushings Requires thrust washers for correct axial play (0.004"-0.016") Compatible with original countershaft diameter 0.619" Hardened steel for long service life under heavy loads Critical component for all forward gears except reverse
★ The cluster gear is the most heavily loaded component in the T84 and often the cause of wear in gearbox problems. During overhaul, always inspect bushings, thrust washers and countershaft.
📖 From the Technical Manual
Mounting
- 1. Place steel thrust washer on pin at rear of case 2. Slide bronze rear thrust washer (mickey mouse cutouts) onto countershaft 3. Install cluster gear with bushings onto countershaft 4. Place large bronze front thrust washer 5. Check axial play: 0.004"-0.016" (factory spec), aim for 0.004"-0.006" during overhaul
Specifications
- Cluster gear length: 5.491" +0.000"/-0.004" (Warner Gear spec) Countershaft diameter: 0.619" nominal Bushing ID: 0.625" (new, for floating type) Axial play (end play): 0.004"-0.016" factory spec (TM 9-1803B, p.98)
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)
