PLATE LOCKER 2ND/3RD FORK SHAFT CAP T84
2nd/3rd gear shaft interlock T84
Shift rail interlock for Warner T84 gearbox
Essential safety component for the T84 gearbox that prevents multiple gears from being engaged simultaneously. This interlock sits between gearbox and transfer case and blocks the shift rails when a gear is engaged.
|
Application 2nd/3rd gear shift rail (T84) |
Vehicle Willys MB, Ford GPW (1941-1945) |
|
Location Between gearbox and transfer case |
Features
- Prevents double gear engagement (safety interlock) Sits in the notches of the shift rails Moves freely sideways when both rails are in neutral Essential during any T84 rebuild or overhaul Forgetting installation causes shifting and locking problems
★ Critical safety component — without correct operation, the T84 can shift into two gears simultaneously with severe damage as a result. Wear in the rail notches is a common cause of 'locked in neutral' problems.
📖 From the Technical Manual
Mounting
- 1. Place both shift rails in neutral position 2. Check that interlock plunger moves freely back and forth 3. Place gearbox onto transfer case ensuring plunger remains in position 4. Check after assembly that each gear engages individually without blocking
Specifications
- Function: blocks one shift rail when the other moves out of neutral Position: between rear of T84 case and front of transfer case Required: both shift rails must have notches for interlock engagement
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 | 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)
