BALL SHIFT RAIL POPPET T84
WO635838
Poppet Ball Shift Rail T84 Gearbox
Detent ball for shift rod Willys MB Ford GPW
Steel detent ball (poppet ball) for the shift rails of the T84 gearbox. Used in combination with the poppet spring to hold the shift rods in position during gear changes. Essential component to prevent jumping out of gear.
Application T84 gearbox shift rails | Quantity required 2 pieces per vehicle |
Suitable for Willys MB 1941-1945, Ford GPW 1941-1945 | Original number 635838 |
Features
- Steel detent ball for shift rod positioning Pressed by spring into detent groove of shift rail Prevents unwanted jumping out of gear Replace together with corresponding spring during overhaul 2 pieces required per T84 gearbox (1st/reverse rail and 2nd/3rd rail)
★ Common problem with T84 gearboxes that shift poorly or jump out of gear: corroded or weak poppet springs and worn detent balls. Replace both components during overhaul for smooth gear changing.
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)
