TRANSMISSION REBUILT/TESTED T84
(STANDARD EXCHANGE)
T84 Transmission Rebuilt and Tested - Willys MB / Ford GPW
Professionally rebuilt 3-speed Warner T84J with synchronised 2nd and 3rd gear
Fully rebuilt and tested original T84 transmission for Willys MB and Ford GPW (1941-1945). The Warner T84J is the authentic 3-speed gearbox with synchronised second and high gear as specified in TM 9-1803B. This unit has been completely disassembled, inspected, fitted with new bearings, oil seals and gaskets where required, and functionally tested. Ready for installation.
Transmission type Warner T84J, 3-speed synchronous mesh | Application Willys MB / Ford GPW 1941-1945 |
Gear ratios Low 2.665:1 | Second 1.564:1 | High 1:1 | Reverse 3.554:1 | Condition Rebuilt, tested, ready to fit |
Features
- Original Warner T84J transmission, fully rebuilt Synchronised 2nd and 3rd gear, 1st and reverse non-synchronised (as per original) New bearings, oil seals, snap rings and thrust washers fitted Gearbox tested for correct operation of all gears Complete with gearshift housing and lever Mounted on rubber to frame centre crossmember (original configuration) Compatible with Dana 18 transfer case with 3/4" intermediate shaft Lower profile than T90 due to top-shifter configuration (no floor plate modification required) Transmission oil capacity to TM 9-1803B specifications Suitable for coupling to Go-Devil 4-134 engine
★ Complete rebuilt and functionally tested T84 transmission — authentic Warner unit for correct WWII Willys MB/Ford GPW restoration. All gears shift smoothly, new bearings and seals fitted. Ready to fit directly.
📖 From the Technical Manual
Mounting
- 1. Check clutch pedal free travel before fitting (see TM 9-803) 2. Fit transmission and transfer case assembly on rubber mounts to frame centre crossmember 3. Fit engine stay cable from engine rear plate to transmission support crossmember 4. Fit ground strap from transmission to floor plate 5. Fill transmission with specified oil to correct level 6. Recheck clutch pedal free travel and adjust if necessary
Specifications
- Make: Warner, Model: T84J, Type: Synchronous Mesh Gear ratios: Low 2.665:1, Second 1.564:1, High 1:1, Reverse 3.554:1 Synchronisers: 2nd and high gear (1st/reverse non-synchronised) Mainshaft end play: 0.006" - 0.008" (adjustable with shims) Compatibility: Dana 18 transfer case (3/4" intermediate shaft) Bearings: Ball bearings (clutch shaft rear, mainshaft rear), 13 rollers (mainshaft front), bushings (countershaft gear, reverse idler)
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 | 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)
