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GEAR MAIN SHAFT
Mainshaft gear transfer case
Dana 18 transfer case – A1510
This gear mounts onto the rear end of the transmission mainshaft, inside the transfer case. The gear has 27 teeth and 6 splines. Essential component for power transmission between gearbox and transfer case.
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Technical specification 27 teeth, 6 splines |
Application Dana 18 transfer case |
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Part number WOA1510 / A1510 |
Marking 18-8-7 |
Features
- 27 teeth on drive gear
- 6 splines for mounting on mainshaft
- Original specification conforming to Dana 18
- Replaceable with castle nut and split pin
- Mounted between transmission and transfer case
★ Quality reproduction according to original Dana Spicer specifications for reliable power transmission.
Installation notes
The gear is mounted on the transmission mainshaft with a castle nut and split pin. Recommended torque: 130-170 ft/lbs (approx. 175-230 Nm). Ensure correct alignment of split pin hole — never loosen nut after tightening. If necessary, grind washer to achieve correct alignment at the required torque.
Compatibility
This is the early-type transfer case gear with 3/4" intermediate shaft, used in vehicles with Dana 18 transfer case. Not to be confused with later versions having 29 teeth and 10 splines (with T-14 transmission). Check the number of teeth and splines on your original part before ordering.
Historical context
The Dana Spicer Model 18 transfer case was produced from 1941 onwards and used in numerous military and civilian vehicles. This type of mainshaft gear was the standard specification during WWII and immediately afterwards.
This description was generated automatically. Unsure about fitment? Contact us at info@willys.be.
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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 |
| Willys M38A1 | 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971 |
| CJ series | |
| Jeep CJ-2A | 1945, 1946, 1947, 1948, 1949 |
| Jeep CJ-3A | 1949, 1950, 1951, 1952, 1953 |