| Also known as | T2532 |
| Diagram | Fig. 9 — GEARBOX SHAFTS, BEARINGS AND INNER COVER · ref 9 |
| Subsystem | gearbox |
| Listed in parts books | 1968–1970 |
Mainshaft High Gear (20T)
Mainshaft high gear (20 tooth) for the gearbox, listed under 57-2532 and the earlier T2532 number.
57-2532 is a mainshaft high gear with 20 teeth, listed in the gearbox shafts, bearings, and inner cover section of the parts books. It's a component of the mainshaft assembly inside the gearbox, part of the gear train that carries drive through top gear.
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This one shows up under the older T2532 number as well, so if you're working from an earlier parts book and see that reference, it's the same physical gear. Catalog listings for this PN run from 1968 to 1970, which is the window you'd expect to check against your own gearbox before ordering.
Gearbox internals like this are worth pulling and inspecting for tooth wear or chipping any time the box is apart for other work, since replacing one gear later usually means going back in for a second time.
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