| Also known as | T4550 |
| Diagram | Fig. 11 — GEARBOX SHAFTS AND GEARS · ref 14 |
| Subsystem | gearbox |
| Listed in parts books | 1973–1974 |
Layshaft high gear
Layshaft high gear for the gearbox cluster, catalog number 57-4550 (formerly T4550).
This is the layshaft high gear out of the gearbox internals, catalog number 57-4550, known in the older parts books under the T4550 designation. It lives on the layshaft inside the gearbox, one of the pieces that makes up the gear cluster the selectors and forks move against when you change gears.
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Our catalog record places this part in the gearbox shafts and gears section, alongside the gears, shafts, selectors, and starting mechanism figures. It shows up across a handful of catalog listings from the early-to-mid 1970s.
If you're rebuilding a gearbox and matching up worn or chipped teeth, this is the gear to check against your layshaft assembly. Give us a call if you want to confirm it matches what's currently in your box before you order.
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