| Diagram | GEARBOX SHAFTS AND GEARS |
| Subsystem | gearbox |
| Listed in parts books | Not catalogued by year yet |
MAINSHAFT HIGH GEAR (24T)
A 24-tooth mainshaft high gear from the gearbox internals, PN 72528.
This is a mainshaft high gear with 24 teeth, listed in the gearbox shafts and gears section of the parts book. It's one of the gears riding on the mainshaft inside the gearbox, part of the set that gives you top gear when everything's engaged.
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Our record on this one is thin - it shows up in a single catalog listing tied to 1969, and that's about all we can say for certain. If you're rebuilding a box and matching gears by tooth count, 24T on the mainshaft high gear is the number to go by, but confirm it against what's actually in your case before you order.
The manufacturer tag on this one says Lucas, but Lucas didn't make gearbox internals - that's just how it landed in our system. Treat this as a gearbox component, not an electrical part.
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