| Diagram | GEARBOX SHAFTS, BEARINGS AND INNER COVER |
| Subsystem | gearbox |
| Listed in parts books | Not catalogued by year yet |
Mainshaft 2nd gear (21T)
Mainshaft second gear (21 tooth) from the gearbox shaft cluster.
This is the mainshaft second gear, 21 teeth, out of the gearbox internals. It shows up in the parts book under GEARBOX SHAFTS, BEARINGS AND INNER COVER, so it lives inside the gearbox shell on the mainshaft, part of the gear cluster that gets you power through to second.
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The manufacturer tag on this one says Lucas, but that's not right - Lucas made electrics, not gearbox internals, so don't read anything into that. This is a mechanical transmission part plain and simple.
Our catalog record only shows this one turning up in a single listing, so we don't have a lot of history on it beyond the figure it appears in. If you're matching this against your own gearbox internals, best to check tooth count and shaft fit against what you've got before ordering, and give us a call if you want to confirm anything.
Sorry if we got something wrong here. If you think this information isn't correct, .