| Also known as | T4029 |
| Diagram | Fig. 8 — GEARBOX SHAFTS, BEARINGS AND INNER COVER · ref 9 |
| Subsystem | gearbox |
| Listed in parts books | 1970, 1974 |
GEAR,M/SHAFT 23T WIDE RAT
A 23-tooth mainshaft gear for the wide-ratio gearbox cluster, listed under the gearbox shafts and bearings section.
This is a mainshaft gear with 23 teeth, listed in the gearbox shafts and bearings section of the parts books. It sits inside the gearbox on the mainshaft, part of the gear cluster that carries drive through the box. The catalog calls it a wide ratio gear, which tells you it belongs to a wide-ratio gearset rather than a close-ratio setup, so it's worth checking what ratio cluster is currently in the box before ordering a replacement.
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The older book reference for this one is T4029, so if you're working from an earlier parts list or a box of loose parts with that number stamped or written on it, this is the same physical gear under the current numbering. It shows up in the gearbox shafts, bearings, and inner cover figure, which is the section covering the mainshaft, layshaft, and the internal cover that seals that side of the case.
We've only got a couple of catalog listings for this one across the years it covers, so if you're not sure whether your box is running the wide-ratio cluster, bring in the old gear or give us a call before you order.
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