| Listed in parts books | Not catalogued by year yet |
LAYSHAFT
Gearbox layshaft, PN 57-1615, the intermediate shaft carrying the layshaft gears inside a Triumph transmission.
This is a layshaft, PN 57-1615, out of a Triumph gearbox. The layshaft is the intermediate shaft in the transmission that carries the layshaft gears, transferring power from the mainshaft cluster through the gear pairs and back out to the output side. It's a core internal gearbox component, not something you'd swap without splitting the case.
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Our records on this one are thin — we don't have detail on which gearbox family or model years it was cataloged against. If you're chasing a layshaft for a specific box, call the shop with your frame or engine number and we'll confirm before you order.
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