| Also known as | T1928 |
| Diagram | Fig. 10 — CLUTCH · ref 1 |
| Subsystem | primary |
| Listed in parts books | 1964–1965, 1967–1968 |
CLUTCH COMPLETE
Complete clutch assembly for the primary drive, cataloged 1964-1968 under Triumph part number 57-1928 (also listed as T1928).
57-1928 is the complete clutch assembly listed under the CLUTCH figure in the Triumph parts books, with catalog appearances running from 1964 to 1968. If you're chasing this by its older book number, it also shows up as T1928 - same physical part, just the pre-numeric-catalog naming convention Triumph used before the 57- prefix system took hold.
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Being a "complete" listing, this covers the full clutch assembly rather than a single friction plate or spring, so it's the entry to reference if you're rebuilding the unit from scratch or trying to confirm you've got every piece that's supposed to be in there. It sits in the primary drive area, where it manages engagement between the engine and gearbox.
The catalog record doesn't spell out which specific model this was fitted to beyond the year span it appears across, so if you're matching parts against a particular machine, give us a call and we'll confirm fitment before you order.
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