For sale is a of worm drives for a diesel locomotive. Complete with worm gear, housing and universal coupling for a shaft.
Dapol 112659 Class 68 OO Gauge Worm Gear & Drive Shaft
Hornby 00 gauge Worm Gear for a Locomotive drive model - (S2051)
HORNBY R070 TURNTABLE MOTOR, WORM + DRIVE GEAR + PINION GEAR NEW SPARES