Gearbox Input Shaft and Constant Gears- Stag, TR-6

May, 1973

The gear tooth helix angle on the input shaft gear and its mating gear on the countershaft will shortly be changed from 40° to 35°.

Consequently, it will be necessary to insure that you have a matching pair when undertaking gearbox overhauls on the models. The details are listed below:

STAG

DescriptionPart #
Constant pinion (input shaft) 40° helix216869Currently fitted
Constant gear (countershaft)40° helix142434
Constant pinion (input shaft)35° helix219125To be incorporated shortly
Constant gear (countershaft)35° helix159621

TR-6

Constant Pinion (input shaft)40° helix216871Currently fitted
Constant gear (countershaft)40° helix142434
Constant pinion (input shaft)35° helix219126Tobe incorporated shortly
Constant gear (countershaft)35° helix159621