Hi Jacques,
The F60L-01 parts list Dec 1942 issue shows:
C01Q 17261 Casing speedometer - used to serial #21565 with old design cab
C29Q 17261 Casing speedometer shaft - used from serial #21566 with new design cab.
106749 - key, speedometer drive gear (74142-S)
C01Q 17262 shaft, speedometer, used to serial #21565 with old design cab
C29Q 17262 shaft, speedometer - used from serial #21566 with new design cab.
*083065: Sleeve speedometer drive gear (C01Q-17269
* 1809553: Gear speedometer driven - 14 teeth (C01Q-17271-D)
*284414: Bushing - speedometer driven gear (C01Q-17277)
*1809534: Gear-speedometer driving - 4 teeth (C01Q-17285)
C01Q-17288 Spacer, speedometer gear.
Hope that helps. - Edit: looks like I was typing while GJ was scanning!
Mike