Originally Posted by Tango
Wondering if that gear set would fit any of the '42 to '46 series big bolts. Anybody know?

If they use the same H110 axle it would.

And yes, this is a single speed H110 axle. As far as I know there weren't any alternate ring and pinion ratios for the 2-speed axles of this vintage.

1950 4100 - unrestored and driven weekly for almost no reason at all.