Originally Posted by 5700Napco
There is a brass Napco tag on it says model 5703. 6.17 gear ratio.
That's interesting, the Korean era G749 2 1/2 ton GMC used the same axle ratio. If nothing else, it may provide you with another avenue for parts.


1941 Chevy 1 1/2-ton WW2 4x4 dump truck
In the Stovebolt Gallery
Lots more pictures