Need to clarify what you have...Chevrolet never made a 6x6, nor did it have a 5 speed, or a GMC engine. You may have a cocktail as installing GMC engines and 5 speed transmissions into Chevys is/was a common occurance.


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