You have a Canadian truck I would presume. I would guess that the Canadian GMCs still used Chev 235 motors in the light and medium duty trucks in 1959. Here is a serial number decoder for your year. It should be part of the VIN tag.

http://www.oldgmctrucks.com/page0185.html



1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!