First off - Welcome to Stovebolt! thumbs_up Your vehicle serial number/data plate shows your truck is A GM of Canada built Model 1435.

This Old GMC Trucks web page gives the info you need to decode the serial number. It's a little fuzzy, but you can still read it enough to confirm what you have.

Give it a read and post a reply with what you figure out using this decode info. Others will be along soon to offer more help and confirmation. smile

~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)