1973-80 c65 dump truck

[379diesel]

bought a c65 chevy truck today...can't find a way to decode the vin number ..its canadian built i know that cause of the kilometer speedo..i'm going to build neet little backhoe hauler out of it ..the back hoe is a 69 mf 50 ..does anyone know how to decode these trucks thanks i'll be posting pics of my build as it happens...this has sat in an uninsulated barn for 15 years they say i'm trying to keep it original ..its got a 366 , and a five plus two ..any help with the decode would be awesome