i got a 1962 GMC dually truck short wheel base has 351D-V-6 granny 4 spd 5.13 gear's 8-19.5's i'm told it's a C-40.
I thought it was a one ton but the 1 ton's had 17.5's..it's bigger than a 1 ton's smaller than the 1.5ton's i've seen ?


1962 GMC K3000, GMC-379 V6.