Spanky, my book lists the D450-37 1952-54 with the deisel 3-71
also the DW450-37 52-54 with the 3-71
and the D470-37 with the 3-71

I actually don't list any 500 series GMCs with a deisel

Oly in Oregon

Rest in Peace

1945 GMC COE Victory Truck
1953 Willys CJ3B
1955 Chevy 1st series 3/4-ton
1958 WIFE Last series

Never say "Whoa" in a mud hole