That would be a Canadian Chev, I would think 2 Ton. The 1540 has a wheelbase of 161" and a GVW of 13000 to 14000 lbs. The 1530 would have a wheel base of 137" and a GVW of 13000 - 14,500. This is not as heavy as the Maple leaf and so it should have a 235 engine.

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!