My '53 2-ton 6500 has 179" wheelbase and a 16' bed. After looking at my shop manual I find the '48 2-ton was only offered in 137" (6100) or 161" (6400). But the point is, the harness will work.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.