Wheel hand holes, not a indicator on truck size. My '46 2 ton had 5 hand hole wheels. Wheels are changed numerous times throughout a trucks life. "OF" in the ID number, indicates it as a 2 ton. A 1946 1 1/2 ton would be "OS".
Spanky Hardy Collector Of Fine Old G.M. COE Trucks & Antique Holmes Wreckers