Mole, As Grigg stated, a 3800 series truck, is a 1 ton truck. 3100 = 1/2 ton, 3600 = 3/4 ton, 4100 = 1 1/2 ton, 4400 = 1 1/2 ton, 6100 = 2 ton, 6400 = 2 ton, & 6500 = long wheelbase 2 ton.
Spanky Hardy Collector Of Fine Old G.M. COE Trucks & Antique Holmes Wreckers