According to the 1960 Truck Data Book, the following 4-Wheel Drive Models were available:
K1404 = 4x4, 1/2 ton, 115" wheel base, Stepside Pickup
K2504 = 4x4, 3/4 ton, 127" wheel base, Stepside Pickup
K1434 = 4x4, 1/2 ton, 115" wheel base, Fleetside Pickup
K2534 = 4x4, 3/4 ton, 127" wheel base, Fleetside Pickup
K1405 = 4x4, 1/2 ton, 115" wheel base, 7 1/2-Ft. Panel Body
K1406 = 4x4, 1/2 ton, 115" wheel base, 8-Passenger Carryall (barn doors)
K1416 = 4x4, 1/2 ton, 115" wheel base, 8-Passenger Carryall (clamshell gates)
K1403 = 4x4, 1/2 ton, 115" wheel base, Chassis-Cabs
K2503 = 4x4, 3/4 ton, 127" wheel base, Chassis-Cabs
