Axles
Front Type & Model :
FF, Dana 44
Rear Type & Model :
SF, Dana 44 (1971-75 Wagoneer, 1/2 ton Trk, 74-83 wide track, 87-91 (Grand Wagoneer)
SF, AMC 20 (1976-86 Wagoneer & 1/2 ton Truck)
Ratios R&P : 3.07, 3.31/3.54, 3.73 Wagoneer
gracias Mario Cerda