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Maybe they did? I've never heard of such beast. I just know themes the half ton and D44hd which is 3/4 ton. Its possible that's the difference also. Did rockauto specify 5 or 8 lug?



No but it says the 4500 is part time 4x4.. So I guess that's locking hubs.. The door sticker says 1476 kgs and that translates in about 3200 lbs. so I guess its a 3500 lb axle... Thanks for your help...