I learned a important lesson.. bearings have limits..lol.. and just cuz your engine can do the job doesn't mean it's a smart idea.. first picture is of the machine we decided to haul... Second picture is of the trailer we used... Third picture is the truck I towed it with...all the rest is what's left of the bearings from my differential pinion..the bearings in the trailer are destroyed also hence why it's up in the air... Evidently there is a little pilot bearing on the front of your pinion gear.. and when it disintegrates it gets into the inner and outer bearings of the pinion.. with the 4-10 full floating rear end the truck pulled it with no problem except on the hills of course.. until the last eight or ten miles at which time the axle started talking to me and it did not have anything nice to say LOL.