One more question, gentlemen... We have to get the trailer to the dealer for some warranty work. It's about 60 miles one way, gradually downhill from 3000' elevation to less than 100'. They will ...
Another point worth mentioning is this: the gears need to wear in ... the danger your wanting to avoid is heat build up beyond 250 f where the gear oil breaks down. While cruising down the highway at 50 mph you put about 50 HP through the diff gears. Towing on level terrain you might put about 80 hp through the gears. Accelerating hard your putting considerably more power through ... 400 HP?