Super nice truck!!! From an ex-mechanics point of view (used to be one then I broke my back) after the break in period drive it like you slammed your hand in the door, cummins seem to like heavy feet. Maybe you should bring it over to my house with your boat say about 5 a.m. (don't forget your fishing gear) so I can inspect it and we can see how well it backs a boat down the ramp then pulls the empty trailer back up. Then after a long day fishing we will see how well it pulls the boat back up the ramp. This is a must do test and will probably soon be factory recommended.