[elliott-maine]

I had to replace my tri-glide lower jaw as it was failing. With the stationary lower jaw, I do not have the chucking I had with the original jaw. I have a Redwood, so our weights are similar. I have a Reese hitch. I'm thinking you have a hitch problem, not a pin box problem. I had mine weighed wheel by wheel by SmartWeigh at Escapees, and my axles are carrying essentially the same weight with the drivers side wheels both carrying more weight.