A heavy duty running gear package with heavier axles, tires, and a super duty cast iron coupler are the key features. The running gear features 8,000 lb. 8 lug axles with 17.5 in. heavy duty load range H radial tires and heavy duty slipper spring suspension. The coupler is a super duty three bolt cast iron unit. The frame is 6 in. channel with a 6 in. channel wrap around tongue. A tool box with a lockable lid, 17 in. cross-member spacing, stake pockets with a rub rail on the outside, and full reflective tape are all included. A US made sealed modular wiring harness with lifetime LED lighting assures trouble-free lighting on every 17000 GVWR Deluxe Wood Floor Tilt Equipment Trailer.