4,000 lb Wheelift Capacity. 12,000 lb Deck Capacity. 19’ or 21’ usable deck rated for 12,000 lbs. It is ready to go to work. Several options like fold down, stationary or removable side rails. Deck mounted or chassis mounted headboard. The Dyna-Trac comes standard with a manual 4,000 lb wheelift but can be upgraded to a self loader. All roll backs feature independent dual hydraulic valve bodies connected with anodized steel tubes. No rods or linkage problems here. Industry’s only standard 3 year warranty with a purchasable 4th and 5th year warranty.