4″ x 6″ Bent tubing mainframe w/ tubing cross stringers and longitudinal reinforcement tongue area. 3″ x 4″ reinforced tubing side frame w/ 5″ x 3″ tubing flat rail w/ channel guides each side to facilitate reel transfer. # 4 Heavy duty expanded metal floor and towing area. (2) D-rings at rear – braced to frame.