Model 99CR - Super heavy duty bar cradle trucks. Capacity - 5,000 Lb. evenly distributed loads. Product Features: All welded construction (except casters). 3-CRADLES on the 62" long truck & 4-CRADLES on the 96" long truck at 27" w x 14" high. 3" x 3/16" thick flat load supports. 3" channel steel frame. Overall height - 28". 6" x 2" Phenolic swivel casters on the four corners and 10" phenolic wheels on 1" axels in the center allow for easy maneuverability. Casters are bolted on for ease of replacement. Powder coated gray finish.on for ease of replacement....1940, 1942