Henderson offers two standard underbody hoists for single axle work trucks, the 7-17 & 8-17 (class 50). These traditional hoists each use a single cylinder thrust arm and operate at pressures up to 2,000 psi. The 7-17 uti-lizes a 7” diameter cylinder with a 17” stroke and ¾” O-ring port. The 8-17 utilizes an 8” diameter cylinder with a 17” stroke and ¾” O-ring port.
The 8-17A (class 60) is an optional hoist operating at pressures up to 2,500 psi. Otherwise its overall specs are identical to the 8-17.
Sub-frame is constructed of 4” x 10.5 lb. structural channel long members with integrated body prop (additional body prop is available), body guides, and integral rear hinge. The rear hinge uses 1-1/2” pins and 2-1/2” blocks. The pins and blocks attach to a 3/8” x 4” x 6” gusseted angle that provide stability to the dump body throughout its range of motion. Maximum dump angle is 50°. Hoists come standard with greaseable bushings. Greaseless composite bushings are optional.
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