Hydraulic Spreader

The State of New Hampshire is requesting bids for a hydraulic spreader unit mounted on dump trucks for ice control and road-oil applications, with bids due June 8, 2026.

The spreader shall be constructed entirely of 304 stainless steel with a minimum capacity of 11 cubic yards and must fit within standard dump-body dimensions of 162 inches long by 84 inches wide by 42 inches deep, capable of mounting within 4 inches of the front of the dump body. The unit operates via the truck's existing PTO-driven hydraulic system. Key components include a conveyor system with open pintle chain rated at minimum 30,900 lbs per side ultimate strength; a worm gear speed reducer with 25:1 reduction ratio; a stainless steel spinner disc distributor adjustable between 15 and 21 inches above ground; dual Char-Lynn hydraulic motors for conveyor and spinner operation; rigid stainless steel piping with Aeroquip hose connections on the driver's side; eight sectional stainless steel screens with 2.5-inch square openings; and a replaceable 3/16-inch stainless steel wear plate for conveyor operation. The hopper body requires 10-gauge stainless steel for sides, ends, and sills with a minimum of six gussets per side and a discharge gate with calibrated adjustment capability. All sharp edges must be ground smooth and corners rounded for safety.

Bidders must submit detailed descriptions and drawings for departmental review and approval prior to construction. The vendor shall supply a 10-foot stainless steel ladder with nine rungs, complete instruction and parts manuals, and two sets of Material Safety Data Sheets for all construction materials. The specification references quality spreader manufacturers including Bonnell, Warren, Frink, Henderson, Hi-Way, Swenson Tarco, and Tarrant as examples of acceptable quality standards. No paint finish is required. Installation will be performed by State of New Hampshire personnel.