Specifications include, but are not limited to: A. Unit - Heavy-duty 6-wheel dump truck cab & chassis with GVW of not less than 43,000 pounds; such as a Workstar SFA or Freightliner 108SD. B. Wheelbase and Cab-to-Axle (CA) - 1. CA shall be sufficient length to accommodate a swaploader hook lift. Chassis must also accommodate plow rigging. Measurement should be 114” CA. 2. Axle-to-Frame (AF) dimensions must allow for a minimum 12” of frame to extend past rear tires to facilitate mounting the hook lift system and brake controls with lighting adapters for a trailer. C. Front Axle - 1. 20,000 lb. min. capacity I-beam type, such as Meritor FL941 or equivalent. 2. Suitable for extreme snowplow and dump truck service; 9,500 lb. left spring and 10,500 lb. right spring. 3. Oil-lubricated and sealed wheel bearings with visible oil supply. 4. Front springs should be heavy-duty designed to support the plow and wing in travel position, under full ballast load, with no appreciable sag or deflection on either side. 5. Spring-mounted hardware and brackets shall be designed for extreme service. 6. Front axle should be the set-back type. 7. Must have airbag assist spring for the right side to aid spring deflection. D. Rear Axle - 1. 23,000 lb. axle with locking wheel differential; Meritor RS23-186 or equivalent. 2. Approximately 65 MPH at most economical RPM, in high gear. 3. Aluminum housings are not acceptable. 4. Magnetic oil drain plug. 5. Oil-lubricated and sealed wheel bearings. 6. Ratio shall be 5.38 to one. 7. Driver-controlled traction control...
