Specifications include, but are not limited to: 1. CHASSIS, (SUSPENSION AND FRAME), TRI AXLE, 70000# GVWR. 1.1 Front axle 20,000 lb. minimum capacity with minimum of eight (8) inches ground clearance at lowest point. 1.2 Lift axle shall be mounted forward of drive axle with 13,200 lb. capacity; lift axle shall be steerable type. 1.3 Rear axle, 46000 lb. capacity, single speed, with controlled traction differential (C.T.D) that is manipulated from the cab as needed. Vehicle shall be geared so as to provide maximum road speed of 68-70 mph. 1.4 Hendrickson “Haulmaax” (or approved equal) air-ride suspension at rear axles. 1.5 Front springs shall be tapered leaf. 1.6 Heavy-duty suspension capacity must be sufficient to carry loaded vehicle on and off road safely.
