Specifications include, but are not limited to: 3.3.1 Cab and Chassis: 3.3.1.1 Gross Vehicle Weight (G.V.W.): Minimum G.V.W. rating of 19,500 pounds. 3.3.1.2 Wheel Base: The wheel base should be approximately 158 inches or as required for the arrangement and configuration of the equipment bid. 3.3.1.3 Axles and Springs: 3.3.1.3.1 The front axle shall have a minimum rating of 6,000 pounds. 3.3.1.3.2 The rear axle shall have a minimum rating of 13,500 pounds. 3.3.1.3.3 The unit shall have a maximum geared road speed of 65 MPH. 3.3.1.3.4 The rear axle gear ratio shall be 4:10 or approved alternate and shall be equipped with a driveline guard. 3.3.1.3.5 The front suspension shall be rated to a minimum of 6,000 pounds G.V.W. and shall be equipped with heavy-duty shock absorbers and auxiliary springs. 3.3.1.3.6 The rear suspension shall be leaf spring style suspension with a minimum rating of 13,500 lbs. 3.3.1.4 Brakes: 3.3.1.4.1 The unit shall be equipped with dual power assisted, hydraulic selfadjusting service brakes. 3.3.1.4.2 The front brakes shall be disc type.