Specifications include, but are not limited to: tandem-axle diesel-powered cab and chassis; Tandem-axle diesel-powered cab and chassis, minimum 60,000 pounds GVWR. Wheel base to be 191inches minimum. Cab to center line of tandem dimension (CT) shall be127 inches minimum. 19 inches minimum of front frame extension to allow plow hitch installation. (Continuous parent rail). Axle to frame (AF) 50 inch approximately. Front axle shall be set forward to approximately 30 inches. Frame shall be minimum 20.93 Section Modulus with 2,511,600 RBM minimum with yield streinght-120,000 PSI. Single parent rail. Omit rear frame end cross member. (To be removed by body builder when installing buck plate) To have 12-each, 25/32” holes punched in each frame rail per UDOT pattern for snow plow hitch.