Specifications include, but are not limited to: 1. ENGINE: 1.1.Minimum 270 HP 800 torque diesel 1.2.Engine should be Clean Idle Certified 1.3.Side of hood air intake with under hood blend air door 1.4.Designed for heavy-duty service 1.5.Oil Cooler 1.6.Magnetic drain plug 1.7.Front PTO adaptor on crankshaft 1.8.Extend dipstick and filler tubes for easy access through butterfly hood. 2. TRANSMISSION: 2.1.3500 R.D.S. 6-speed Allison transmission for heavy-duty service with oil cooler and LBSS programming 2.2.Push button, electronic shift control and dash mounted oil level check 2.3.Torque input rating shall be in excess of maximum available engine torque output 2.4.Designed for heavy-duty service 3. AXLE FRONT: 3.1.Rated capacity 16,000 lbs. minimum 3.2.Designed for heavy-duty service 3.3.Ample tire clearance at maximum turning angle 3.4.Oil lubricated front hubs with synthetic gear lube 4. AXLE REAR: 4.1.Rated capacity 23,000 lbs. minimum 4.2.Rear end, Meritor RS-23-160 single speed with synthetic gear lube or equal 4.3.Aluminum housing and/or lightweight components not acceptable 4.4.Magnetic drain plug 4.5.Driver controlled locking differential 4.6.Driveline 1700 series with half round yokes or equal 5. FRAME: 5.1.Designed for heavy-duty service 5.2.Full depth, full length channel frame rails with PSI 120K, R.B.M. 2.5 million, section modulus of 21.0 5.3.Heavy-duty gusseted cross members shall be provided to diamond shaping under extreme conditions. Local modifications not acceptable. 5.4.Right side frame rail, clean from back of cab 5.5.Rear Tow Hooks