Specifications include, but are not limited to: Chassis: 1. Geared/governed for top speed of 70 mph with cruise control; must meet current emissions standards 2. Minimum 220 HP Cummins ISB 6.7 HIGH TORQUE diesel (600 ft. lbs.) with block heater and bumper mounted plug receptacle with cover; includes factory engine compression brake 3. High temp/low oil pressure engine de-rate shut-down software 4. Allison 2500 PTS transmission with TranSynd synthetic fluid OR EQUIVALENT; Level One software controlling shift points for power/economy (Fuel Sense) MUST BE set up for 4th gear search for milder engine braking 5. Minimum160 amp alternator (Delco-Remy or Bosch) 6. HD coolant hoses with constant torque clamps; under hood ball-type shut off valves 7. Electric on/off fan clutch controlled by ECM 8. Minimum 10,000# front axle with synthetic axle lube at wheel bearings 9. Minimum 23,000# rear axle (indicate axle ratio) with synthetic axle lube