Specifications include, but are not limited to: CNG Engine: Cummins ISX 12 G 350, 350 H.P. @ 2100 rpm governed speed, 1450 lb./ft.@1200 peak torque. Inline 6-cylinder, 4-cycle, spark-ignited, turbocharged, CAC. Cummins engine brake. Three-way catalyst after treatment, CooledEGR combustion technology. Electronic control module provides full monitoring and control of engine sensors, fuel and ignition system with full interface capabilities to Cummins Insite and diagnostic service tools. Engine shut down system Fleet guard fuel and lube filters (4 micron) Air cleaner, dry type two stage with restriction gauge in dash. Alternator, 160 AMP. CNG FUEL SYSTEM: 75 DGE, 3,600 psi minimum, upright fuel tank enclosure mounted directly behind cab to the top of the frame rails. Date of manufacture of CNG cylinders shall be no more than 180 days prior to the manufacture truck chassis date, 20 year cylinder certification. Fuel cylinders, enclosure and installation shall conform to all federal and state regulatory and safety standards and shall be fully engineered, tested and normally offered by the manufacturer on the chassis configuration provided. Each cylinder shall have its own data label applied in a visible location for required periodic inspection. Each cylinder shall have its own dedicated manual shut off valve and pressure relief device with dedicated vent tube routed outside of tank enclosure. Fuel fill shall be located on the driver’s side adjacent to the tank enclosure in a metal enclosure with hinged door.