Specifications include, but are not limited to: The Chassis shall be a Dodge D5500 4x4. (NO EXCEPTIONS) Wheelbase 192.5" - 108" CA Dual Rear G.V.W. 19,500 lbs . 7,000 lb. Front Axle (Mono Beam) 13,500 lb. Rear Axle Cummins 6.7L I-6 OHV direct diesel injection 24 valve intercooled turbo diesel engine. (ETK) Engine Block Heater Engine Oil Cooler Heavy Duty 6 Speed Automatic Aisin AS68RC Automatic Transmission with overdrive (DF2) Transmission Oil Cooler Diesel Exhaust Brake NEN Stainless Steel Exhaust Rear axle 4.44 with Limited Slip differential Auto locking hubs Electronic Shift on the Fly Transfer Case (DK3) Transfer Case Skid Plate Shield (XEF) Fuel Capacity: 52-gallon single tank (aft axle) Emergency/Fire/Rescue Special Emissions Package (AH6) Special Emissions- Emergency Vehicle (XKZ) Rear A/C Heater Prep Group (HBC) Dual Alternators rated at 440 Amps (XF7) Voltage Monitoring Auto Ide Up System (XF6) Manual DPF Regeneration (XNR) 1460 amp (total) dual Batteries (Diesel) Cold Weather Group (ADE) Engine block heater Winter Front Grille Cover Safety Dual air Bags, passenger side front-impact cancellable air bag. Front height adjustable seatbelts with front pre-tensioners 4-wheel Antilock braking system Steering & Suspension: Hydraulic power-assist re-circulating ball steering Power Brakes- Four Wheel Disc Non-independent front suspension Front leading link suspension Front anti-roll bar Front coil springs HD front shocks Rigid Rear Axle Rear leaf suspension