The 2475F12.5GWALT Features: Durable cast-iron construction to withstand the toughest applications. * Precision-balanced overhung crankshaft reduces vibration, this is especially important when mounting in service trucks. * 175 PSI maximum operating pressure. * Fnned copper intercooler for cool running under the heaviest conditions. * Extended pump life. * 12 Volt electric key starting. * Alternator for charging a 12v battery. * Truck-bed mounting. * Electronic ignition. * OSHA approved, fully enclosed belt guard. * Idle engine control. * 30-gallon ASME receiver. Specifications: * HP: 12.5* Engine: Kohler * Start: Electric* Tank: 30-gal hor* ACFM @ 175 PSI: 24.0* Max PSI: 175 * Dimensions: 44 long, 22 wide & 46 high* NPT Outlet (in): 1/2. * Alternator for charging a 12v battery. (Needed when not mounted in a vehicle, battery not included)* 2-Year warranty with the use of start-up kit.