Specifications include, but are not limited to: The generator shall be powered by a water-cooled, diesel engine with sufficient horsepower to deliver the full rated generator set kW/kVA when operated at its rated rpm with all parasitic and external loads. The engine shall be cooled by an engine mounted, vertical radiator with a blower type fan, and extended life coolant that has a minimum service life of 3000 hours without maintenance. The cooling system shall be designed to maintain the engine at operating temperature while the engine is operating at full load and minimum ambient temperature of 110F. The engine shall start, achieve rated voltage and frequency, and be capable of accepting load within 10 seconds. The starter motor and control circuit shall be capable of three complete starting cycles without overheating. Additionally, the engine shall be equipped with the following: By-pass type oil filter Oil cooler Fuel filter Manually operated fuel priming pump Heated fuel-water separator Air filter with a restriction indicator Coolant filter Standard thermostat Coolant protection to - 20 F Constant tension hose clamps Thermostatically controlled clutch fan Single serpentine accessory drive belt Charge air cooler if turbocharged Automatic shut down system and a warning light and buzzer for high water temperature and low oil pressure Thermostatically controlled 110-volt engine block heater that is sized to ensure proper starting and includes isolation valves and an adjustable thermostat Battery charging alternator