Cat ® 3512 Industrial Diesel Fire Pump Engines, with ratings: 1066-1193 kW (1430-1600 hp) @ 1460-1750 rpm, are non-certified, not FM Approved, and not UL Listed. They are available for global non-regulated areas. Starting on demand is a must for a fire pump engine - always. Cat® fire pump engines have a reputation for reliable starts and long efficient service. The Cat line of fire engine pumps covers a wide range of installations.