The Cat® 3412C Industrial Diesel Fire Pump Engine is offered in ratings ranging from 476-551 kW (638-739 hp) @ 1750-2100 rpm. These ratings are non-certified and are available for global non-regulated areas. They are not FM Approved and not UL Listed. 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.