Profile: Parts Expediting Distribution, Co. remanufactures diesel engines and transmission systems. We also specialize in engine production business and marine diesel engines. Our products are used in military, commercial and leisure applications. The raw water systems on all marine engines are completely rebuilt. We produce oil coolers that are used for both marine engine and transmission applications. Our header tanks heat exchangers are designed for use with marine engines. We deal with air compressors, blowers, governors, fuel pumps, water pumps, cam followers, cylinder heads and turbo chargers. We offer complete fuel injection service, from fuel injectors to any type of fuel pump. We deliver a custom drop deck trailer that has special capabilities that allows it to transport vehicles that are over 11 ft in height. Our dual fuel system constantly monitors all parameters, including the natural gas level, switching automatically and smoothly to full diesel when required. No engine modifications are required with the DFS conversion. Applications include heavy duty trucks, buses, refuse haulers, earth moving equipment and locomotives. The DFS is compatible with both compressed natural gas (CNG) and liquid natural gas (LNG) fuel storage systems.