Mitsubishi 6D14 Engine – 6.6L Heavy-Duty Diesel Engine

The Mitsubishi 6D14 Engine is a dependable 6.6-litre inline 6-cylinder diesel engine developed by Mitsubishi Fuso for medium- and heavy-duty commercial vehicles. Renowned for its durability, fuel efficiency, and low maintenance requirements, the 6D14 engine is widely used in cargo trucks, buses, construction equipment, and industrial applications. Manufactured to OEM specifications, the Mitsubishi 6D14 features a direct fuel injection system, robust cast iron engine block and cylinder head, and a heavy-duty cooling system designed to deliver consistent performance under demanding operating conditions. Depending on the engine variant, the 6D14 is available in both naturally aspirated and turbocharged configurations, providing excellent torque, reliable power delivery, and improved fuel economy. Engineered for long service intervals and dependable operation, the Mitsubishi 6D14 Engine is ideal for engine replacements, fleet maintenance, complete overhauls, and commercial vehicle rebuilds.