Engine Design – Unmatched performance driven through a perfectly matched turbocharger and a new 24-valve cylinder head that delivers industry-leading power density. Maximize vessel performance and access comprehensive vessel diagnostic information via …

The Tier 3/Stage IIIA QSB6.7 engine is one of the Quantum Series of rail engines from Cummins with innovative technology that delivers more for less. The QSB6.7 has more power, more torque and higher durability – all while achieving lower fuel …

QSB6.7 engines range from 146-310 hp (109-231 kW) for Tier 4 Final. They have the same heat rejection as the Tier 4 Interim engines, so there is minimal, if any, impact on the cooling package. The QSB6.7 is one of the most popular and versatile engines ever built by Cummins.

Engine Design – Robust engine designed for prime power operation and long life. Metric O-ring seals and edge molded gaskets eliminate fluid leaks. Aluminum pistons for exceptional durability.

QSB 6.7 and QSB 6.7 Slimline Heater Supply Connection. Use coolant return elbow behind alternator for return connection.

QSB6.7 CM2250 (174 HP and Abov [...] General Safety Instructions Section i - Introduction Page i-11 To buy Cummins Parts and Service Manuals, Training Guides, or Tools go to our website at https://store.cummins.com • Always use the same fastener part number (or equivalent) when replacing fasteners. Do not use a fastener of

Browse a wide selection of new and used CUMMINS QSB6.7 Engine for sale near you at MachineryTrader.com

The Cummins QSB6.7 is a six-cylinder engine with a displacement of 6.7 liters. It has a maximum torque of 1030 Nm and a bore of 107 mm. The stroke of the engine is 124 mm.

Engine Design – Unmatched performance driven through a perfectly matched turbocharger and a new 24-valve cylinder head that delivers industry-leading power density. Maximize vessel performance and access comprehensive vessel diagnostic information via …

For equipment manufacturers, the QSB6.7 is designed to fit your machine. Cummins’ Engineers will help define your specification for the best and most cost effective installation. The electronic calibration will then be tailored to the exact duty cycle and operation of the machine.