QSB6.7 engine for cummins QSB6.7 engine

Cummins QSB6.7 Engine – Powerful and Reliable Diesel Engine for Medium to Heavy Applications

The Cummins QSB6.7 is a 6-cylinder, 6.7-liter, turbocharged diesel engine engineered to deliver high performance, excellent torque, and long-lasting reliability. It is widely used in medium-duty trucks, buses, construction machinery, and industrial equipment, offering efficient fuel consumption, low emissions, and durable operation.

Key Features and Benefits

• Configuration: Inline 6-cylinder, 4-stroke, turbocharged diesel engine with intercooler

• Displacement: 6.7 liters

• Power Output: 136–224 kW (182–300 hp), depending on variant

• Torque: Up to 1,050 Nm for strong load-handling capability

• Fuel System: High-pressure common rail direct injection for precise combustion and fuel efficiency

• Emission Compliance: Meets EPA Tier 4 / Euro IV–V standards

• Durability: Robust Cummins engineering ensures long service life under demanding conditions

• Fuel Efficiency: Optimized design reduces fuel consumption and operating costs

• Serviceability: Easy maintenance with widely available global parts support

• Versatility: Suitable for trucks, buses, construction machinery, and stationary industrial applications

Applications

The Cummins QSB6.7 engine is commonly used in:

• Medium & Heavy Trucks: Delivery trucks, dump trucks, and commercial vehicles

• Buses & Coaches: City buses, shuttle buses, and intercity coaches

• Construction & Industrial Machinery: Excavators, loaders, and compact to mid-size machinery

• Stationary Equipment: Diesel generators, pumps, and compressors

Why Choose the Cummins QSB6.7 Engine?

The QSB6.7 combines high power, excellent torque, and fuel efficiency, making it a reliable solution for medium to heavy-duty transport and industrial applications. Cummins’ global support network ensures minimal downtime and low operating costs.