Cummins B6.7 Engine

Cummins B6.7 Engine


200-360 HP


520-800 LB-FT

The Cummins B6.7 has undergone several updates and improvements over the years to enhance its performance, reliability, and fuel efficiency. Here's a general overview of its specifications history:

1. Early versions: The B6.7 was initially introduced in 2007 with varying power ratings, typically ranging from 200 to 325 horsepower. These early models featured traditional mechanical fuel systems.

2. Mid-cycle updates: In 2010, Cummins introduced an updated version of the B6.7 with improved fuel efficiency and reduced emissions. This included the introduction of the High-Pressure Common Rail (HPCR) fuel system, which enhanced fuel atomization and combustion efficiency.

3. Emissions regulations: As emission standards became increasingly stringent, Cummins made further updates to the B6.7 to meet these regulations. This led to the introduction of advanced aftertreatment systems, such as Selective Catalytic Reduction (SCR), to reduce nitrogen oxide (NOx) emissions.

4. Current generation: The latest generation of the B6.7 engine features even higher power ratings and improved fuel efficiency. It also incorporates advanced technologies like Cummins' Single Module™ aftertreatment system, which integrates multiple exhaust aftertreatment components into a single unit, optimizing performance and simplifying maintenance.

In terms of compatibility, the Cummins B6.7 engine is designed to be compatible with a variety of medium-duty trucks, buses, and other commercial applications. It is widely used in various industries, including transportation, construction, agriculture, and more. Cummins engines are often used in conjunction with different vehicle manufacturers, allowing for seamless integration into a wide range of commercial vehicles.

Learn more about the B6.7 at