The Cummins B Series is a family of diesel engines produced by American manufacturer Cummins. In production since 1984, the B series engine family is intended for multiple applications on and off-highway, light-duty, and medium-duty.

All the engines in this series perform well under severe duty cycles and offer excellent fuel consumption, substantial cooling capability, low noise, low weight, and high power output per litre, for first class reliability.

The Cummins B6.7™ is one of the most dependable and durable medium-duty engines available. It’s been tested and proven with more than 13 million engines produced over nearly 40 years, with billions of miles driven.

The B6.7 is the most popular diesel engine ever built by Cummins. Now in its fourth decade of continuous improvement, the B6.7 for 2019 features an EGR-free design that delivers 5 percent more power and 31 percent more peak torque than the current model.

Dec 1, 2020 · The Cummins Diesel 5.9 liter Engine 6BT, aka the Cummins “12-valve” was the first member of the “B” engine family to be used in a light truck vehicle. The 6BT used Robert Bosch GmbH fuel systems, injector, and VE rotary pump and P7100 inline injection pumps.

Oct 14, 2023 · The Cummins B Series is a family of diesel engines produced for nearly four decades since 1984. Known for their placement in Dodge/RAM trucks, they can also be found in service and school buses. Cummins B-Series engines have been offered in inline-four and inline-six-cylinder configurations.

The 4BT engine is inline four-cylinder water-cooled turbodiesel engine in the Cummins B series. The 3.9-liter strait-four together with 5.9-liter straight-six (12 valve Cummins) are the most popular engines in B series. There are 3.3-liter and 4.5-liter four-cylinder engines also available.

Cummins B Series engines meet all current Tier 2 standards and will achieve Tier 3 compliance with in-cylinder technology that maintains a compact, simple and cost-effective design solution. Plus, Cummins B Series engines are designed for minimum noise output, so you can operate in high-density areas such as business or residential districts.

Cummins ISB 6.7-liter straight-six turbodiesel engine is the latest and biggest version of the B series. The ISB 6.7 is also the most powerful diesel engine produced by Cummins (350 hp and 650 lb-ft of torque) for light/medium-duty trucks.

The Cummins B Series is a family of straight-four and straight-6 diesel truck and industrial piston engines manufactured by Cummins. The B Series is known for the popular 3.9 litres (238.0 cu in) straight-four and 5.9 litres (360.0 cu in) straight-six motors.