PRODUCT Detail
Cummins B Series engines are hard at work on every acre of every field. In fact, with over three million Cummins B Series engines in operation around the globe today, there is no question that these engines are proven performers. Available in a range of ratings from 80 to 173 hp, these midrange engines deliver strong performance with a minimum of maintenance.
Specifying the right combination of standard features and options for your equipment is easy, with Cummins Advisor providing expert assistance.
Every B Series engine is covered by Cummins three-step warranty, one of the most comprehensive and simplest in the industry.
For years, farmers have relied on Cummins B Series engines to power everything from their tractors to their swathers and pumps.
Cummins B Series engines are proven performers on every terrain in every condition. Whether you need a low-horsepower engine with a flat torque curve or a little more horsepower with a sharp torque rise, you’ll find it in a Cummins B Series. These engines feature highly reliable, durable rotary fuel pumps that deliver a steady stream of pressurized fuel for strong performance across a wide range of environmental conditions.
Cummins B3.9, B4.5 and B5.9 also put less noise in the air, making a more productive work environment.
B3.9 | B4.5 | B5.9 | |
Advertised Horsepower | 110-125 hp82-93 kW | 80-99 hp60-74 kW | 150-173 hp112-129 kW |
Peak Torque | 346-373 lb-ft469-506 N•m | 217-305 lb-ft294-414 N•m | 453-580 lb-ft614-786 N•m |
Cylinders | 4 | 4 | 6 |
Oil System Capacity | 11.5 U.S. qt10.9 liters | 11.5 U.S. qt10.9 liters | 17.2 U.S. qt16.3 liters |
Length | 30.6 in777 mm | 30.6 in777 mm | 40.0 in1016 mm |
Width | 24.6 in625 mm | 24.6 in625 mm | 24.9 in632 mm |
Height | 37.7 in958 mm | 35.5 in902 mm | 37.9 in963 mm |
Weight (Wet) | 745-782 lb338-355 kg | 721-745 lb327-338 kg | 952-997 lb432-452 kg |
You can depend on B Series engines for reliable performance, every day and every month of every year. Heavy-duty components include:
- Forged-steel crankshafts built stronger to last longer
- Plateau-honed cylinder liners to eliminate oil consumption
- Holset wastegated turbochargers which optimize operation across the torque curve with improved response
- A parent-bore cylinder block designed for reduced noise and increased durability
- Rotary fuel pumps which are highly dependable and durable
- Edge-molded gaskets for reduced oil use
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