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PRODUCT Detail
Proven track record
The Cummins B6.7™ is one of the most dependable, durable and reliable medium-duty engines available. It’s been tested and proven with more than 12 million engines produced over nearly 40 years, with billions of miles driven. These figures aren’t just milestones either. They represent years of experience learning and optimizing the product into what we produce today – the most reliable B6.7 Cummins has ever built.
Reduced operating costs
We know total cost of operation (TCO) is important to our customers, which is why we focused on making enhancements to reliability and durability while also lowering the TCO. New for EPA 2021, the B6.7 features upgrades that allow for extended engine maintenance intervals, including longer oil drain intervals, more time between fuel filter changes and a completely maintenance-free crankcase ventilation filter. Also new for 2021, the B6.7 offers advancements in connectivity to find, prevent and resolve issues faster.
We have your back
The B6.7 comes with a 5-year / 100,000-mile base warranty. For added peace of mind, we offer multiple extended coverage plan options up to 10 years, designed to provide you with the coverage you need for your operation. All Cummins products are backed by the largest, most capable support network in North America. With over 3,700 certified repair locations across the U.S. and Canada, your school buses are never far from a Cummins-certified technician.
Peak Torque | 520-660 lb-ft | 705-896 N*m |
---|---|---|
Governed Speed | 2600 rpm | |
Clutch Engagement Torque | 400 lb-ft | 542 N*m |
Number of Cylinders | 6 | |
Engine Weight (Dry) | 1,150 Lbs | 522 Kg |
Cummins designs, develops and supports every component, from the air handling to the exhaust aftertreatment, to work as a totally integrated system – so we can optimize every function better than other engine manufacturers.
VGT Turbo from Cummins Turbo Technologies – This patented design is widely recognized as an industry performance leader. The refined design improves responsiveness in the B6.7 while an upgraded bearing system increases overall robustness. The VGT Turbo is a key element in providing increased fuel economy and exceptional braking horsepower
Connected Diagnostics™ – Wirelessly connect your engine to Cummins through a telematics device for immediate diagnosis of a fault alert. Within seconds, Connected Diagnostics provides a clear recommendation for continued operation or the need for service.
High Pressure Common Rail (HPCR) Fuel System – Delivers superior performance even in lower engine rpm ranges. Enables multiple injection events per cycle, for improved fuel efficiency with quieter, smoother operation.
Air Handling System – A more robust Exhaust Gas Recirculation (EGR) cooler and valve enhance thermal efficiency and reliability.
Single Module Aftertreatment From Cummins Emission Solutions – Combines high-efficiency SCR, a more reliable dosing unit and a DPF into a single flow-through unit. It is up to 70 percent smaller, so it’s easier to install, and as much as 30 percent lighter than the aftertreatment units it replaces. Better heat management improves fuel efficiency and minimizes periodic maintenance.
Fuel Filters And Lube Filters From Cummins Filtration – Fleetguard® filters protect against corrosion and contaminants with innovative NanoNet® technology. NanoNet media provides 10 times better protection than conventional fuel filters for lower cost of operation.
Single High-Capacity Electronic Control Module (ECM) – Offers higher capacity for faster processing of more information, fully integrated control over the engine and aftertreatment system for optimized performance and improved engine lamp strategy.
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