PRODUCT Detail
Every Start.
Reliable, durable and the most fuel-efficient engine in the industry, Cummins ISB platform has been a mainstay of the RV industry for years.
We’ve kept what has made this engine so successful and enhanced it. The ISB6.7 features a High Pressure Common Rail (HPCR) fuel injection system that enables multiple injection events per cycle for cleaner, quieter and more complete combustion. The proprietary VGT™ Turbocharger has been improved as well for strong throttle response and dependability.
A 90% reduction in NOx has been achieved through the addition of SCR to the Cummins Aftertreatment System. This has allowed us to reduce the amount of cooled EGR into the power cylinder and recalibrate the ISB6.7 for greater responsiveness while maintaining our fuel economy leadership.
And that’s just a few of the features the ISB6.7 has to offer. It is designed to keep your maintenance to a minimum while delivering big performance results.
All backed by the best customer support in the business.
Plus, you get exclusive Cummins programs like Coach Care™ to meet your service needs as you travel across North America in your motorhome. All backed by the most extensive customer support network in North America.
For Cummins-branded merchandise, electronic tools, literature and more, visit our PowerStore web site.
Advertised Horsepower | 200-360 hp | 150-268 kW |
Peak Torque | 520-800 lb-ft | 705-1085 N•m |
Governed Speed | 2600/2800 rpm | |
Clutch Engagement Torque | 400 lb-ft | 542 N•m |
Number of Cylinders | 6 | |
Oil System Capacity | 4 U.S. gallons | 15 liters |
System Weight | 1,340 lb | 608 kg |
Engine (Dry) | 1,150 lb | 522 kg |
Aftertreatment System* | 190 lb | 86 kg |
*Increase over standard muffler and does not include chassis OEM-supplied components
- VGT™ Turbocharger – Enhanced response and control with electric actuation for an infinite adjustment, providing exact boost across the operating range. Sliding-nozzle design increases reliability and durability.
- Lowest Cost Of Operation – Reduced maintenance, long service intervals and the best fuel efficiency of any engine in its class add up to superior lifetime value.
- HPCR Fuel System – Delivers a precise mixture of fuel and air at a constant pressure, regardless of engine rpm. This flexibility in injection timing allows multiple injection events per cycle.
- Cooled EGR – Next-generation system lowers combustion temperatures for reduced emissions and optimized fuel economy.
- Fully Integrated Electronic Controls – A single, higher-capacity Electronic Control Module (ECM) controls everything from air intake to exhaust aftertreatment for peak performance and near-zero emissions.
- Cummins Aftertreatment System – The proven Cummins Particulate Filter reduces particulate matter by over 90%. In 2010 it is combined with Cummins Selective Catalytic Reduction (SCR) to meet emission standards while maintaining best-in-class performance, reliability and durability.
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