
L9 For Motorhomes (2017)
Power
300 - 450 hp
Torque
860 - 1250 lb-ft
Certification
EPA 2017
Applications
PRODUCT Detail
Overview
Specifications
Features
Brochures
You deserve a diesel. Building on a legacy of proven reliability, the L9 for 2017 and newer products features a Single Module™ aftertreatment, reliability improvements and even longer extended coverage options.
Configuration | Inline 6 | |
Displacement | 543 CU IN | 8.9 L |
Lube Oil Capacity | 24-28 QT | 23-26 L |
Idle Speed | 700-800 RPM | |
Optional Compression Brake | Up to 370 HP @ 2600 RPM | |
No Load Governed Speed | 2400 RPM | |
Engine Weight (Dry) | 1,695 LB | 769 KG |
Aftertreatment Weight | 132-179 LB | 60-81 KG |
Injection Pressure | 32,000 PSI | |
Biodiesel Compatibility | Up to B20 |
- American Ingenuity – It’s designed in Indiana and built in North Carolina, for maximum reliability.
- Proven Performance – Building on a legacy of over 5 million C/L Series engines built, with over 30 years of continuous improvement, for total confidence.
- Better Downhill Control – With the VGT exhaust brake and optional compression brake, you get up to 370 hp braking.
- Best Power-to-Weight Ratio In Motorhomes – Leaving more capacity for what you want to bring.
- More Room for Your Gear – Cummins new Single Module aftertreatment weighs up to 30 percent less and is 70 percent smaller than the previous aftertreatment, with improved efficiency.
- Longer Life – Heavy duty design with updated replaceable wet cylinder liners and roller cam followers.
- Peace of Mind – With a standard 5-year/100,000-mile base warranty and optional full engine coverages up to eight years, we’ve got you covered.
- Cummins on Every™ Corner – Over 3,500 authorized locations across North America, to support parts and service needs
- One Source for Service – Your local distributor supports both Cummins engines and Cummins Onan® generators.
- World-Class Support – Call 1-800-CUMMINS™ (1-800-286-6467) for answers to your questions and support for your service needs.
- Connected Solutions – Combine with QuickServe® Online Mobile, Cummins Fault Advisor and Connected Diagnostics,™ for even better support.
- Cummins Guidanz – use your smartphone to talk to your engine and download fault information.

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