L9 For Motorhomes (2017)

Overview

L9 For Motorhomes (2017)

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.

Cummins L9 Features And Benefits.

  • 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 longer service brake life.
  • 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 CumminsOnan® 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.
  • INSITE™ Mobile – This app enables downloading of critical engine and operational data to mobile devices, for accurate reporting.

Specifications

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

Engine Finder Specifications

Markets
Certification Level EPA 2017
Power 300 - 450 hp / 224 - 336 kW
Torque 860 - 1250 lb-ft / 1166 - 1695 N•m

Ratings

Engine Model Advertised HP (kW) Governed Speed (RPM) Peak Torque LB-FT (N•M) @ RPM
L9 450 450 (336) 2200 1250 (1695) @ 1400
L9 400 400 (298) 2200 1250 (1695) @ 1400
L9 380 380 (283) 2200 1150 (1559) @ 1400
L9 350 350 (261) 2200 1000 (1356) @ 1400
L9 330 330 (246) 2200 1000 (1356) @ 1400
L9 300 300 (224) 2200 860 (1166) @ 1300

Maintenance

Maintenance Item Miles/Kilometers Hours Months
Oil and Filter 20,000 MI
32,000 KM
500 12
Fuel Filter 20,000 MI
32,000 KM
500 12
Overhead Adjustment 150,000 MI
240,000 KM
5,000 48
Coalescing Filter 60,000 MI
96,000 KM
2,000  
Consult your chassis and engine Owners Manuals for more information.

Brochures Available

Title Bulletin Number Request View  
2017 L9 For Recreational Vehicles Flyer 5410638 Request View  Download
2017 RV / EV Extended Coverage TriFold Brochure 5410639 Request View  Download