L9 for Fire & Emergency Vehicles (2017)

Power 270 - 450 hp
201 - 336 kW
Torque 800 - 1250 lb-ft
1085 - 1695 N•m
Certification EPA 2017

Overview:

Redefining Performance.

2017 L9 For Emergency Vehicles.

Fire and emergency vehicles are all about performance, readiness and reliability. Those three factors are what continue to make Cummins L9 the leading choice for first responders across North America.

Idle Speed 700-800 rpm  
Engine Braking Horsepower Up to 370 hp @ 2600 rpm  
No Load Governed Speed 2400 rpm  
Number of Cylinders 6  
Engine Weight (Dry)
Engine Weight (Wet)
1,695 lb
1,770 lb
769 kg
803 kg
Aftertreatment Weight 132-179 lb 60-81 kg
Injection Pressure 32,000 psi  
Engine Model Advertised hp (KW)

Governed
Speed

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 370 370 (276) 2100 1250 (1695) @ 1400
L9 350 350 (261) 2200 1000 (1356) @ 1400
L9 330 330 (246) 2200 1000 (1356) @ 1300
L9 300 300 (224) 2200 860 (1166) @ 1300
L9 270 270 (201) 2200 800 (1086) @ 1300
  • Designed for Fire Service – Customized design includes a fire pump governor interface, and no derates for emissions related faults
  • Proven Performance – Building on a legacy of over 5 million L Series engines built, with 27 years of continuous improvement, for total confidence
  • Best Power-to-Weight Ratio in Emergency Vehicles – Lighter weight allows for flexibility in cab features
  • Single Module™ Aftertreatment – Up to 30 percent less weight with up to 70 percent less space than previous designs; UL2 dosing system improves reliability and efficiency
  • Heavy-Duty Engine Components – Replaceable wet cylinder liners and roller followers, for added durability and longevity
  • VGT® Turbocharger – Delivers faster engine warm-up, enhanced engine braking horsepower and improved throttle response
  • Cummins on Every™ Corner – Over 3,500 authorized locations across North America to support parts and service needs
  • Heavy-Duty Warranty – 5-year/100,000-mile coverage, for peace of mind
  • Integrated Solutions – Simplified single-source service by coupling with Cummins Onan® hydraulic or PTO generators
  • Cummins Care – 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
Maintenance Item Miles/Kilometers Hours Months
Oil and Filter 15,000 mi 24,000 km 500 6
Fuel Filter 15,000 mi 24,000 km 500 6
Overhead Adjustment 150,000 mi
240,000 km
5,000 48
Coalescing Filter 60,000 mi
96,000 km
2,000  

Consult your Operation and Maintenance Manual for more information.



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