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.

Designed For The Fire Service

  • Better Pump Control – Customized design includes a fire pump governor interface
  • No Derates – Regeneration or emissions-related faults do not affect power output when you need it.
  • One Source for Service – Your local distributor supports both Cummins engines and Cummins Onan® generators.

Performance

  • VGT® Turbocharger – Delivers faster engine warm-up, enhanced engine braking horsepower and improved throttle response
  • Wide Range of HP Ratings – From 270 hp to 450 hp
  • Best Power-to-Weight Ratio in Emergency Vehicles

Reliability

  • Building on a legacy of over 5 million L Series engines built
  • 30 years of continuous improvement, for total confidence
  • 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

 

What's New for Fire/EV 2021?

NOTE: For all engines and options available, horsepower may be limited by the truck OEM

REPTO - Available - Torque limit of 435 lb-ft continuous, 520 lb-ft intermittently, gear drive ratio is 1.15:1, rotation is opposite of the crankshaft

FEPTO - Available - Torque limit up to 210 lb-ft

 

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
  • Cummins on Every™ Corner – Over 3,500 authorized locations across North America, to support parts and service needs.
  • Peace of Mind – Base warranty backed by Cummins for a full 5 years/100,000 miles, whichever comes first. Up to 8 years of optional full engine coverage, including injectors.
  • Cummins Guidanz™ and INLINE™ Mini – Read real time engine data and email fault information from your smart phone to speed up the repair process.
  • QuickServe™ Online Mobile – Provides complete parts and service information based on specific ESNs.
  • Connected Diagnostics™ – Wirelessly connects Cumminspowered emergency vehicles to product experts at Cummins for immediate diagnosis of an engine system fault.
  • Easier Maintenance – The compact design of the X12, together with easy service points for scheduled maintenance increases uptime.
  • Get the Latest – Need more information about the Cummins X12 engine or Cummins Onan generators? Visit www.cummins.com/engines/fire-and-emergency. You can also stay up to date with quarterly articles in the First Responder newsletter at firstresponder.cumminsnewsletters.com.
     
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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