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

Select an Application

Overview Medium-Duty Truck Fire & Emergency Motorhome & RV Engines Motorcoach School Bus Transit Bus Truck Equipment Manufacturers and Body Builders

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