ISL9 for Fire & Emergency (EPA 2010)

Power 345 - 450 hp
257 - 336 kW
Torque 1150 - 1250 lb-ft
1559 - 1695 N•m
Certification EPA 2010

Overview:

Ready to Respond. Every Call. ISL9 for EPA 2010.

More of a good thing. That’s what you get with the Cummins ISL9 EPA 2010 engine. You can expect the same high level of performance and reliability that ISL owners currently get, keeping you ready to respond, every call.

The ISL9 has one of the highest power-to-weight ratios in its class, with heavy-duty features like replaceable wet liners. It features the XPI fuel system – the same technology that’s used on the ISX15. This, combined with an improved Electronic Control Module (ECM) and improved airflow allows the ISL9 to run stronger and with greater responsiveness than ever before.

Adding proven Selective Catalytic Reduction (SCR) technology to our aftertreatment system with cooled EGR and the Cummins Particulate Filter results in an engine that delivers near-zero emissions without compromising the performance of your mid-size fire apparatus.

More information on the maintenance intervals for this engine are available online or by speaking with your Cummins representative.

Advertised Horsepower  345-450 hp  257-336 kW 
Peak Torque  1150-1250 lb-ft  1561-1696 N•m 
Governed Speed 2100 rpm (2200 rpm for 400 hp and 450 hp ratings) 
Clutch Engagement Torque  550 lb-ft  746 N•m
Number of Cylinders  6  
Oil System Capacity  6.3 U.S. gallons  23.85 liters 
System Weight  1,895 lb  859 kg 
Engine (Dry) 1,695 lb  769 kg 
Aftertreatment System*  200 lb 90 kg 

*Increase over standard muffler and does not include chassis OEM-supplied components.

Engine Model  Advertised HP  Peak Torque  Governed Speed 
ISL9 345  345  1150 @ 1400  2100
ISL9 370  370 1250 @ 1400  2100
ISL9 400*  400   1250 @ 1400  2200
ISL9 450*  450  1250 @ 1400  2200

*Restricted

XPI Fuel System – The proven technology of the XPI common-rail fuel system delivers a precise quantity of fuel at ultra-high pressures. This, together with more robust electronic engine controls, enables multiple injection events per cycle. Flexibility in injection timing maximizes fuel economy and performance while decreasing exhaust emissions.

Heavy-Duty Design – Rugged features include replaceable wet liners, roller followers, by-pass oil filtration and targeted piston cooling for longer service in the toughest work environments.

VGT™ Turbocharger – The Cummins VGT Turbocharger is both simple and precise. Electric actuation allows infinite adjustment, providing the exact amount of boost necessary for superior response. The proven sliding-nozzle design has best-in-class reliability and durability.

Cooled EGR – This next-generation system lowers combustion temperatures for reduced emissions and optimized fuel economy.

Fully Integrated Electronic Controls – A single higher-capacity ECM controls everything from air intake to exhaust aftertreatment for peak performance and near-zero emissions.

Cummins Aftertreatment System – The proven Cummins Particulate Filter reduces particulate matter by over 90%. In 2010 it is combined with Cummins SCR to meet emissions standards while maintaining best-in-class performance, reliability and durability. Cummins SCR technology has been proven in over 200,000 European vehicles and uses Diesel Exhaust Fluid (DEF) to achieve NOx emissions at near-zero levels. DEF will be readily available; reference Cummins Filtration flyer LT15618 for more information.
Maintenance Item  Miles/Kilometers  Hours  Months 
Oil and Filter*  15,000 mi
24,000 km 

500

Primary Fuel Filter**  15,000 mi
24,000 km 

500 

Secondary Fuel Filter  30,000 mi 
48,000 km
 

 1,000

12 

Coolant Filter  None***  None***  None*** 
Overhead Adjustment 150,000 mi  241,500 km 

 5,000

 48

Standard Coolant Change****  80,000 mi 
128,000 km

2,000 

24 

Coalescing Filter  Every 3rd to 4th Oil Change Interval
DEF Filter 200,000 mi 320,000 km     
Particulate Filter
Cleaning
200,000 mi (320,000 km) or 6,500 hours

*Assuming normal duty cycle for fire/emergency vehicle applications.
**OEM-supplied; intervals may vary.
*** If engine is equipped with an optional coolant filter, it will need to be replaced on the same intervals as the oil filter. Regardless if the engine is or is not equipped with a coolant filter, SCA/DCA additive levels must be checked according to the interval listed in the Owners Manual.
**** Extended coolant and drain/flush/fill intervals may be followed when certain requirements are met. For more information on these requirements, refer to Cummins Coolant Requirements and Maintenance Service Bulletin 3666132.



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