Cummins ISM

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The Cummins ISM is an inline six cylinder, 10.8 litre diesel engine. Cummins introduced their Interact System electronic controls to the M11 in 1998. Other changes to the engine included dual-pulse fuel injection and a redesigned piston bowl. The updated engine was called the ISM.

In 2002, cooled EGR, a variable geometry turbocharger, and electronic fuel injection were added to the ISM to help meet EPA 2004 standards. To meet the lower particulate matter level for EPA 2007, a particulate filter was made standard.[1] On July 20, 2010 the ISM was retired from on-highway use in North America.[2] It was replaced by the Cummins ISX11.9 (now known as the ISX12). The ISMe (Euro model) is still available to Euro 5 standards.

Models

Model Max. power Max. revs Max. torque Emmissions certifications
ISM 280 280 hp 2100 rpm 925 lb-ft @ 1200 rpm EPA 2004, EPA 2007
ISM 330 330 hp 2100 rpm 1150 lb-ft @ 1200 rpm EPA 2004, EPA 2007
ISMe 305-410 hp 1900 rpm 2010 Nm Euro 2
ISMe 335-420 hp 1900 rpm 2010 Nm Euro 3
ISMe 350-445 hp 1900 rpm 2100 Nm Euro 4, Euro 5

References

  1. EPA 2007 Cummins ISM overview. Cummins Inc. Retrieved on 15 June 2009.
  2. Cullen, David (24 September 2007)Cummins: No SCR for 2010 heavy-duty engines. FleetOwner. Retrieved on 14 June 2009
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Cummins logo.png
Current products
Diesel B6.7 - L9 - X12 / X15
CNG ISB6.7 G - ISL G - ISX12 G
Former products
Diesel ISB6.7 - ISL9 - ISX12 / ISX15 B5.9 - C8.3 - ISC - ISM - L10 - M11 - NH Series - VTB-903
CNG B5.9G - B Gas Plus - C8.3G - L10G - C Gas Plus - L Gas Plus
Propane B LPG Plus