2003 Cummins ISX
Heavy-Duty Engine Benchmarking Program



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Contact Information

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Contact us:
ae-contact@swri.org

Tim Callahan
Staff Engineer
Engine, Emissions and Vehicle Research
(210) 522-6890
tcallahan@swri.org

Robert Burrahm
Assistant Director
Office of Automotive Engineering
(210) 522-3064
rburrahm@swri.org

2003 Cummins ISX Benchmarking Report

The Model Year 2003 Cummins ISX engine assessment includes the following data:

  • Steady-state mapping at 21 speed/load conditions, including:
    • Gaseous and particulate emissions
    • Fuel consumption and efficiency
    • Fuel injection schedule
    • EGR rates and VGT position
    • Heat rejection
      • EGR cooler
      • Aftercooler
      • Total engine coolant
  • Step-transient tests with:
    • Torque rise rate
    • NOx and smoke opacity
    • Actuator response
    • Injection timing
  • 300-hr durability assessment with:
    • Oil consumption measurement
    • Oil degradation and fuel dilution
    • Wear and additive metals in the oil
  • Engine disassembly and inspection:
    • Critical dimensions
    • Exhaust treatment system description
    • Subsystem and component descriptions
    • Photographs of components
  • Air flow testing of head
    • Port flow coefficients
    • Swirl

Price: $25,000

Related Terminology

2003 Cummins ISX  •  heavy-duty diesel engines  •  benchmarking  •  engine data sets  •  engine benchmarking  •  engine testing  •  competitive intelligence

Benefiting government, industry and the public through innovative science and technology
Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 9 technical divisions.
04/22/14