Cummins QST30 shares the proven power cylinder design of our QSK78 engine, for reliability and durability you can count on. Here are some of the heavy-duty components that make the QST30 the right choice for your applications:

• Holset HX60 Turbochargers – Designed for improved air handling with an extended life-to-rebuild.
• Full-Authority Electronic Controls – Quantum System electronic engine management provides engine control and monitoring for superior performance, fuel efficiency, diagnostics and prognostics. Programmable parameters let you customize engine performance to equipment use, including:
  • Min/Max Governor
  • All-Speed Governor
  • Engine Protection
  • Multilevel Security
  • Switched Derate
  • Multiunit Synchronization
  • Programmable Intermediate Speeds
  • Remote Throttle
  • Load Profile Monitor
  • Low Idle Controls
  • Ambient Condition Derate
  • Tailshaft Governor
  • Engine Start-Up Speed Limiter
  • And much more
• Ductile Iron Pistons – Provide increased strength and durability to handle increased cylinder pressures for longer life-to-overhaul while allowing higher ratings over larger displacement engines with aluminum pistons.
• Bosch RP39 Fuel Pump – Highly reliable, highly durable. Provides the higher injection pressures needed for higher horsepower with lower emissions.
• Advanced Valve Metallurgy – Exhaust valves are stelite-faced for longer life. Intake valves have a Nitride coating, with triballoy valve seats and chrome stems for reduced wear.
• High-Capacity Oil Pump and Pan – Provide superior lubrication for longer component life and extended service intervals.
• Swirl-Port Cylinder Head – Provides advanced airflow to reduce emissions and increase low-end torque.
• Electric Fuel Lift Pumps – Eliminate the need for manual priming of the fuel system and provide for quicker, more reliable starts.
• Prelub Starter – Prevents starts without oil pressure and dry starts, resulting in increased life-to-rebuild.
• Flexplate Coupling – Factory-engineered for direct mounting of Allison DP 8962 and S 9800 transmissions.

Options include:

• CENTINEL™ – The Advanced Engine Oil Management System from Cummins, totally eliminates oil changes when used in conjunction with an oil quality program.
• CENSE™ Advanced Engine Monitoring – Allows you to monitor engine performance cylinder by cylinder on a real-time basis. Also provides trending charts for preventive maintenance planning.
• Grid Heater Option – Eliminates the need for ether and will start the engine down to -20 degrees Fahrenheit.