HomeEnginesGarrett/Airesearch IE831-800

Garrett/Airesearch IE831-800 Engine Engine

The Garrett/Airesearch IE831-800 is a open cycle, single shaft constant speed gas turbine engine rated at 41730 rpm. It powers generator sets from Cummins/Onan, including the GT. It holds 50 L (13.2 gal) of coolant.

Also known as: Garrett/Airesearch IE831-800

41730 rpm
Rated speed

Engine specifications

Coolant capacity50.0 L
AspirationOpen cycle, single shaft constant speed gas turbine
Rated speed41730 rpm

Generator sets powered by this engine

1

Common problems

14
  • Turbine lights off, but flames out.
    Cause: Fuel system malfunction.
    Fix: See cause and remedy above. Check compressor air line for leaks.
  • Starter does not crank turbine.
    Cause: Operation selector switch not in 'RUN' position.
    Fix: Place switch in appropriate position.
  • Starter cranks, but does not disengage.
    Cause: Compressor discharge pressure switch inoperable.
    Fix: Replace switch.
  • Starter cranks turbine, but combustion does not occur.
    Cause: Ignition system malfunction.
    Fix: See Ignition System Troubleshooting.
  • Plugged fuel filters.
    Fix: Replace filter elements.
  • No light-off.
    Cause: No fuel.
    Fix: Check fuel supply. Check manual shut-off valve. Excessive moisture in fuel system or dirty filter elements. Replace filter elements and purge fuel system. Fuel system components or circuits defective. Contact service representative.
  • No light off.
    Cause: No fuel.
    Fix: Check fuel supply; replenish if necessary.
  • Minimum fuel setting too low.
    Fix: Adjust minimum fuel setting on fuel control valve to higher setting (contact service representative).
  • Loose fuel connection.
    Fix: Tighten fuel connections as required.
  • Fuel system components or circuits defective.
    Fix: Contact service representative.
  • Excessive water in fuel system.
    Fix: Check tank and remedy.
  • Excessive air in fuel system.
    Fix: Repair condition that caused air to enter fuel system, bleed fuel system.
  • Day tank fuel level low.
    Fix: Check float valve.
  • Contaminated fuel supply.
    Fix: Clean and refill fuel tank. Replace filter elements.

Compiled from service & troubleshooting documentation across every generator set that uses the Garrett/Airesearch IE831-800.

Maintenance schedule

ItemSpecCapacityPart #Interval
Fuel filter3000 hr find
Oil filter500 hr find
Belt find
Oil13.0 gallons500 hr

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Common questions

Which generators use the Garrett/Airesearch IE831-800 engine?

The Garrett/Airesearch IE831-800 powers 1 generator set(s), including Cummins/Onan GT.

How often should you change the oil in the Garrett/Airesearch IE831-800?

The Garrett/Airesearch IE831-800 oil change interval is every 500 hours.

What is a common problem with the Garrett/Airesearch IE831-800 engine?

A commonly reported issue on generators using the Garrett/Airesearch IE831-800 is: Turbine lights off, but flames out.. Cause: Fuel system malfunction.. Fix: See cause and remedy above. Check compressor air line for leaks..