John Deere 6068HFG82 Engine

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Shared across brands: Doosan, Kohler

How to read your John Deere engine serial & model number →

• Unit shuts down
  Fix: Check DC supply voltage is not above 35 Volts or below 9 Volts. Check the operating temperature is not above 70°C. Check the DC fuse.
• Unit is inoperative
  Fix: Read/Write configuration does not operate Check the battery and wiring to the unit. Check the DC supply. Check the DC fuse.
• Starter motor inoperative
  Fix: Check wiring to starter solenoid. Check battery supply.
• Pre-heat inoperative
  Fix: Check wiring to engine heater plugs. Check battery supply. Check battery supply is present on the Pre-heat output of module. Check pre-heat configuration is correct.
• No fuel
  Fix: Check fuel in tank and manual shut-off valve.
• Module appears to 'revert' to an earlier configuration
  Fix: When editing a configuration using the PC software it is vital that the configuration is first 'read' from the controller before editing it. This edited configuration must then be 'written' back to the controller for the changes to take effect. When editing a configuration using the fascia editor, be sure to press the Auto Mode button to save the change before moving to another item or exiting the fascia editor.
• Low coolant temperature
  Fix: Remove and check thermostat.
• Lack of power
  Cause: Engine overloaded.
  Fix: Reduce load.
• Injection pump shut-off not reset
  Fix: Turn key switch to 'OFF' then to 'ON'.
• Injection pump not getting fuel or air in fuel system
  Fix: Check fuel flow at supply pump or bleed fuel system.
• Incorrect reading on Engine gauges
  Fix: Fail to stop alarm when engine is at rest Check engine is operating correctly. Check that sensor is compatible with the module and that the module configuration is suited to the sensor.
• Inaccurate generator measurements on controller display
  Fix: Check that the CT primary, CT secondary and VT ratio settings are correct for the application. Check that the CTs are wired correctly with regards to the direction of current flow (pt, p2 and s1, s2) and additionally ensure that CTs are connected to the correct phase (errors will occur if CT1 is connected to phase 2). Remember to consider the power factor (kW = kVA x powerfactor). The controller is true RMS measuring so gives more accurate display when compared with an 'averaging' meter such as an analogue panel meter or some lower specified digital multimeters. Accuracy of the controller is better than 1% of full scale. Generator voltage full scale is 415V ph-N, accuracy is ±4,15V (1% of 415V).
• Generator fails to start on receipt of Remote Start signal.
  Fix: Check Start Delay timer has timed out. Check signal is on 'Remote Start' input. Confirm correct configuration of input is configured to be used as 'Remote Start'. Check that the oil pressure switch or sensor is indicating low oil pressure to the controller.
• Fuel filter plugged or full of water
  Fix: Replace fuel filter or drain water from filter.
• Faulty injection pump or nozzles
  Fix: Consult authorized diesel repair station for repair or replacement.

Compiled from service & troubleshooting documentation across every generator set that uses the John Deere 6068HFG82.

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

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.

• Fuel filter (primary): Kohler GM50006 Kohler GM48727 Kohler GM50074 John Deere AT433554 John Deere RE522688 John Deere RE62420 John Deere DQ24057 John Deere AT274723
• Oil filter: Kohler GM32809 Kohler 360031 Kohler 223604 Kohler ED0021752840S Kohler 223673 John Deere RE519987 John Deere RE555072 John Deere DZ118286

Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.

• John Deere 200C LC — Excavator
• John Deere 2054 — Logger
• John Deere 230C LC — Excavator
• John Deere 230CLC — Excavator
• John Deere 230LC — Excavator
• John Deere 2554 — Logger
• John Deere 270C LC — Excavator
• John Deere 270CLC — Excavator
• John Deere 460DC — Skidder
• John Deere 540G — Skidder
• John Deere 540G III — Skidder
• John Deere 9410 — Combine

Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.