John Deere 6090HFS86 Engine

The cheapest captured merchant offer per filter — see the full cross-reference below for every OEM/aftermarket option.

Prices captured from merchant listings; some links are affiliate links. Verify against your serial number before ordering.

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

• Undercharged system
  Cause: Excessive electrical load from added accessories.
  Fix: Remove accessories or install higher output alternator.
• Turbocharger not functioning
  Fix: See your authorized servicing dealer or engine distributor.
• Tire Size Invalid 001069
  Fix: Contact Servicing Dealer
• Tire Size Error 001079
  Fix: Contact Servicing Dealer
• Sulfated or worn-out batteries
  Fix: See your authorized servicing dealer or engine distributor.
• Stretched poly V-belt or defective belt tensioner
  Fix: Check automatic belt tensioner and check belts for stretching. Replace as required.
• Starter will not crank
  Cause: Engine under load.
  Fix: Remove load.
• Sensor Supply 1 Voltage Low 001080
  Fix: Check Wiring
• Sensor Supply 1 Voltage High 001080
  Fix: Check Wiring
• Security Violation 002000
  Fix: Contact Servicing Dealer
• Restricted fuel hose
  Fix: Clean or replace fuel hose.
• Restricted crankcase vent tube
  Fix: Clean vent tube.
• Requested Torque Curve Signal Unreliable 001568
  Fix: Contact Servicing Dealer
• Poor electrical connections on battery, ground strap, starter, or alternator
  Fix: Inspect and clean as necessary.
• Oil leaks
  Fix: Check for leaks in lines, gaskets, and drain plug.

Compiled from service & troubleshooting documentation across every generator set that uses the John Deere 6090HFS86.

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

• Air filter: John Deere RE587794 John Deere 4S00686R John Deere AH115833 John Deere F071151 John Deere F071150 John Deere AH148880 John Deere RE67828 John Deere RE67829
• Fuel filter: John Deere N378886 John Deere AR103220 John Deere RE522688 John Deere AT365869 John Deere RE539465 John Deere AE20952 John Deere RE522689 John Deere AT223493
• Oil filter: John Deere RE538245 Donaldson P550938 Wix 51370

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

• John Deere 4930 — Sprayer
• John Deere 7250 — Harvester
• John Deere 8230T — Tractor Tracked
• John Deere 8295RT — Tractor Tracked
• John Deere 8310RT — Tractor Tracked
• John Deere 8320RT — Tractor Tracked
• John Deere 8330T — Tractor Tracked
• John Deere 8335RT — Tractor Tracked
• John Deere 8345RT — Tractor
• John Deere 8360RT — Tractor Tracked
• John Deere 8430T — Tractor Tracked
• John Deere R4045 — Sprayer

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.