Kubota V3800TIEF4B-COHE-1 Engine

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• The starter rotates normally but the engine does not start
  Cause: Fuel filter clogging
  Fix: Disassemble, clean, and change
• The engine does not reach the rated revolution speed
  Cause: Faulty engine controller
  Fix: Call your nearest dealer
• Oil mixes in air (poor oil separation)
  Cause: Scavenging orifice strainer clogging
  Fix: Disassemble/Clean
• Low starter revolution speed
  Cause: Faulty battery
  Fix: Check battery — Charge
• It is indicated that engine oil pressure is abnormal, and engine stops
  Cause: Engine oil shortage
  Fix: Replenish oil
• High water temp. warning/shutdown
  Cause: Radiator clogging
  Fix: Clean
• Safety valve relieves at unload
  Cause: Pressure regulator insufficient adjustment
  Fix: Re-adjust (loosen)
• Insufficient free air delivery
  Cause: Air filter element clogging
  Fix: Clean or change of element
• If the discharge pressure will not increase to the specified one, RPM will drop
  Cause: Pressure regulator insufficient adjustment
  Fix: Re-adjust (Fasten)
• Water found mixed in air (Condensate separation malfunctioned.) For after-cooler type only
  Cause: Clogging of silencer at after cooler drain outlet
  Fix: Disassemble/Clean/Change
• The discharge air pressure will not rise
  Cause: Pressure regulator insufficient adjustment
  Fix: Re-adjust (Fasten)
• Engine does not reach minimum revolution at unload
  Cause: Faulty engine controller
  Fix: Call your nearest dealer
• Private house A150835
• Please read the handling of the work tools often used. TRO303A
• Piping or the hose from this machine service valve should use what can be borne enough for the discharge pressure of this machine. TRO088

Compiled from service & troubleshooting documentation across every generator set that uses the Kubota V3800TIEF4B-COHE-1.

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

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

• Air filter: Donaldson P600975 Donaldson P608533 Wix 49276 Baldwin PA5451 Wix 49275 Baldwin CA5450
• Fuel filter: Kubota 1G39043170 Donaldson P550643 Wix WF10384 Baldwin BF7907
• Oil filter: Kubota 1641432434 Donaldson P550318 Wix 51307 Ac Delco AC09 Baldwin B40073

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

• Dieci AGRI FARMER 30.7 GD — Telehandler
• Dieci AGRI FARMER 30.9 GD — Telehandler
• Dieci ICARUS 40.14 GD — Telehandler
• Dieci ICARUS 40.17 GD — Telehandler
• Kubota M100GXII — Tractor
• Kubota M105GXIV — Tractor
• Kubota M5092 — Tractor
• Kubota M5112 — Tractor
• Kubota M95GXIV — Tractor
• Kubota SVL952S — Loader Compact Tracked
• Merlo 38.16 S — Telehandler
• Merlo P28.8 — Telehandler

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.