Kubota V3800TIEF4B-COHE-1 Engine Engine

Shared across brands: Airman, Kubota

• The engine does not reach the rated revolution speed.
  Cause: (1) Faulty engine controller (2) Clogging of the unloader orifice (3) Trouble of emergency controller (4) Engine trouble. (5) Fuel filter clogging
  Fix: (1) Call your nearest dealer (2) Disassemble/Clean (3) Call your nearest dealer (4) Call your nearest dealer (5) Disassemble/Change
• The discharge air temperature sensor is defective.
  Cause: (1) Oil cooler clogging (2) Oil filter clogging (3) The discharge air temperature sensor is defective (4) Loosened or disconnected wiring or connector
  Fix: (1) Clean (2) Change (3) Disassemble/Check (4) Check/Fasten
• Separator outlet air temperature sensor is disconnected.
  Fix: [Operation speed: less than PDS400,PDSF375: 1,000min? / PDSG310: 1,150min?] Displayed when the separator outlet air temperature sensor is disconnected.
• 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
• PARKED REGENERATION is required.
  Cause: The engine temperature is not high enough, water temp below 158°F (70°C).
  Fix: Let the unit warm up until the water temperature will be above 158°F (70°C).
• Insufficient free air delivery.
  Cause: (1) Air filter element clogging (2) Unloader valve cannot fully open
  Fix: (1) Clean or change of element (2) Call your nearest dealer
• High Exhaust System Temperature (HEST) indicator [A] is ON.
  Fix: The machine shifts to regeneration operation. Hold the 'REGEN' button to start manual regeneration.
• Fully-close Fully-open Half-open of service valve could cause cracks of valve seat and air leaks. Be sure to use as full-close or full-open, not to use as half-open. A150841
• Failure has occurred, please be repaired by referring to the SPN & FMI i repair. spn 129456
• Exhaust pipe PC002
• Engine speed is slow down.
  Fix: [Operation speed: less than PDS400,PDSF375: 1,000min? / PDSG310: 1,150min?] Displayed when the air temperature sensor at the outlet port of compressor air end is disconnected.
• Engine speed down is abnormal, and engine stops.
  Cause: (1) Malfunction controller. (2) Loose wiring connectors and disconnection
  Fix: (1) Change (2) Check/Retighten
• Engine oil pressure drops.
  Fix: [The function pressure: 14PSI.] Displayed when engine oil pressure drops.

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 Wix 49275
• Fuel filter: Kubota 1G39043170 Donaldson P550643 Wix WF10384
• Oil filter: Kubota 1641432434 Donaldson P550318 Wix 51307 Ac Delco AC09

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.