Yanmar 4TNE88 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 Yanmar engine serial & model number →

Fault codes

Fault codes and symptom→remedy steps extracted from this engine’s service/owner documentation; verify against the official manual before servicing.

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

• Adjusting the no-load maximum (or minimum) revolutions
• Adjusting the valve head clearance
• Checking and adjusting the fuel injection timing (indirect injection system)
• Checking the battery
• Checking the cooling water system and radiator for water leakage
• Checking the L.O. pressure switch
• Checking the oil cooler
• Checking the piston cooling nozzle
• Checking the spray patterns of the fuel injection valve
• Checking the thermostat and thermoswitch
• Checking the V-belt tension
• Honing with the Flex-Hone
• Insertion of valve seat
• Measuring the compression pressure
• Measuring the injection pressure of the fuel injection valve
• Nozzle valve sliding test
• Reassembly precautions
• Replacing the valve guide
• Valve seat correction procedure
• Waste gate valve adjusting method

Step-by-step procedures compiled from the Yanmar service manual for this engine.

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: Yanmar 12993512520J Yanmar 12908712510 Yanmar 12906212560L Yanmar 12905112530 Donaldson P532410 Donaldson P827653 Donaldson P821575 Donaldson P822768
• Fuel filter: Yanmar 12910055650 Yanmar 11900055602 Yanmar 12185755710 Donaldson P502161 Donaldson P550048 Donaldson P550390 Wix 33507 Baldwin PF717
• Oil filter: Yanmar 12915035151 Yanmar 12915035170 Yanmar 12935035150 Donaldson P502007 Donaldson P550162 Donaldson P550935 Wix 51356 Ac Delco AC028

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

• Hyundai HSL610 — Skid Steer Loader
• Hyundai HSL810 — Skid Steer Loader
• John Deere 1600 — Lawn Equipment
• John Deere 1620 — Lawn Equipment
• John Deere 4700 — Tractor
• John Deere 4710 — Tractor
• Komatsu PC50UUX — Excavator Tracked
• Landini 45 — Tractor
• Mccormick GX50-H — Tractor
• Mustang 2050 — Skid Steer Loader
• Mustang 2054 — Skid Steer Loader

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.