YANMAR ENGINES:
• Yanmar 3TNE84/4TNE84/3TNE88/4TNE88 TNE/TNV 84/88 Series (1990-2015)
• Yanmar 3TNV84/4TNV84/3TNV88/4TNV88 TNE/TNV 84/88 Series (1990-2015)

EQUIPMENT MANUFACTURERS:
• Multiple OEM Hi Power HYW-25 M6/Landini Mistral 45 Tractor/Mustang 2044 Loader/New Holland T3020 Tractor Yanmar TNE/TNV 84/88 (2000-2015)


IMPORTANT:
127-tooth flywheel ring gear — Yanmar OEM for TNE/TNV 84/88 engine family. Same part as JD TCH10466. Covers 3-cyl AND 4-cyl variants: 3TNE84 through 4TNV88. All use the same ring gear regardless of cylinder count.

Used in Hitachi mini excavators, JD compact equipment, Takeuchi, and Yanmar marine (3JH/4JH). Multiple OEM equipment manufacturers use this engine family. Starter grinding or no-engagement typically indicates ring gear tooth damage — inspect teeth in the starter engagement zone. Follow engine service manual for installation procedure and specifications.

⚠️ Same as JD TCH10466. Fits all TNE/TNV 84/88 variants (3 and 4-cyl).

FITS / Replacement Part Numbers:

OEM PART NUMBERS:
• Yanmar: 124550-21600 (OEM part number without Y prefix)
• Yanmar: TCH10466 (Alternate OEM part number for same 127-tooth ring gear)

SPECIFICATIONS:
• Teeth Count: 127
• Gear Type: Flywheel Ring Gear
• Position: Flywheel
• Mounting Style: Press-fit to flywheel
• Engine Family: Yanmar TNE/TNV 84/88 Series
• Condition: New

APPLICATION:
• Compatible with Yanmar 3TNE84/4TNE84/3TNE88/4TNE88 (1990-2015)
• Compatible with Multiple OEM Hi Power HYW-25 M6/Landini Mistral 45 Tractor/Mustang 2044 Loader/New Holland T3020 Tractor (2000-2015)

Product Notice:

As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

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