Cylinder Head Gasket for John Deere 27D, 30G, 35D & 35G and Hitachi Zaxis27U, Zaxis30U & Zaxis35U Excavators | M806811

Fits Models At A Glance:

• John Deere Compact Excavators: 27D, 30G, 35D, 35G, E36ZS
• Hitachi Excavators: Zaxis27U-2, Zaxis27U-3, Zaxis30U-5N, Zaxis35U-2, Zaxis35U-3, Zaxis35U-5N

Key Notes:

• Part Number: M806811
• Interchange Number: 129001-01340 (Yanmar)
• Engine: Yanmar 3TNV88 (3-cylinder diesel) as fitted to applicable John Deere compact excavators
• Dimensions: Approximately 310mm x 170mm x 2mm
• Application: Cylinder head gasket — seals the mating surface between the cylinder head and engine block on the Yanmar 3TNV88 engine fitted to applicable John Deere 27D, 35D, and 35G compact excavators
• Condition: Aftermarket replacement part

Common Use Case or Symptoms: Use when the engine is consuming coolant with no visible external leak, white smoke is present in the exhaust under load, coolant is found in the engine oil (milky oil), compression is low in one or more cylinders, or the engine is overheating — all are classic signs of a blown or failed cylinder head gasket on applicable John Deere compact excavators. Always machine-inspect the head surface for warpage before installing a new gasket.

Why Choose Broken Tractor:

• ✅ Yanmar OEM Cross-Reference Confirmed: M806811 interchanges with Yanmar 129001-01340 — the Yanmar OEM head gasket for the 3TNV88 engine fitted to applicable John Deere equipment.
• ✅ Engine-Specific Fitment: Sized for the Yanmar 3TNV88 3-cylinder engine as installed in the John Deere 27D, 35D, and 35G compact excavators — verify your engine model before ordering.
• ✅ Fast Shipping from a U.S.-Based Team: In-stock and ready to ship from our U.S. warehouses.