Yanmar 4TNV84 Engine IHI RHB31 Turbocharger Assembly (OE 129406-18010 / VA110044)
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| Turbo Model | IHI RHB31 / GY66 |
| Manufacturer Part Number | VA110044 (IHI) |
| OE Part Number | 129406-18010 (Yanmar) |
| Engine Model Compatible | Yanmar 4TNV84 (2.19L, 4-cylinder, Direct Injection, Turbocharged) |
| Turbo Type | Axe Turbine / Centrifugal Compressor |
| Bearing Form | Full floating bearing |
| Turbo Shell Material | High Nickel Heat Resistant Cast Iron (heat resistant 950℃+) |
| Compressor Shell Material | Aluminum Die Casting |
| Impeller Material | Titanium alloy / high-strength aluminum alloy (compressor side), Inconel alloy (turbo side) |
| Exhaust Bypass Valve | Built-in Electric/Air Wastegate (depending on specific sub-model) |
| Inlet Diameter | Approx. 45-50mm (Compressor Inlet) |
| Exhaust Flange | 4 bolts, triangular/trapezoidal flange (Yanmar standard) |
| Oil Import Thread | M14x1.5 or M12x1.5 (batch dependent) |
| Oil Outlet Flange | 4 Bolt Standard Flange |
| Cooling Type | Only Oil Cooling (No Water Cooling) |
| Steering | Turbine end clockwise / Compressor end counterclockwise (standard view) |
| Balance Grade | G2.5/G1.0 (High Precision Dynamic Balance) |
| Applications | Construction Equipment (Small Excavator), Industrial Generator Set, Agricultural Machinery, Ship Auxiliary Equipment |
Manufacturer No.
VA110044VB110044VB140023VC140023NN190023GY66RHB31RHB31-55001P12NFBRS255ARHB31-50001P12NFBRS255AZRHB31GW-55001P12NWBRS2616D
OEM Part No.
129406-1801012940618010127452-18010127452-180218900-09593T-5063T506B31CNDS0044GB31CNDS0044BB31CND-S0044BB31CND-S0044G
Engine Part No.
Yanmar 4TNV84Yanmar 4TN84TL-RGDYanmar 3TNV84Yanmar 3TNV84TYanmar 4TNV84T-MWAYanmar S4D84EYanmar S4D84E-5P-BA
Interchange No.
T9117401720013513-VA110044NB139837NZ852836MY41NB130023AY68GYCXMYDI
Fitment Vehicles
Yanmar 4TNV84Yanmar 4TN84TL-RGDYanmar 3TNV84Yanmar 3TNV84TJohn Deere equipped with 4TNV84 equipmentSewa excavatorIndustrial power generation setMarine power
Engine System - Industrial Encyclopedia
Supplying the OEM number 129406-18010 IHI RHB31/GY66 turbocharger assembly, aftermarket part number VA110044. Perfectly fits Yanmar 4TNV84, 4TN84TL-RGD and other industrial and construction machinery engines. Can replace VB110044, 3T-506, B31CNDS0044G and other interchange numbers, meet OEM specifications, reliable performance, widely used in excavators, generator sets and marine power.