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| Turbocharger Model | HX55W |
| Part Number | 3781864 |
| Yuchai OEM Number | KA100-1118100-181-02 |
| Turbocharger Type | Wastegated, Fixed Geometry |
| Engine Displacement Range | 10 - 15 Liters |
| Compressor Wheel Inducer Diameter | 76 mm |
| Compressor Wheel Exducer Diameter | 100 mm |
| Turbine Wheel Exducer Diameter | 88 mm |
| Wastegate Actuation | Pneumatic |
| Lubrication Method | Engine Oil Cooled |
| Rotation Direction | Clockwise (Viewed from Compressor Side) |
| Compressor Housing Material | Cast Aluminum Alloy |
| Turbine Housing Material | High-Nickel Cast Iron (Ni-Resist) |
Manufacturer No.
3781864KA100-1118100-181-023580726402787840278194089854
OEM Part No.
40457514046132359278340390672843413284341437928094046031403917335369953536996380393837883123590044359004538004712834419
Engine Part No.
Cummins ISMCummins QSM11Cummins M11Cummins ISMEYuchai YC6AYuchai YC6TD
Interchange No.
1-B-765935751814027878H4027819H3580726H
Fitment Vehicles
Heavy Duty TrucksHydraulic ExcavatorsWheel LoadersMarine Propulsion SystemsIndustrial Power Generation Units
Intake And Exhaust System - Industrial Encyclopedia
Genuine Holset HX55W turbocharger assembly part number 3781864, OEM replacement for Cummins ISM QSM M11 series and Yuchai YC6A industrial diesel engines. Engineered for heavy-duty performance and reliability.