Turbocharger For TML Tractor Industrial Genset HX25 3781495 252714510163 3781496 Holset

Complete Holset HX25 Turbocharger Assembly for TML Engines, Industrial Gensets & Agricultural Tractors | Holset 3781495 / 3781496 / TEL 252714510163

Restore immediate electrical load acceptance, re-establish strong low-RPM pulling torque under heavy agricultural implements, and prevent excessive exhaust smoking under heavy prime loads with this high-performance Complete Holset HX25 Turbocharger Assembly. Specially engineered to handle the continuous duty cycles, high exhaust backpressures, and severe under-hood thermal stress of industrial power generation, off-highway machinery, and heavy farm tractors, this complete unit replaces failing forced-induction systems suffering from turbine casing stress cracks, internal oil seal leakage, journal bearing play, or wastegate actuator failure.

Detailed Machinery, Genset & Engine Application Mapping

This heavy-duty industrial turbocharger is custom-tailored to communicate seamlessly with diverse diesel power platforms:

• TML & TATA Commercial / Industrial Engines: Fits TML 4SPTC, 497TC, and related 4-cylinder turbocharged diesel engine setups.

• Diesel Generator Sets (Gensets): Fits 45 kVA to 75 kVA prime and standby diesel generator sets deployed across industrial facilities, commercial complexes, and agricultural installations.

• Agricultural Tractors & Off-Highway Machinery: Fits heavy-duty farm tractors, industrial pumpsets, compact excavators, and backhoe loaders powered by TML / Holset engine platforms.

• Engine Suitability: Explicitly calibrated for TML / TATA 4-Cylinder Heavy-Duty Turbocharged Industrial & Agricultural Diesel Engines.

Part Number Cross-Reference & OEM Details

• Holset Production Part Numbers: 3781495, 3781496, 3781497

• TML / TEL OEM Reference: 252714510163

• Cross-Reference Part Numbers: 4031751, 4031752, 4041548

• Turbo Model Architecture: Holset HX25

• Application Type: Genset / Tractor / Industrial Off-Highway Diesel Powertrains

• Manufacturer: Holset / Cummins Turbo Technologies / Turbo Energy Limited (TEL)

Key Technical Specifications & Heavy-Duty Features

• High-Nickel Ductile Iron Turbine Housing: Cast from high-nickel heat-resistant ductile iron to withstand continuous extreme exhaust gas temperatures (EGTs) without cracking or warping during 100% prime load operation.

• Precision Industrial Wastegate Actuation: Factory-calibrated pneumatic wastegate actuator delivers precise boost pressure modulation across variable load profiles, preventing over-boost stress while ensuring fast low-RPM spool-up under sudden load pickups.

• VSR Ultra-High-Speed Dynamic Balancing: The complete internal rotating assembly undergoes dynamic balancing on computerized Vibration Sorting Rigs (VSR) at full operational RPMs to eliminate micro-vibrations, ensuring smooth operation and extending bearing lifespan.

• Heavy-Duty Journal & Thrust Collar Array: Floating copper-alloy journal bearings handle intense backpressures and heavy axial thrust loads during sustained generator or field duty cycles.

• Multi-Piece Internal Fluid Seals: Advanced piston ring oil seals lock motor oil inside the central bearing housing, preventing oil leakage into intake charge piping or exhaust stacks.