New turbo TD04 JCB HITACHI ISUZU CASE KUBOTA 3.9 DIESEL 49189-00540 49189-00550 49189-00511 02800380 02801604 8970114741 8971159720 8971447060 71457067 289731A1 71457067A

New Heavy-Duty Turbocharger – JCB / Hitachi / Isuzu (4BG1T 3.9 Engine)

Maximize the uptime and hydraulic power of your heavy machinery with this brand-new premium replacement turbocharger. Specifically engineered for the high-torque Isuzu 4BG1T 3.9 diesel engine, this unit is built to withstand the extreme duty cycles, high dust environments, and constant load demands of the construction and earthmoving industries.

Detailed Equipment Compatibility

This turbocharger is a direct 1:1 replacement for the following heavy equipment:

Technical Specifications & Cross-Reference

This unit replaces the Mitsubishi (MHI) TD04L-15H-11 series. Verify compatibility using the following identification numbers:

Key Product Features

• 100% Brand New: Zero-hour assembly. Every component is factory-new, ensuring a significantly longer service life compared to remanufactured units.
• Industrial-Grade Balancing: The CHRA is balanced to strict tolerances to ensure stable operation under the sustained high-RPM loads typical of hydraulic work.
• Thermal Stress Resistance: The turbine housing is cast from high-silicon molybdenum iron to prevent cracking and distortion during long shifts in extreme temperatures.
• Optimized Airflow: Precision-machined compressor wheel designed to maintain boost pressure even in high-altitude or high-temperature working environments.

Critical Installation Requirements

Heavy machinery installation requires strict adherence to maintenance protocols to prevent premature failure:

1. Mandatory Oil Service: Replace the engine oil and filter immediately before installation. Use heavy-duty diesel engine oil (e.g., 15W-40 CJ-4/CK-4).
2. Oil Supply Line: Inspect the oil feed pipe for kinks or carbon "coking." On excavators, these lines are often exposed to extreme heat; we recommend replacing the line during a turbo swap.
3. Turbo Priming: Pour clean engine oil into the oil inlet and rotate the compressor wheel by hand. This ensures the journal bearings are protected during the initial startup.
4. Air Filtration: Ensure the heavy-duty air filter system is completely clean. Even microscopic dust particles can cause "sandblasting" damage to the compressor wheel in construction settings.