TD04L Turbocharger for Komatsu PC120-8 (SAA4D95LE-5 Engine)
Part Number:6271-81-8100 6271-81-8310 6271-81-8320 6271-81-8500 6271-81-8550 49377-01700 4937701700 49377-01740 49377-01750 49377-01760 49377-01770 6271818100
The TD04L Turbocharger is an OEM-fit replacement designed specifically for Komatsu PC120-8 excavators powered by the SAA4D95LE-5 engine. Engineered to withstand tough, continuous work environments, this turbo delivers stable boost pressure, smooth performance, and long service life.
If your PC120-8 is losing power, smoking, consuming more fuel, or running inefficiently, this turbo restores its performance to factory levels.
Key Features & Advantages
OEM-Fit Direct Replacement
Perfectly matches Komatsu factory specifications—no modifications required.
Strong & Consistent Boost Pressure
Optimized compressor wheel and turbine housing ensure fast spool, reduced turbo lag, and improved throttle response.
High-Temperature–Resistant Materials
Made with heat-resistant turbine alloy designed for extended operation in harsh working conditions.
High-Speed VSR Balanced
Every turbo is balanced at high RPM to reduce vibration, extend bearing life, and improve durability.
Reduced Fuel Consumption
Improves combustion efficiency by supplying stable air pressure to the engine.
Restores Full Excavator Productivity
Delivers factory-level power back to your PC120-8—essential for construction, earthmoving, and heavy-duty operations.
Technical Specifications
| Turbo | Details |
|---|---|
| Model | TD04L Turbocharger |
| Part Number | 6271-81-8100 6271-81-8310 6271-81-8320 6271-81-8500 6271-81-8550 49377-01700 4937701700 49377-01740 49377-01750 49377-01760 49377-01770 6271818100 |
| Application | Komatsu PC120-8 |
| Engine | SAA4D95LE-5 |
| Type | Wastegate Turbocharger |
| Cooling | Oil-cooled |
| Material | High-grade turbine wheel alloy / precision compressor wheel |
| Balancing | 100% VSR high-speed balanced |
| Fitment | OEM direct replacement |
Who Is This Turbocharger For?
Excavator Owners
Restore lost power and reduce downtime.
Construction Contractors
Ensure consistent performance for daily excavation, loading, and site operations.
Heavy Machinery Maintenance Shops
Reliable component for Komatsu repair services.
Fleet Managers
Reduce operating costs and maintain equipment performance across multiple machines.
Equipment Resellers
Perfect for reconditioning excavators before resale.
Problems This Turbo Solves
Loss of Power or Slow Excavation Speed
Restores original boost pressure for strong hydraulic performance.
Excessive Black Smoke
Fixes poor air-fuel mixture caused by a worn turbo.
Increased Fuel Usage
Improves efficiency and reduces operational costs.
Turbo Noise / Whine / Vibration
High-precision balanced components eliminate instability.
Frequent Engine Fault Codes
Stable boost pressure helps maintain correct ECU readings.
Recommended Usage Scenarios
Construction & Earthmoving
Perfect for daily heavy-duty excavation, lifting, loading, and digging.
Mining & Quarry Operations
Reliable under dusty, high-temperature, and high-load conditions.
Road & Infrastructure Projects
Supports long working hours with minimal maintenance.
Rebuild & Refurbishment Work
Ideal for overhaul of older PC120-8 machines.
Installation Guide
1. Pre-Installation Checks
- Replace engine oil and oil filter
- Clean intercooler and intake system
- Flush oil feed and return lines
- Remove debris from previous turbo failure
- Confirm no air leaks in intake piping
2. Installation Steps
- Remove old turbocharger
- Install new gaskets and fittings
- Position new TD04L turbo and tighten mounting bolts
- Connect oil lines, air intake, and exhaust outlet
- Prime turbo with clean oil before starting
- Start engine and idle for 3 minutes
- Check for oil leaks, exhaust leaks, or whistling sounds
3. After-Installation Tips
- Avoid full throttle for the first 50–100 km
- Re-inspect bolts and clamps after first day of use
FAQ
Q1: Is this turbo a direct replacement for Komatsu PC120-8?
Yes, it matches OEM dimensions and specifications exactly.
Q2: Is the turbocharger balanced?
Every unit is VSR high-speed balanced before shipment.
Q3: Can you support bulk orders?
Yes, we supply dealers, distributors, and fleet operators with stable stock.
Q4: Do you produce parts according to OEM standards?
Yes—material composition, dimension tolerance, and performance follow strict OEM specifications.
About Us — Zhongke Turbocharger Co., Ltd.
Founded in 2001, Fengcheng Zhongke Turbocharger Co., Ltd. specializes in manufacturing:
- Turbochargers
- CHRA/Core assemblies
- Cartridge repair kits
- Turbine shafts & compressor wheels
- Turbocharger accessories
With over 25+ years of engineering experience, we serve customers across the construction, agricultural, truck, and marine industries.
Why Customers Trust Us
- OEM-standard production
- Advanced CNC precision machining
- International high-speed balancing systems
- Strict quality inspection for every unit
- Fast delivery & global shipping
We manufacture replacement turbos compatible with brands like Komatsu, Cummins, Holset, Caterpillar, Garrett, BorgWarner, and more.
Our Professional Team
Engineering & R&D Department
Experts in turbo modeling, airflow simulation, and performance optimization.
Quality Control Department
Each turbo undergoes dimensional inspection, material analysis, boost testing, and VSR balancing.
Sales & Customer Support Team
Providing fast communication, technical support, and long-term business cooperation.
Boost Your Komatsu PC120-8 Performance Today
Upgrade or replace your worn turbocharger with the TD04L for reliable performance, efficiency, and long service life.

















