TA5131 Turbocharger for Hitachi Excavator EX400-3 / EX450-5 – 6RB1 Diesel Engine
Product Model & Part Numbers
Turbo Model: TA5131
OEM & Reference Part Numbers:
466569-0001
466569-5001S
466569-0002
466569-5002
466569-5002S
1144003171 / 114400-3171
1144003400 / 114400-3400
1144009657 / 114400-9657
(Please confirm the turbo part number and engine model before ordering.)
Product Overview
The TA5131 turbocharger is a heavy-duty, OEM-standard replacement designed specifically for Hitachi EX400-3 and EX450-5 excavators powered by the 6RB1 diesel engine. It is engineered to restore factory boost pressure, optimize airflow, and deliver stable torque output required for high-capacity excavation and earth moving operations.
The 6RB1 engine is widely used in large excavators and mining-class construction equipment, operating for long hours under continuous high load. The TA5131 turbocharger provides a reliable and cost-effective solution for construction contractors, mining operators, fleet maintenance teams, and professional diesel repair workshops seeking durability, uptime, and consistent performance.
Manufactured with high-temperature-resistant materials and a precision-balanced rotating assembly, the TA5131 turbocharger ensures reduced turbo lag, smooth power delivery, and extended service life in harsh jobsite environments.
Key Features
OEM-Compatible Direct Replacement
Designed to match Hitachi 6RB1 engine specifications and all listed OEM part numbers.
Heavy-Duty Construction
Built with reinforced, heat-resistant alloys for continuous high-load construction and mining operations.
Stable Boost & Airflow Control
Restores factory boost pressure for consistent engine output and protection.
Improved Engine Efficiency
Optimized compressor and turbine design enhances combustion efficiency and fuel utilization.
Smooth Turbo Response
Balanced turbine wheel geometry reduces lag during rapid load changes.
Precision Dynamic Balancing
Each CHRA is dynamically balanced to minimize vibration, reduce bearing wear, and extend turbo lifespan.
Equipment Applications
- Hitachi EX400-3 excavator
- Hitachi EX450-5 excavator
- Construction and mining equipment with 6RB1 diesel engines
- Large-scale earth moving and quarry machinery
Who This Product Is For
This TA5131 turbocharger is ideal for:
- Construction and mining contractors
- Fleet operators managing heavy excavators
- Equipment maintenance and service departments
- Diesel engine rebuilders and overhaul specialists
- Heavy machinery repair workshops and parts distributors
Problems This Turbocharger Solves
If your 6RB1-powered excavator is experiencing:
- Loss of digging power or reduced productivity
- Engine power drop under heavy load
- Excessive black exhaust smoke
- Increased fuel consumption
- Turbocharger noise, oil leakage, or bearing failure
The TA5131 turbocharger restores correct airflow and boost pressure, helping the engine regain stable power, efficiency, and operational reliability.
Benefits
- Restores factory-level horsepower and torque
- Improves excavation and loading efficiency
- Reduces exhaust smoke and inefficient combustion
- Enhances reliability during long working shifts
- Designed for extended service life and reduced downtime
Technical Specifications
| Turbo | Specification |
|---|---|
| Turbo Model | TA5131 Turbocharger |
| Part Numbers | 466569 114400-3171 114400-3400 114400-9657 |
| Engine Model | 6RB1 Diesel |
| Equipment | Hitachi EX400-3 / EX450-5 |
| Cooling Type | Oil-cooled |
| Material | Heat-resistant alloy, precision-balanced CHRA |
| Operating Type | Heavy-duty / Construction / Mining |
| Condition | Brand New |
| Warranty | 6 months |
Installation & Usage Guide
Installation Steps
- Allow the engine to cool completely before removing the turbocharger.
- Drain engine oil and inspect oil feed and return lines for contamination.
- Remove intake piping, exhaust connections, and mounting bolts.
- Pre-lubricate the TA5131 turbocharger with clean engine oil before installation.
- Install according to Hitachi OEM torque specifications for the 6RB1 engine.
- Reconnect oil lines, intake, and exhaust components securely.
- Start the engine and idle for 3–5 minutes to verify oil pressure and check for leaks.
Professional installation is strongly recommended.
Maintenance Recommendations
- Use OEM-approved engine oil and follow recommended service intervals.
- Inspect and clean air filters regularly to protect the compressor wheel.
- Keep oil supply lines clean and unobstructed.
- Allow the engine to idle briefly after heavy excavation work before shutdown.
- Avoid sudden engine shutdown under full load conditions.
Typical Usage Scenarios
- Large-scale excavation projects
- Mining and quarry operations
- Infrastructure and road construction
- Preventive turbo replacement during fleet maintenance
- Engine rebuild and remanufacturing projects
Frequently Asked Questions (FAQ)
Q1: Is this TA5131 turbo a direct replacement for Hitachi 6RB1 engines?
Yes. It matches OEM specifications and is compatible with all listed part numbers.
Q2: Can this turbo handle continuous heavy excavation and mining work?
Yes. It is designed for high-load, long-duty construction and mining environments.
Q3: Is this turbocharger brand new or remanufactured?
This is a brand-new turbocharger.
Q4: Will this turbo improve fuel efficiency and reduce exhaust smoke?
Yes. Proper boost and airflow improve combustion efficiency and reduce smoke.
Q5: What warranty is provided?
A 12-month warranty against manufacturing defects is included.
Why Choose Us
Specialized Heavy-Duty Turbocharger Manufacturer
We focus on turbocharger solutions for construction machinery, mining equipment, trucks, agricultural engines, industrial power units, and marine applications, with extensive experience in off-highway diesel platforms.
Strict Quality Control System
- OEM-standard manufacturing processes
- High-speed dynamic and VSR balancing
- Multi-stage inspection and testing
- Reliable performance under extreme operating conditions
About Our Company
Fengcheng Zhongke Turbocharger Co., Ltd., established in 2001, is a professional manufacturer specializing in turbochargers, CHRAs, repair kits, turbine shafts, and compressor wheels for global heavy-duty engine markets.
Our Team
Our team includes experienced turbocharger engineers, quality inspectors, and international sales professionals who understand real-world construction equipment operation, maintenance requirements, and aftermarket expectations.
This enables us to provide reliable products, accurate technical support, and long-term cooperation for customers worldwide.
Customization & Supply Support
- OEM and private label manufacturing
- Bulk and fleet supply capability
- Technical consultation before purchase
- Professional after-sales service
Looking for a reliable TA5131 turbocharger supplier for Hitachi 6RB1 engines?
Contact us today for pricing, availability, and technical confirmation.
TA5131 Turbocharger for Hitachi 6RB1 Engine | EX400-3 EX450-5 TA5131 turbocharger for Hitachi EX400-3 and EX450-5 excavators with 6RB1 engine. Compatible with 466569, 114400-3171, OEM fit and durability.
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