The Turbocharger TA5131 (114400-3400) is designed for Isuzu 6RB1 and 6RB1TQA diesel engines commonly used in Hitachi EX450-5 and EX400-3 excavators. Built to meet OEM specifications, this heavy-duty turbo provides powerful airflow, efficient fuel combustion, and consistent engine performance.
Crafted from high-grade materials with precision balancing, the TA5131 turbocharger withstands extreme heat and pressure, ensuring durability even in demanding excavation and construction environments. It helps maintain optimal boost pressure, improving torque and fuel efficiency.
Ideal for replacement or overhaul projects, this turbocharger restores factory-level performance and reliability to your equipment.
Key Features:
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Model: TA5131
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Part Number: 114400-3400
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Engine Compatibility: Isuzu 6RB1 / 6RB1TQA
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Application: Hitachi Excavator EX450-5 / EX400-3
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Type: Heavy-Duty Diesel Turbocharger
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Performance: Enhanced air compression and power output
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Durability: OEM-grade materials and precision balancing
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Fitment: Direct replacement, easy installation
Benefits:
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Improves boost response and engine torque
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Restores fuel efficiency and combustion power
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Built for long life in high-load environments
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Reduces lag and provides smoother throttle response
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Perfect for construction and excavation applications
Applications:
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Engines: Isuzu 6RB1, 6RB1TQA
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Machines: Hitachi Excavators EX450-5, EX400-3
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Use Cases: Construction, mining, and industrial operations
Frequently Asked Questions (FAQ)
Which engines are compatible with the TA5131 turbocharger?
This turbocharger fits Isuzu 6RB1 and 6RB1TQA diesel engines used in Hitachi EX450-5 and EX400-3 excavators.
What is the OEM part number for this turbocharger?
The OEM part number for this turbocharger is 114400-3400.
Is the TA5131 a genuine OEM replacement?
Yes, the TA5131 turbocharger is an OEM-quality replacement designed to meet or exceed Isuzu and Hitachi specifications.
What equipment uses the Isuzu 6RB1 and 6RB1TQA engines?
These engines are commonly installed in Hitachi EX400-3 and EX450-5 excavators used for construction and heavy lifting applications.
What are the benefits of replacing my old turbo with the TA5131?
Replacing your old turbo with a new TA5131 improves boost response, restores lost power, enhances fuel efficiency, and increases engine lifespan.
Is this turbocharger easy to install?
Yes. The TA5131 is a direct-fit replacement that requires no modifications for compatible Isuzu 6RB1 and 6RB1TQA engines.
Where can I buy the TA5131 114400-3400 turbocharger?
You can purchase this turbocharger from authorized Isuzu or Hitachi parts dealers and reputable online heavy equipment parts suppliers.
Turbocharger TA5131, 114400-3400 | Isuzu 6RB1 6RB1TQA / Hitachi Excavator EX450-5 EX400-3 Engine
Application: EX450-5, EX400-3, CX1100
OEM Number: 114400-3400, 466569-5001S, 466569-0001, 466569-0002, 466569-1, 1144003171, 1-14400-3171, 1144009657, 1144003400, 4665695001S, 4665690001, 4665690002, 4665691




