Heavy-duty RHG6 turbocharger for Isuzu 6BG1T powered Hitachi Zaxis 200 excavators. VSR balanced 114400-3770 replacement with industrial-grade durability.
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The Isuzu 6BG1T turbocharger (OEM: 114400-3890 / Model: RHG6) is a heavy-duty industrial unit designed for continuous high-load operation.
It addresses journal bearing wear and loss of boost pressure, and fits Hitachi Zaxis Excavators (ZX200 to ZX250).
In stock for global wholesale.
On the job site, reliability is everything. The Hitachi Zaxis series excavator (Zaxis 200, 210, 225, 230) powered by the robust Isuzu 6BG1T / 6BG1TC engine is a cornerstone of the construction industry. A key component to its power and performance is the turbocharger. Ruich Value, an ISO 9001 certified manufacturer, produces a high-durability, direct OEM replacement RHG6-1 Turbocharger, engineered as a replacement for part number 114400-3770 and others. We are the factory-direct supply partner for heavy machinery parts distributors, construction fleet managers, and repair specialists who demand components that can withstand the rigors of the field.
Built for the Job Site: We use high-strength cast iron housings and robust internal components designed to resist the heat, vibration, and demanding cycles of construction equipment, ensuring a longer service life.
Guaranteed Fit, Faster Repairs: This turbo is engineered to the exact specifications of the original equipment for a guaranteed, bolt-on fit. This means less time in the workshop and more uptime for your excavators.
Factory-Direct Wholesale Pricing: As the manufacturer, we provide a direct and cost-effective supply chain, allowing our B2B partners to increase their profitability on essential heavy-duty parts.
Performance Backed by Warranty: Every RHG6-1 turbo is dynamically balanced and rigorously tested. We back our quality with a comprehensive 1-Year Manufacturer’s Warranty, giving you complete confidence.
Restores Hydraulic Power: A fully functional turbo restores full engine power, which is critical for the excavator’s hydraulic system performance, leading to faster cycle times and improved productivity.
Optimized Fuel Consumption: By ensuring efficient combustion, our turbo helps reduce the fuel consumption of your heavy equipment, lowering daily operating costs.
Complete and Ready to Install: The turbo arrives as a complete assembly, including the pre-calibrated wastegate actuator, ready for immediate installation.
Reduces Emissions: A healthy turbo ensures a cleaner burn, helping your machinery comply with operational standards and reducing black smoke output.
| Attribute | Specification |
| Turbo Model | RHG6-1 / RHG6-11803Q27NHBRS4715CC |
| Application Engine(s) | Isuzu 6BG1T, 6BG1TC |
| Application Vehicle | Hitachi Zaxis Excavator (200, 210, 225, 230, Zaxis 2) |
| Reference OE Number(s) | 114400-3770, VB570031, VA570031 |
| Application Type | Construction Machinery, Marine, Generator |
| Condition | Brand New, Direct Replacement |
| Warranty | 1-Year Manufacturer’s Warranty |
As a specialized manufacturer, our capabilities cover a vast range of turbochargers. Below is a sample of the models we can supply. Please contact us if you don’t see your specific model listed.
| Model | Model | Model | Model |
|---|---|---|---|
| WH2D-9371AZ/XA22TC3A | TO4E33 | TD08H-27VRC | TBP430 |
| TBP405 | TB41/TB4126 | RHG8/RHG8V | RHE7-9 |
| RHE6/RHE62 | RHC7FW | RHC7A | RHC7-8 OIL COOLING |
| RHC7E | RHC61B | RHC61A | RHC6-1 W |
| RHC6 WATER COOLING | RHC6 | GT3576DL | GT3576 |
| GT3576D | GT2259-4W | GT3576LD | GT3271 |
| GT033W | GT22-068 | RHF5-12 W | GT22 W OIL COOLING |
| GT22 W WATER COOLING | RHF5-23 W | RHF5 W | RHF5-4 W 7-3 |
| RHF5-2 W / RHF4H | RHF5-14 W | RHB5W Water-Cooled Turbo | RHB5 W OIL COOLING |
| TB2518 | TB25W 4BD2 | GT22-0148 W | RHC6 |
| RHF5-22 V.W | RHF5-12 W / RHF5-64006P15 | TBP420 W | TDO4HL-15G/8.5 |
| RHB6 / RHB6A | RHC7-1100IP20 | TDO4HL-15G/12 | RHC7-6 V |
| RHG6-3 | RHC7-57 / RHE7 | RHG6 | RHB32BW |
| TD08 / TD08H | RHF5/K03 | RHF5 | RHC9 |
| RHF4H | RHF5V / RH5V / RHF5V | TA5136 | RHF55W |
A: The Isuzu 6BG1T turbocharger typically exhibits failure through a high-pitched whining or “dentist drill” noise, indicating severe journal bearing wear and off-center shaft movement. Additionally, worn internal seals will allow engine oil to leak into the intake or exhaust, producing thick blue smoke and pooling oil in the intercooler pipes.
A: This RHG6-1 turbocharger serves as a direct drop-in replacement for Isuzu and Hitachi OEM part numbers 114400-3770, 1144003770, and 1-14400-3770. It also crosses over to IHI factory designations such as VA570031 and VB570031, guaranteeing perfect fitment on the 20-ton class Hitachi Zaxis 200 series excavators.
A: Excavator hydraulic pumps rely entirely on consistent engine torque to maintain operating pressure. When the RHG6 turbocharger suffers from boost leaks or sticking wastegates, the 6BG1T engine loses critical horsepower. This translates directly to sluggish hydraulic response, slower cycle times, and the engine bogging down under heavy earthmoving loads.
Partner with a professional manufacturer for your heavy machinery parts inventory. Whether you are a parts distributor, fleet manager, or run a heavy equipment repair service, we are ready to provide you with top-quality products and competitive pricing.
Contact us now to discuss your wholesale needs.
Email: [email protected]
Phone/WhatsApp: +86 13889277673
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For Any Inquiries, please feel free to contact us, Our sales teams are always glad to support your business