RHF55 Turbo VB440051 8980302171 Turbocharger for Hitachi ZX240 4HK1 Engine

RHF55 Turbocharger VB440051 8980302171 for Isuzu 4HK1 Hitachi ZX240 Sumitomo SH240

Product Overview

Restore power to your 4HK1-powered excavator. Direct-fit RHF55 turbo for Hitachi ZX240, Sumitomo SH240, and JCB (OEM 8980302170, VB440051). ISO/IATF certified factory direct.

Industrial-Grade RHF55 Turbocharger for Hitachi ZX240 & Sumitomo SH210 (Isuzu 4HK1)

• Direct OEM Replacement: Specifically engineered for a 1:1 "drop-in" fit for Hitachi ZX240-3 and Sumitomo SH210/SH240 excavators equipped with the 5.2L 4HK1 engine. No manifold or oil line modifications required.
• Built for Excavation Uptime: Optimized to restore the original digging force and hydraulic response speed of your machine, ensuring your equipment stays productive on the job site without power loss.
• K18 Nickel-Alloy Turbine Wheel: Features a premium K18 Nickel-Alloy turbine wheel, designed to maintain its shape and strength at exhaust temperatures exceeding 900°C—essential for continuous heavy-duty digging and lifting.
• Precision VSR Balancing: 100% dynamic balancing tested at operating speeds on a Vibration Sorting Rig (VSR). Technical Benefit: This eliminates vibration, reduces bearing noise, and extends the service life of your engine in harsh, dusty environments.
• Reliable Wastegate System: Equipped with a pre-calibrated wastegate actuator to protect your engine from over-boost conditions, providing stable performance across the entire RPM range.

Technical Specifications & OEM Cross-Reference

Applications

• Hitachi Excavators: ZX240, ZX240-3, ZX240LC-3, ZX250-3, ZX270-3 with 4HK1 engine.
• Sumitomo Excavators: SH210-5, SH240-5, CH210-IS-5 series.
• JCB Construction: Various mid-size excavators and loaders utilizing the Isuzu 4HK1 platform.
• Industrial Equipment: Power units and vocational machinery powered by the 5.2L 4HK1-T engine.
• IHI / Manufacturer Codes: VB440051, VA440051, VC440051, VD440051, F56CND-S0051B, F56CND-S0051G
• Isuzu OEM Numbers: 8980302170, 8980302171, 8-98030-2170, 8973628390, 8-97362-8390, 97362839 Other Crosses: 5T-649, 5T649 

FAQs

Q1: How do I verify if this turbo fits my Hitachi ZX240? 

Please check the nameplate on your current turbocharger for the part number 8980302171 or the IHI code VB440051. Since the 4HK1 engine has multiple turbo variations (VGS vs. Wastegate), matching the specific 10-digit Isuzu number is the only way to ensure 100% fitment.

Q2: What is "K18 Nickel-Alloy" and why does it matter? 

K18 is a high-grade nickel alloy used for the turbine wheel. It is critical for excavators because they operate at high temperatures for hours. Standard alloys can "creep" (deform) over time, but K18 ensures the turbo remains efficient and safe under extreme heat.

Q3: Does the turbo include the mounting gaskets? 

Yes. This unit typically includes a premium mounting gasket kit to ensure a leak-free seal for the oil, water, and exhaust connections. We always recommend using new gaskets for every installation.

Q4: What maintenance is critical for excavator turbochargers? 

In construction environments, Clean Air is Life. Replace the Air Filter frequently. Also, always replace the Engine Oil and Oil Filter when installing a new turbo to prevent any contamination from damaging the new precision bearings.

Q5: Do you provide worldwide shipping? What is the delivery timeframe? 

We ship globally via premium carriers like DHL, FedEx, and UPS, as well as sea freight for bulk orders. In-stock items are typically dispatched within 24–48 hours. Express delivery to North America and Europe usually takes 5–7 business days.

About Us

Fengcheng Zhongke Turbocharger Co., Ltd. is a leading high-tech factory specializing in the R&D, production, and global distribution of high-performance turbochargers. Based in Fengcheng—one of the world’s most renowned turbocharger manufacturing hubs—we have grown from a local workshop into a global supplier, serving heavy-duty, commercial, and passenger vehicle markets worldwide.

At Zhongke, we don't just "make" parts.we engineer reliability.

• Material Integrity: We exclusively use K18 Nickel-Alloy turbine wheels, capable of withstanding extreme exhaust temperatures (up to 950°C) without deformation.
• Dynamic Balancing: 100% of our turbochargers undergo high-speed dynamic balancing tests at 150,000+ RPM to guarantee zero vibration and extended bearing life.
• Certified Quality: Our production processes are certified under ISO 9001 and IATF 16949, the gold standards for the global automotive and heavy-machinery industries.

Manufacturing Prowess:Our facility is equipped with state-of-the-art production lines, including precision 5-Axis CNC machining centers, high-speed VSR (Vibration Sorting Rig) balancing machines, and advanced material testing labs.

Our Specialization:We maintain a vast inventory of over 3,500+ turbocharger models, with a focus on heavy-duty and construction machinery engines, including Cummins, Caterpillar, Komatsu, Isuzu, Sumitomo, and Hitachi. Beyond heavy-duty machinery, we also provide a comprehensive range of turbochargers for passenger vehicles and light commercial vans. Our catalog covers over 1,000 applications for leading automotive brands including Nissan, Audi, BMW, Mercedes-Benz, Toyota, Honda, and Hyundai. Focused on optimizing fuel efficiency and restoring factory horsepower, our passenger car turbos are engineered with the same precision and K18 heat-resistant materials as our industrial line, ensuring reliable performance for daily commuting and high-speed driving alike.

Global Partnership & Support: Zhongke Turbo is more than just a manufacturer; we are your long-term technical partner. With nearly 30 years of export experience, we understand the logistics and technical requirements of the international market. We provide a warranty and dedicated technical support to help our partners succeed.

• Key Export Regions: North America, Europe, the Middle East, Africa, Latin America, and Southeast Asia.

Experience the difference of nearly 30 years of factory expertise. Contact us today for wholesale inquiries or technical consultations.