Click image to zoom
1144003900 RHG6 Turbocharger Replacement for Hitachi EX300-7
Show more cross references
1144003900 1-14400-3900 72109715 VA570033Subtotal: US$ 160.00
Send an InquiryThis aftermarket replacement turbocharger, part number 1144003900 (Model RHG6-110003Q35NHBRL543CA), is designed for Hitachi EX300-7 excavators equipped with the Isuzu 6HK1T(CIDB) engine. It serves as a direct replacement application for units failing due to wear or damage, offering a reliable solution for heavy equipment maintenance.
Key Specifications
- Part Number: 1144003900
- OEM Reference Numbers: 114400-3900, 1-14400-3900, 72109715, VA570033
- Turbo Model: RHG6-110003Q35NHBRL543CA
- Product Type: Turbocharger Assembly
- Gross Weight: 15 kg
- Packaging Dimensions: 26x30x33 cm
- Image Available: Yes
Application & Compatibility
This unit is listed for use with the Hitachi EX300-7 excavator and Isuzu 6HK1T(CIDB) engine. Buyers should verify the following details before ordering to ensure correct fitment:
- Confirm the vehicle model (Hitachi EX300-7) and engine code (6HK1T/CIDB).
- Match the existing turbocharger part number or OEM reference numbers (e.g., 72109715, VA570033) with the supplied unit.
- Check the physical configuration of the old turbocharger against the product images.
Technical Notes
The RHG6 series is commonly used in heavy-duty construction equipment. This replacement unit is built to meet standard operational requirements for the specified application. Verify specific flange patterns, oil line connections, and actuator configurations with your existing unit before installation. Technical fitment support is available to assist with verification.
B2B Supply
LeadTurbo provides volume pricing for distributors, repair shops, and fleet managers. We offer worldwide shipping and dedicated technical support to help confirm part numbers and applications. Contact our sales team for bulk order quotes and lead times.
Product FAQ
For More Information
Frequently Asked Questions
What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.
Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.
-Hitachi-EX300-7_Top_View_Of_45_Degrees_128X128.webp)
