1144003140 TW Turbine Wheel Replacement for Hitachi EX300-1

This turbine wheel is an aftermarket replacement component designed for turbocharger rebuilds, specifically referenced for Hitachi EX300-1 excavators and Isuzu 6SD1T(CIAQ) engines. It serves as a replacement for part number 1144003140 TW and associated OEM references, supporting maintenance operations for heavy equipment fleets.

Key Specifications

• Part Number: 1144003140 TW (BJMXTW0000189)
• Product Type: Turbine Wheel
• Turbo Model: RHC7-12307HQ41NFBRL6424CC
• Gross Weight: 0.6 kg
• Packing Dimensions: 11x11x22 cm
• OEM Reference Numbers: 114400-3140 TW, VA290021 TW, VA290022 TW, NH172003, VA860021 TW

Application & Compatibility

This turbine wheel is listed for use in Hitachi EX300-1 machinery equipped with Isuzu 6SD1T(CIAQ) engines. The part number 1144003140 TW and associated OEM reference numbers (VA290021 TW, NH172003) are provided for verification purposes. Buyers must verify the specific turbocharger model, engine code, and vehicle application before ordering to ensure correct fitment. This component is intended for replacement applications where the original turbine wheel requires renewal.

Technical Notes

The turbine wheel is a critical rotating component within the turbocharger assembly. Proper balance and material integrity are essential for stable operation. Verify the exact turbocharger configuration (e.g., housing type, bearing housing) matches your unit before installation. This part is supplied as a standalone turbine wheel; it does not include the compressor wheel, actuator, or housing unless specified otherwise.

B2B Supply

LeadTurbo offers volume pricing for distributors, repair shops, and fleet managers. Worldwide shipping is available for this component. Technical fitment support is provided to assist buyers in confirming part numbers and application details. Contact our sales team for bulk order inquiries and lead times.