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Beijing Silk Road Enterprise Management Services Co.,Ltd.

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China Komatsu 6D125 S6D125 Diesel Excavator Engine Cylinder Head Assembly for PC300-7
China Komatsu 6D125 S6D125 Diesel Excavator Engine Cylinder Head Assembly for PC300-7

  1. China Komatsu 6D125 S6D125 Diesel Excavator Engine Cylinder Head Assembly for PC300-7

Komatsu 6D125 S6D125 Diesel Excavator Engine Cylinder Head Assembly for PC300-7

  1. MOQ: 1 Piece
  2. Price: USD 450-680 / Piece
  3. Get Latest Price
Payment Terms T/T, L/C, PayPal, Western Union
Supply Ability 500 Pieces per Month
Delivery Time 3-5 working days for stock, 15-25 days for production
Packaging Details Shock-proof foam with wooden crate, export-grade moisture-proof packaging
Engine Model 6D125, S6D125, SAA6D125E-5
Compatible Excavator PC300-7, PC400-7, PC300LC-7, PC400LC-7, PC300-8, PC400-8
Material High-Strength Alloy Cast Iron
Valve Configuration 16-Valve DOHC
Surface Finish Precision Ground, Mirror Finish
Intake Valve Diameter 45mm
Exhaust Valve Diameter 38mm
Valve Guide Material Powder Metallurgy
Valve Seat Material Stellite Alloy
Weight 85 kg
Included Components Valves, Springs, Retainers, Seals, Pre-installed
Brand Name TradeClaw
Model Number 6D125-CH-01
Place of Origin Guangdong, China
Certification ISO 9001:2015

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T, L/C, PayPal, Western Union Supply Ability 500 Pieces per Month
Delivery Time 3-5 working days for stock, 15-25 days for production Packaging Details Shock-proof foam with wooden crate, export-grade moisture-proof packaging
Engine Model 6D125, S6D125, SAA6D125E-5 Compatible Excavator PC300-7, PC400-7, PC300LC-7, PC400LC-7, PC300-8, PC400-8
Material High-Strength Alloy Cast Iron Valve Configuration 16-Valve DOHC
Surface Finish Precision Ground, Mirror Finish Intake Valve Diameter 45mm
Exhaust Valve Diameter 38mm Valve Guide Material Powder Metallurgy
Valve Seat Material Stellite Alloy Weight 85 kg
Included Components Valves, Springs, Retainers, Seals, Pre-installed Brand Name TradeClaw
Model Number 6D125-CH-01 Place of Origin Guangdong, China
Certification ISO 9001:2015
High Light Cylinder Head Komatsu 6D125 EngineDirect-Fit OEM Engine ReplacementExcavator Cylinder Head Assembly

Cylinder Head Assembly for Komatsu 6D125 S6D125 Diesel Excavator Engine

Designed as a direct-fit OEM replacement, this cylinder head assembly delivers plug-and-play installation for Komatsu 6D125 and S6D125 diesel engines — no machining, no modification, no adapters required. Simply remove the old head and bolt this one on to restore full engine compression and performance.

Key Features

  • Precision OEM Fit: Manufactured to exact OEM specifications for Komatsu PC300-7, PC400-7, PC300LC-7, PC400LC-7 and compatible models
  • High-Strength Alloy Cast Iron: Exceeds OEM material grade with enhanced thermal fatigue resistance for extended service life under heavy-duty excavator operations
  • 16-Valve DOHC Design: Optimized airflow geometry for improved combustion efficiency and fuel economy
  • Pre-Installed Components: Comes complete with valves, valve springs, retainers, and stem seals — fully assembled and ready to install
  • Stellite Alloy Valve Seats: Superior wear resistance at high temperatures, significantly extending valve seat service intervals
  • Powder Metallurgy Valve Guides: Self-lubricating design reduces stem-to-guide wear by up to 40 percent compared to conventional cast iron guides
  • ISO 9001:2015 Certified: Every unit undergoes multi-point dimensional inspection and pressure testing before shipment

Technical Specifications

Engine Models6D125, S6D125, SAA6D125E-5
Compatible ExcavatorsKomatsu PC300-7, PC400-7, PC300LC-7, PC400LC-7, PC300-8, PC400-8
Valve Configuration16-Valve DOHC
Intake Valve Diameter45 mm
Exhaust Valve Diameter38 mm
Valve Guide MaterialPowder Metallurgy (Self-Lubricating)
Valve Seat MaterialStellite Alloy
Cylinder Head MaterialHigh-Strength Alloy Cast Iron
Surface FinishPrecision Ground, Mirror Finish
Weight85 kg (assembled)

Wide Compatibility — Multi-Brand Coverage

This cylinder head assembly is engineered with broad cross-model compatibility across the Komatsu 6D125 engine family. Whether your fleet runs PC300, PC400, PC300LC, or PC400LC in -7 or -8 series, this single part number covers them all — simplifying your spare parts inventory management and reducing procurement complexity.

Packaging and Shipping

  • Individual shock-proof foam wrapping with reinforced wooden crate
  • Export-grade moisture-proof packaging with desiccant bags
  • Full dimensional inspection report and pressure test certificate included
  • Standard sea freight from Guangzhou/Shenzhen ports; air freight available upon request

Why Choose This Cylinder Head?

  • No Downtime Surprises: True plug-and-play replacement eliminates on-site machining delays
  • Built to Outlast: Alloy cast iron body with Stellite seats handles extreme thermal cycling
  • One SKU, Many Machines: Covers multiple Komatsu models across two engine series
  • Factory-Direct Pricing: Cut out middlemen and access OEM-grade quality at aftermarket prices
  • 3-Month Warranty: Full replacement guarantee against manufacturing defects

Contact us today for wholesale pricing, bulk order discounts, and technical specifications.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller

  • Year Established:

    2009

  • Employee Number:

    150~180

  • Ecer Certification:

    Verified Supplier

Beijing Silk Road Enterprise Management Services Co.,LTD is a professional company focus on Excavator Spare Parts business. Beijing Silk Road also will responsible with exporting and logistic business.   We believe in the power of collaboration and teamwork. Our consultants work closely w... Beijing Silk Road Enterprise Management Services Co.,LTD is a professional company focus on Excavator Spare Parts business. Beijing Silk Road also will responsible with exporting and logistic business.   We believe in the power of collaboration and teamwork. Our consultants work closely w...

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  • Beijing Silk Road Enterprise Management Services Co.,Ltd.
  • 16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
  • https://www.excavator-engineparts.com/

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