6D125 Cylinder Block for Komatsu PC400-5 Excavator Engine Parts

Product Details

Product Overview

This high-quality 6D125 Cylinder Block is specifically designed for use in Komatsu PC400-5 excavators and other heavy machinery equipped with the 6D125 diesel engine. As a critical engine component, this cylinder block provides the structural foundation for the entire engine assembly, housing the cylinders, crankshaft, and other vital internal parts.

Manufactured to OEM size specifications, this cylinder block ensures a precise fit and reliable performance for your Komatsu engine. It is a direct replacement part, commonly used in excavators, bulldozers, loaders, and trucks that utilize the robust 6D125 engine platform.

This product is ideal for B2B buyers seeking a durable, cost-effective alternative to original manufacturer parts without compromising on quality or dimensional accuracy. It is sourced from a reputable Guangdong-based supplier with extensive experience in the heavy equipment parts industry.

Key Features & Benefits

• Precision Engineering: Manufactured to OEM specifications (OEM Size) for a direct, hassle-free replacement, ensuring proper alignment and sealing of all engine components.
• Durable Construction: Built from high-strength materials to withstand the extreme pressures and temperatures of diesel engine operation, providing long service life.
• Enhanced Fit Confidence: Specifically designed for the Komatsu 6D125 engine model, commonly found in PC400-5 excavators, reducing the risk of fitment issues.
• Rigorous Quality Control: Each cylinder block undergoes machinery test reports and outgoing inspections, including video inspection, to verify dimensional accuracy and structural integrity.
• Versatile Application: Suitable for a wide range of heavy equipment, including excavators, bulldozers, loaders, trucks, and forklifts powered by the 6D125 engine.
• Cost-Effective Solution: Offers a reliable aftermarket option that balances performance with budget considerations for fleet maintenance and repair operations.

Technical Specifications

OEM Cross-Reference

This cylinder block is a direct aftermarket replacement for the following original OEM part numbers. Please verify your specific engine serial number for exact compatibility.

• Komatsu OEM: 6D125-XXXXX (Various sub-numbers for PC400-5)
• Reference Numbers: 6205-21-1100, 6205-21-1101 (Common Komatsu cylinder block numbers for 6D125 engines)

Note: It is always recommended to cross-reference your old part number with our team to confirm exact match before purchase.

Compatibility

This cylinder block is commonly used for the following equipment and engine types:

• Engine Models: Komatsu 6D125, 6D125-1, 6D125-2
• Excavators: Komatsu PC400-5, PC400-6, PC400LC-5
• Bulldozers: Komatsu D155A-5, D155AX-5
• Loaders: Komatsu WA470-5, WA500-5
• Trucks: Various heavy-duty dump trucks and mining trucks using 6D125 engines
• Other Applications: Forklifts, generators, and industrial machinery powered by Komatsu 6D125 diesel engines

Global Supply & Distribution

We offer worldwide shipping capabilities to support B2B customers across the globe. Our logistics network ensures fast and reliable delivery to major ports and industrial centers.

• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Australia, Japan, Singapore, Indonesia), Middle East (UAE, Saudi Arabia, Qatar), Africa (South Africa, Nigeria, Kenya), and South America (Brazil, Chile, Peru).
• Shipping Options: Sea freight (FOB/CIF), air freight, and express courier (DHL, FedEx, UPS) available depending on order volume and urgency.
• Export Experience: Our team has extensive experience with international trade documentation, customs clearance, and compliance with import regulations in various countries.
• Lead Times: Standard orders ship within 7-15 business days. Bulk and custom orders may require additional lead time, which will be communicated upon inquiry.

Quality Assurance

We are committed to delivering high-quality products that meet the demanding requirements of the heavy equipment industry.

• Manufacturing Standards: Parts are manufactured in ISO-certified facilities, adhering to strict quality control processes from raw material selection to final assembly.
• Testing Procedures: Each cylinder block undergoes comprehensive machinery test reports and video outgoing inspections to verify dimensional accuracy, surface finish, and structural integrity before shipment.
• Warranty: All products come with a 6-month warranty against manufacturing defects. Within this period, we provide replacement or refund for any defective items.
• Traceability: Each part is marked with batch numbers for full traceability, ensuring accountability and quality assurance throughout the supply chain.

FAQ

Q1: How can I confirm this cylinder block will fit my Komatsu PC400-5 excavator?
A: Please verify your engine serial number and existing cylinder block part number. This block is specifically designed for the Komatsu 6D125 engine, which is the standard power unit for the PC400-5 series. For absolute certainty, provide us with your machine’s serial number and the old part number, and our technical team can cross-reference it against our database to confirm compatibility.

Q2: What are the critical installation steps for this cylinder block?
A: Installation should be performed by a qualified diesel mechanic. Key steps include: (1) Thoroughly cleaning the block and all mating surfaces; (2) Checking cylinder bore dimensions and honing if necessary; (3) Installing new main bearing caps with correct torque specifications; (4) Using new gaskets and seals throughout; (5) Priming the oil system before initial startup. Always refer to the Komatsu service manual for your specific engine model for detailed torque values and procedures.

Q3: What maintenance is recommended after installing a new cylinder block?
A: After installation, it is critical to perform a proper engine break-in procedure. This includes: (1) Running the engine at varying RPMs (avoid sustained idling or full load) for the first 50 hours; (2) Changing engine oil and filter after the initial 50-hour break-in period; (3) Regularly checking coolant and oil levels; (4) Monitoring for any unusual noises or leaks during the first 100 hours of operation. Following these steps will maximize the lifespan of the new cylinder block and overall engine.