6D125 Connecting Rod 6150-31-3100 for Komatsu Engine Parts Diesel Excavator

Product Details

Product Overview

This high-quality connecting rod, identified by part number 6150-31-3100, is a direct replacement component specifically designed for the Komatsu 6D125 diesel engine. As a critical part of the engine’s bottom end, this connecting rod connects the piston to the crankshaft, converting linear piston motion into rotational force. It is commonly used in heavy-duty industrial and construction machinery applications.

Manufactured to meet OEM size specifications, this connecting rod ensures a precise fit and reliable performance. While designed for the 6D125 engine platform, it is commonly used in various Komatsu machinery models, including excavators, bulldozers, and loaders, as well as other equipment powered by this engine series.

Key Features & Benefits

• Precision Engineering: Manufactured to strict OEM dimensional tolerances (OEM Size) for a direct, hassle-free replacement, eliminating the need for modifications.
• Durable Construction: Built from high-strength forged steel to withstand the extreme stress, heat, and pressure of high-performance diesel combustion cycles.
• Enhanced Fatigue Resistance: Designed to resist bending and fatigue failure, ensuring long-term reliability even under continuous heavy load operation.
• Improved Oil Flow: Features precision-drilled oil passages for optimal lubrication of the wrist pin and crankshaft journal, reducing friction and wear.
• Rigorous Quality Control: Each rod is subject to strict inspection, including machinery test reports and video outgoing inspections, to guarantee quality before shipment.
• Cost-Effective Solution: Offers a premium aftermarket alternative to the original Komatsu part, providing excellent value without compromising on performance or safety.

Technical Specifications

OEM Cross-Reference

This connecting rod is a direct replacement for the following original equipment manufacturer (OEM) part numbers:

• Komatsu: 6150-31-3100

Note: While the primary cross-reference is for the Komatsu 6150-31-3100, this part is designed to meet or exceed the specifications of the original component. Always verify your engine’s serial number and the original part’s physical dimensions to ensure compatibility.

Compatibility

This connecting rod is specifically designed for the Komatsu 6D125 diesel engine. Based on this engine platform, it is commonly used for the following machinery applications:

• Excavators
• Bulldozers
• Wheel Loaders
• Forklifts
• Trucks & Buses

Disclaimer: This part is an aftermarket replacement. While it is designed to fit the listed applications, we recommend consulting your equipment’s service manual or a qualified technician to confirm fitment for your specific model and serial number.

Global Supply & Distribution

As a leading supplier based in Guangdong, China, we specialize in the global distribution of high-quality diesel engine parts. We are well-positioned to serve international B2B buyers with efficient logistics and reliable shipping.

• Worldwide Shipping: We offer reliable shipping via sea, air, and express couriers (DHL, FedEx, UPS, TNT) to any destination worldwide.
• Major Markets: Our parts are regularly exported to North America, Europe, Southeast Asia (Asia-Pacific), the Middle East, Africa, and South America.
• Fast Delivery: We maintain substantial stock levels to ensure fast dispatch to major ports like Rotterdam, Los Angeles, Singapore, Dubai, and industrial centers globally.
• Trade Expertise: We are experienced in international trade documentation and customs clearance, ensuring a smooth transaction for our clients.

Quality Assurance

We are committed to providing parts that you can install with confidence. Our quality assurance process includes:

• Manufacturing Standards: Parts are manufactured in ISO-certified facilities, adhering to strict quality management systems.
• Testing: Each production batch undergoes rigorous testing, including dimensional checks and material analysis. A Machinery Test Report is available upon request.
• Inspection: We provide Video Outgoing Inspection to allow you to visually verify the product before it ships.
• Warranty: All parts are backed by a 6-month warranty against manufacturing defects, giving you peace of mind for your investment.

FAQ

Q: Is this connecting rod a direct replacement for the original Komatsu part?
A: Yes, this 6150-31-3100 connecting rod is manufactured to OEM specifications (OEM Size). It is designed as a direct, drop-in replacement for the original Komatsu part on 6D125 engines. No modifications to the engine block, crankshaft, or pistons are required.

Q: What should I check before installing a new connecting rod?
A: Before installation, it is critical to check several things: 1) Ensure the crankshaft journal is in good condition and within service limits. 2) Check the big-end bore size for proper clearance with the crankshaft. 3) Verify the piston pin bushing is correctly sized for your piston pin. 4) Always use new connecting rod bolts and nuts, and tighten them to the manufacturer’s specified torque and angle. We recommend having the work performed by a qualified diesel mechanic.

Q: Does this part come with the connecting rod bearings?
A: This product listing is for the connecting rod itself (part number 6150-31-3100). Connecting rod bearings are typically sold separately, as bearing sizes (standard, 0.25, 0.50, etc.) must be matched to your specific crankshaft journal dimensions. Please consult your service manual to select the correct bearing size for your engine rebuild.