KOMATSU Crankshaft – Product Overview
This Crankshaft is a high-quality replacement component designed for KOMATSU construction equipment and industrial engines. Manufactured to meet or exceed OEM specifications, it ensures reliable performance and long service life in demanding operating conditions.
Applications
This Crankshaft is compatible with a wide range of KOMATSU machine models and engine configurations. It is designed as a direct OEM replacement requiring no modifications for installation.
Compatible OEM Part Numbers
We supply the following comprehensive list of KOMATSU Crankshaft part numbers:
- Primary Part Number: 6151-35-1010 6151-31-1110
If your specific part number is not listed, please contact our sales team with your machine model and serial number.
Technical Specifications
- Product Type: Crankshaft
- Material: Forged steel / Cast iron
- Journal Finish: Precision ground and polished
- Quality: OEM specification
Installation Guide
- Ensure the machine is on level ground, engine off, and all systems are safely depressurized before starting work.
- Clean the area around the component thoroughly to prevent contamination during removal and installation.
- Refer to the manufacturer service manual for the specific removal and installation procedure.
- Use proper tools and lifting equipment as specified in the service manual.
- Replace all gaskets, seals, and O-rings with new ones during installation.
- Tighten all fasteners to the manufacturer’s specified torque values using a calibrated torque wrench.
- After installation, check for proper operation and leaks before returning the machine to service.
Price Range
$500 – $4,500 USD per crankshaft (depending on engine size)
Volume discounts are available for fleet operators and repair shops. Contact our sales team for a firm quote based on your specific part number and quantity requirements.
Maintenance Tips
- Check crankshaft for cracks using magnetic particle inspection.
- Measure main and rod journal diameters for wear.
- Check crankshaft end play during assembly.
- Use new main bearing bolts and caps.
- Balance the crankshaft during engine rebuilding.
Warranty
All products supplied by us are covered by a 12-month warranty against manufacturing defects in materials and workmanship. The warranty covers replacement or repair at our discretion. Proper installation by a qualified technician and adherence to the recommended maintenance schedule are required for warranty validity.
Shipping and Delivery
In-stock items ship within 24-48 hours via express freight (DHL, FedEx, or UPS). Standard delivery time is 5-10 business days worldwide. All shipments are fully insured and include tracking information.
Why Choose Our Products?
- Direct OEM replacement with guaranteed fitment and performance
- Rigorous quality testing before shipment
- Competitive pricing with factory-direct supply chain
- Technical support available for installation and troubleshooting
- Proven reliability with thousands of units supplied worldwide
