6745-31-1120

6745-31-1120 Crankshaft for Komatsu SAA6D114E Engine

The 6745-31-1120 Crankshaft is a premium, direct-fit replacement crankshaft, precisely engineered for the Komatsu SAA6D114E diesel engine. As the backbone of the engine's rotating assembly, this crankshaft is designed to convert the linear motion of the pistons into rotational torque, delivering smooth and reliable power to the drivetrain under the most demanding working conditions. 

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ItemSpecification
Product NameCrankshaft
Part Number6745-31-1120
Engine ModelKomatsu SAA6D114E
Weight78.0 kg
MaterialHigh-strength Forged Steel with precision-machined journals and heat-treated for superior durability, wear resistance, and fatigue strength.
ConditionBrand New – Genuine
Warranty6 Months
PackagingRobust Export Wooden Case / Steel Frame with internal foam padding and moisture-proof wrapping, ensuring maximum protection during international transit.
AvailabilityGenerally in stock, subject to final confirmation upon order.
OriginChina

Features & Benefits

  • Precision Compatibility: Engineered for a perfect, direct fit on Komatsu SAA6D114E engine assemblies, ensuring straightforward installation.
  • Superior Strength: Constructed from high-strength forged steel with precision-machined journals, offering exceptional resistance to wear, fatigue, and torsion for a prolonged operational lifespan.
  • Smooth Power Delivery: Designed to convert piston motion into rotational torque with minimal vibration, ensuring smooth engine operation and reliable power transmission.
  • Rigorous Quality Assurance: Each unit undergoes comprehensive factory testing for dimensional accuracy, balance, and performance before shipment.
  • Cost-Effective Value: Provides exceptional value compared to alternatives, combining reliable performance with competitive pricing.

Compatible Engine & Applications

Compatible Engine
This crankshaft is specifically designed for the:

  • Komatsu SAA6D114E Diesel Engine

To ensure correct matching, please provide your engine serial number (E/S) or machine serial number (S/N) to our team. We will verify the match for you promptly.

Applications
This crankshaft is a vital component for machinery operating in:

  • Heavy Construction and Earthmoving
  • Mining and Quarry Operations
  • Aggregate Processing and Material Handling
  • Forestry and Land Clearing
  • Industrial Power Generation

Why Choose YLCM?

YLCM Parts is your trusted global supplier of high-quality engine components and spare parts for all major heavy equipment brands. With over 22 years of industry experience, we are committed to providing:

  • Genuine, Aftermarket & OEM-Spec Options: We offer flexible sourcing to meet your specific quality and budget needs.
  • Factory-Direct Pricing: We partner directly with verified manufacturers to ensure competitive costs.
  • Global Reach: We have successfully exported to more than 50 countries.
  • Uncompromising Quality: Every product is sourced from reputable factories and inspected before shipment.
  • Expert Support: Our knowledgeable team provides fast, accurate technical support and 24-hour quote responses.

Packaging & Shipping

We ensure all parts are securely packaged for international transit.

  • Packaging Options: Robust export wooden case / steel frame with internal foam padding and moisture-proof wrapping, selected based on the item’s size and fragility.
  • Protection: Includes secure internal bracing to prevent damage during sea, rail, or multimodal transport.

Frequently Asked Questions

  • Q: Is this a genuine Komatsu part?
    A: Yes, our engine products are genuine Komatsu parts. In addition, we also offer high-quality aftermarket and OEM-spec components to meet diverse customer needs and budget requirements. Please contact us if you have a specific preference, and we will be happy to assist.
  • Q: How do I confirm this part is correct for my engine or machine?
    A: To ensure perfect compatibility, please provide your engine serial number (E/S), machine serial number (S/N), or the original part number to our team. We will verify the match for you promptly.
  • Q: What is the warranty on this product?
    A: This product comes with a standard 6-month warranty against manufacturing defects.
  • Q: What is the typical shipping time?
    A: This item is generally in stock. The final lead time will be confirmed when we provide your official quote.

Request a Quote

Looking for the 6745-31-1120 Crankshaft for Komatsu SAA6D114E Engine?

Contact YLCM today to receive:

  • Latest price
  • Delivery schedule
  • Packing information
  • Shipping quotation
  • Technical consultation

Our experienced sales team will respond promptly with a professional quotation tailored to your requirements.