Product Overview

This high-performance forged steel crankshaft is engineered as a direct replacement for the Komatsu 6D140 diesel engine. Designed for durability and precision, it is a critical component for maintaining optimal engine performance in heavy machinery. We specialize in supplying this genuine-quality part with reliable global shipping to major industrial markets worldwide, including North America, Europe, the Middle East, and Asia-Pacific.

Key Features & Benefits

• Premium Forged Steel Construction: Manufactured from high-grade forged steel for exceptional strength, fatigue resistance, and longevity under extreme loads.
• Precision Engineered to OEM Specifications: Guaranteed to meet or exceed original dimensions, weight, and balance for a perfect fit and seamless installation.
• Enhanced Durability: Advanced heat treatment and machining processes ensure superior surface hardness and wear resistance for extended service life.
• Rigorous Quality Control: Each crankshaft undergoes comprehensive machinery testing and video-recorded outgoing inspections to verify integrity and performance.
• Global Compliance Ready: Packaged and documented for smooth international export and customs clearance.

Technical Specifications

OEM Cross-Reference

This crankshaft is a direct replacement for the following OEM part number:

• Komatsu: 6261-31-1200

Note: Always verify the part number stamped on your original component for absolute compatibility. Contact our technical support for confirmation on alternative or superseded part numbers.

Compatibility

This crankshaft is specifically designed for the Komatsu 6D140 diesel engine. It is compatible with a wide range of heavy machinery and equipment powered by this engine, including but not limited to:

• Komatsu Excavators
• Forklifts
• Trucks
• Loaders
• Bulldozers
• Buses
• Other Industrial and Construction Machinery

Global Supply & Distribution

We are a trusted B2B supplier with extensive experience in the international automotive parts trade. Our logistics network ensures efficient delivery to key global markets.

• Worldwide Shipping: We export to all major regions, including North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands), the Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Singapore, Japan), and South America.
• Fast Delivery to Hubs: Consolidated shipping to major ports and industrial centers for cost-effective and timely delivery to your warehouse or workshop.
• Export Expertise: All documentation, including commercial invoices, packing lists, and certificates, is prepared to comply with international shipping regulations.

Quality Assurance

We stand behind the quality of every part we supply. Our commitment to excellence is backed by a solid warranty and transparent testing.

• Warranty: Backed by a 6-month warranty from the date of purchase against manufacturing defects.
• Testing & Inspection: Every crankshaft is subject to a detailed Machinery Test Report. Furthermore, a Video Outgoing-Inspection is provided upon request, offering visual proof of the part’s condition before dispatch.
• Manufacturing Standards: Produced in ISO-certified facilities using precision CNC machinery to ensure dimensional accuracy and material integrity.

FAQ

Q: How can I confirm this crankshaft will fit my Komatsu 6D140 engine?
A: The primary identifier is the OEM part number. Please locate the part number stamped on your original crankshaft (typically 6261-31-1200) and match it with our listing. You can also provide your engine’s model and serial number to our support team for verification.

Q: What is included in the video outgoing-inspection?
A: The video inspection documents the final quality check, showing critical dimensions being measured, visual surface inspection for cracks or imperfections, and the final packaging process. This provides an additional layer of transparency and quality assurance before the part is shipped.

Q: Do you provide technical support for installation?
A> While we supply the component, installation should be performed by a qualified mechanic familiar with heavy-duty diesel engines. We can provide general installation guidelines and torque specifications. For complex issues, we recommend consulting the official Komatsu service manual or a certified technician.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .