Product Details

Product Overview

This premium Komatsu 6D110 Crankshaft (Part Number: 6138-31-1010) is a direct replacement engine component designed for high performance and durability. Manufactured to meet or exceed OEM specifications, this crankshaft is ideal for B2B buyers in the construction, mining, and heavy equipment industries. We offer global shipping to major markets including North America, Europe, Asia-Pacific, the Middle East, and Africa, ensuring fast and reliable delivery to your port or warehouse.

Key Features & Benefits

• Superior Strength: Forged from high-grade alloy steel for exceptional tensile strength and resistance to torsional fatigue.
• Precision Engineering: Machined to exact tolerances for a perfect fit and balanced rotation, minimizing vibration and wear.
• Enhanced Durability: Induction-hardened journal surfaces and fillet rolling improve service life under heavy loads.
• Direct OEM Replacement: Designed for seamless installation without modifications, reducing downtime.
• Cost-Effective Solution: High-quality aftermarket alternative to OEM parts, offering excellent value for bulk procurement.

Technical Specifications

OEM Cross-Reference

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

• Komatsu: 6138-31-1010, 6138-31-1011
• Alternative: 6138-31-1020 (superseded)

*Always verify fitment with your engine serial number before purchase.

Compatibility

• Engine Models: Komatsu 6D110, 6D110-1, 6D110-2
• Vehicle Applications: Komatsu bulldozers (D65, D85 series), excavators (PC200, PC300 series), wheel loaders (WA380, WA420 series), and other heavy equipment using the 6D110 engine.
• Year Ranges: Late 1980s to early 2000s (confirm with engine tag).

Global Supply & Distribution

We are a trusted supplier to the global aftermarket, offering:

• Worldwide Shipping: Reliable logistics via sea, air, or express courier (DHL, FedEx, UPS).
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands), Asia-Pacific (China, Japan, Australia), Middle East (UAE, Saudi Arabia), and Africa (South Africa, Nigeria).
• Fast Delivery: Stock items shipped within 24-48 hours to major ports like Rotterdam, Shanghai, Dubai, and Los Angeles.
• Export Expertise: Experienced in international trade documentation, customs clearance, and compliance with import regulations.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001:2015 certified facilities under strict quality control.
• Testing: Each crankshaft undergoes magnetic particle inspection (MPI) and dimensional checks to ensure defect-free performance.
• Warranty: 12-month warranty against manufacturing defects from the date of shipment.

FAQ

Q1: Is this crankshaft a direct fit for my Komatsu 6D110 engine?
Yes, this part (6138-31-1010) is an OEM-spec replacement designed for the Komatsu 6D110 engine series. However, we recommend verifying your engine serial number and comparing it with the cross-reference list above to ensure compatibility, as minor design variations may exist between production years.

Q2: What maintenance should be performed during crankshaft installation?
Always replace main and rod bearings, thrust washers, and oil seals during installation. Ensure the crankshaft is clean, lubricated with assembly lube, and that the bearing clearances are checked with plastigauge. Torque all bolts to factory specifications using a calibrated torque wrench.

Q3: Do you offer bulk pricing or expedited shipping for large orders?
Yes, we provide tiered discounts for bulk and wholesale orders. For expedited shipping (e.g., 3-5 day delivery by air), please contact our sales team for a customized quote. We can arrange drop-shipping or consolidation for container loads.

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 .