Product Overview

This is a premium replacement crankshaft engineered for Caterpillar D6D excavator engines. Manufactured to exacting OEM specifications from high-grade forging material, it is designed to restore full power and longevity to your heavy-duty equipment. We specialize in global B2B supply, serving major industrial markets worldwide with reliable shipping and expert export support.

Key Features & Benefits

• Premium Forging Material: Constructed from high-strength alloy steel using precision forging processes for superior grain structure, fatigue resistance, and impact strength compared to cast alternatives.
• Precision Engineered: Machined to exact OEM tolerances for perfect fitment, ensuring optimal oil clearance, bearing alignment, and engine balance.
• Enhanced Durability: Advanced heat treatment and surface finishing processes (such as induction hardening or nitriding) maximize wear resistance and extend service life under extreme loads.
• Restored Engine Performance: Direct replacement designed to restore original engine compression, horsepower, and smooth operation, minimizing downtime.
• Rigorous Quality Control: Each crankshaft undergoes dimensional inspection, magnetic particle testing, and hardness verification to ensure defect-free delivery.

Technical Specifications

OEM Cross-Reference

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

• Caterpillar: 04502838, 20459146

Note: Always verify part number compatibility with your specific engine serial number before purchase.

Compatibility

This crankshaft is designed for use in:

• Engine Model: Caterpillar D6D Diesel Engine.
• Primary Application: Caterpillar D6D Track-Type Tractors (Excavators).
• Typical Equipment: Used in various configurations of the Cat D6D bulldozer/excavator, a common model in heavy construction, mining, and quarrying.

Global Supply & Distribution

We are a trusted partner for international B2B buyers in the heavy equipment aftermarket. Our logistics network ensures efficient delivery to key industrial regions.

• Worldwide Shipping: We export via air and sea freight to all major global markets.
• Key Markets Served: North America (USA, Canada), Europe (UK, Germany, Netherlands), Asia-Pacific (Australia, Singapore, Japan), the Middle East (UAE, Saudi Arabia), and South America.
• Fast Port Delivery: Consolidated shipments to major hubs like Rotterdam, Los Angeles, Singapore, and Jebel Ali for streamlined local distribution.
• Export Compliance: All documentation (Commercial Invoice, Packing List, Certificate of Origin) is provided, ensuring smooth customs clearance worldwide.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities adhering to strict quality management systems. Manufacturing processes mirror OEM specifications.
• Comprehensive Testing: Every unit undergoes a battery of tests including dimensional accuracy checks, crack detection via magnetic particle inspection (MPI), and hardness testing to ensure material integrity.
• Warranty: Backed by a standard 12-month warranty against manufacturing defects, providing confidence and security for your investment.

FAQ

Q1: How do I confirm this crankshaft fits my specific Caterpillar D6D engine?
A1: The most reliable method is to cross-reference the part number stamped on your original crankshaft or listed in your engine’s service manual with our primary numbers (04502838, 20459146). We also recommend matching your engine’s serial number range with the application guide.

Q2: What preparatory steps are required before installing this replacement crankshaft?
A2: Critical steps include thoroughly cleaning the engine block and oil galleries, inspecting and replacing main and rod bearings as a set, verifying the alignment of all main bearing bores, and ensuring the new crankshaft is clean and lubricated prior to installation to prevent startup scoring.

Q3: Do you supply the crankshaft as a standalone unit, or are related components included?
A3: This listing is for the crankshaft as a core component. Related parts such as main bearings, rod bearings, seals, and bolts are typically sold separately. We can provide these as part of a comprehensive engine rebuild kit upon request.

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 .