426-22-31202 is a genuine Komatsu pinion and gear assembly, confirmed for the WA600-6 wheel loader and WD600-6 wheel dozer models . It is a critical drivetrain component within the front axle assembly, operating as part of the differential group to transmit torque and facilitate smooth power delivery to the wheels.
Approx. 5–15 kg (pinion & gear assembly, to be confirmed)
Material
High-strength alloy steel with precision gear-tooth machining and heat treatment
Condition
Brand New – Genuine
Warranty
6 Months
Packaging
Standard Export Carton
Availability
Generally in stock
Origin
China
Features & Benefits
Genuine Komatsu pinion and gear assembly for WA600-6 and WD600-6 applications
Critical drivetrain component within the front axle and differential assembly
Transmits torque and facilitates smooth power delivery to the wheels
Manufactured from high-strength alloy steel with precision-machined gear teeth
Heat-treated for wear resistance and extended service life
Direct replacement component that restores drivetrain performance and minimizes downtime
Compatible Machine
This pinion assembly is compatible with:
Komatsu WA600-6 Wheel Loader
Komatsu WD600-6 Wheel Dozer
If you’re unsure whether this pinion matches your machine, simply provide your machine serial number (S/N), and our technical team will verify compatibility before shipment.
Applications
The 426-22-31202 pinion assembly is designed for heavy equipment operating under demanding conditions, including:
Quarry Operations
Open-pit Mining
Large-scale Earthmoving
Heavy Material Handling
Infrastructure Development
Its role in the front axle and differential system makes it essential for reliable power transmission and machine mobility in continuous production environments.
Why Choose YLCM?
YLCM specializes in supplying genuine Komatsu parts and high-quality aftermarket alternatives to customers worldwide.
We provide:
20+ Years of Industry Experience
Genuine & OEM Parts
Large Warehouse Inventory
Fast Worldwide Delivery
Competitive Factory Pricing
Professional Export Packaging
Technical Support Before and After Sales
Export Experience Serving 60+ Countries
In addition to pinion and gear assemblies, we supply a full range of engine components, hydraulic parts, undercarriage parts, filters, and electrical components for Komatsu machinery.
Packaging
Every pinion assembly is professionally packed to ensure safe international transportation.
Packaging options include:
Export-standard wooden crates
Anti-vibration protection
Rust-proof treatment
Moisture-proof protection
Heavy-duty steel frame
Sea freight
Air freight
Each unit is securely packaged to minimize transportation risks and ensure arrival in excellent condition.
Shipping
We offer flexible shipping solutions to meet your project timelines:
Sea Freight (FCL/LCL)
Air Freight
Our logistics team will confirm the final lead time and shipping solution based on your destination.
Request a Quote
Looking for the 426-22-31202 PINION ASS’Y for KOMATSU WA600/WD600?
Contact YLCM today to receive:
Latest Quotation
Delivery Lead Time
Packing Details
Shipping Solutions
Technical Support
OEM Part Verification
Our experienced sales team will respond promptly with a competitive quotation and professional service tailored to your project requirements.
Frequently Asked Questions
Q: Is this a genuine Komatsu part? A: We supply both genuine Komatsu parts and high-quality aftermarket alternatives. Please contact us with your preference, and we will be happy to assist.
Q: How do I confirm this pinion is correct for my machine? A: To ensure perfect compatibility, please provide your machine model and serial number (S/N) to our team. This pinion is confirmed for WA600-6 and WD600-6 applications . 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, based on your destination and shipping method preference.
Q: What is the function of this pinion assembly? A: This pinion and gear assembly operates within the front axle differential, transmitting torque and facilitating smooth power delivery to the wheels.
Q: Do you offer technical support for installation? A: Yes, our professional technical support team is available to assist you both before and after the sale.