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6245-81-6902 TENSION ASS’Y for KOMATSU D375A/PC1250

6245-81-6902 Tension Assembly is a genuine Komatsu belt tensioner designed for SAA6D170E-5 series diesel engines used across a wide range of heavy equipment. This automatic belt tensioner maintains proper tension on the engine accessory drive belt, ensuring efficient power transmission to the alternator, fan, and other belt-driven components.

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ItemSpecification
Product NameTENSION ASS’Y (Belt Tensioner Assembly)
Part Number6245-81-6902
BrandKomatsu
Machine ModelKomatsu D375A-8, D375AI-6/8, D375A-8EO Bulldozers; PC1250-8R/11 Excavators; WA600-6R Wheel Loader; WD600-6 Wheel Dozer; HD465-7R/8, HD605-7R/8 Dump Trucks
Weight7.63 KG
MaterialHigh-strength alloy steel with precision-machined pulley and spring/hydraulic tensioning mechanism
ConditionOriginal
Warranty6 Months
PackagingStandard Export Carton
AvailabilityGenerally in stock
OriginChina

Features & Benefits

  • Genuine Komatsu belt tensioner assembly designed for SAA6D170E-5 series diesel engines
  • Automatic tensioning mechanism maintains proper belt tension for efficient accessory drive
  • Spring or hydraulic-driven design provides automatic compensation for belt stretch and wear
  • High-durability construction for continuous operation in mining and construction environments
  • Precision-machined to Komatsu’s exact specifications for proper fitment
  • Direct replacement component requiring no modification for installation
  • Restores accessory drive system performance and minimizes downtime
  • Essential for reliable power transmission to alternator, fan, and other belt-driven components

Compatible Machine

This tension assembly is compatible with:

  • Komatsu D375A-8 Bulldozer
  • Komatsu D375AI-6 Bulldozer
  • Komatsu D375AI-8 Bulldozer
  • Komatsu D375A-8EO Bulldozer
  • Komatsu PC1250-8R Excavator
  • Komatsu PC1250-11 Excavator
  • Komatsu WA600-6R Wheel Loader
  • Komatsu WD600-6 Wheel Dozer
  • Komatsu HD465-7R/8 Dump Truck
  • Komatsu HD605-7R/8 Dump Truck

If you’re unsure whether this tensioner matches your machine, simply provide your machine serial number (S/N) or engine serial number, and our technical team will verify compatibility before shipment.

Applications

The 6245-81-6902 tension assembly is designed for heavy equipment operating under demanding conditions, including:

  • Open-pit Mining
  • Quarry Operations
  • Large-scale Earthmoving
  • Heavy Construction
  • Infrastructure Development

Its robust construction and precision engineering make it a reliable choice for maintaining accessory drive system integrity 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 belt tensioners, we supply a full range of engine components, hydraulic parts, undercarriage parts, filters, and electrical components for Komatsu machinery.

Packaging

Every tension 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 6245-81-6902 TENSION ASS’Y for KOMATSU D375A/PC1250?

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 tensioner is correct for my machine?
A: To ensure perfect compatibility, please provide your machine model and serial number (S/N) or engine serial number to our team. This tensioner is designed for SAA6D170E-5 series engines used in specific D375A and PC1250 models . 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 tension assembly?
A: This automatic belt tensioner maintains proper tension on the engine accessory drive belt, ensuring efficient power transmission to the alternator, fan, and other belt-driven components .

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.