561-32-71123(1

561-32-71123 PISTON for KOMATSU HD785

561-32-71123 Piston is a genuine Komatsu wet disc brake piston designed for HD785-7 rigid dump trucks. This heavy-duty component operates within the front axle brake assembly, applying hydraulic pressure to engage the wet disc brake system for reliable stopping power under the most demanding mining haul conditions.

Share this product:

ItemSpecification
Product NamePISTON (Wet Disc Brake Piston)
Part Number561-32-71123
BrandKomatsu
Machine ModelKomatsu HD785-7 Rigid Dump Truck
Weight54.61 kg
MaterialHigh-strength alloy steel with precision-machined surfaces
ConditionBrand New – Genuine
Warranty6 Months
PackagingStandard Export Carton
AvailabilityGenerally in stock
OriginChina

Features & Benefits

  • Genuine Komatsu wet disc brake piston designed for HD785-7 rigid dump trucks
  • Critical component within the front axle brake assembly for reliable stopping power
  • Manufactured from high-strength alloy steel with precision-machined surfaces
  • Built to withstand extreme loads and continuous operation in mining haul conditions
  • Precision-machined to Komatsu’s exact specifications for proper fitment
  • Direct replacement component that restores brake system performance
  • Essential for safe and reliable machine operation under heavy loads

Compatible Machine

This brake piston is compatible with:

  • Komatsu HD785-7 Rigid Dump Truck (S/N 8173-UP)

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

Applications

The 561-32-71123 brake piston 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 brake 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 brake components, we supply a full range of engine components, hydraulic parts, undercarriage parts, filters, and electrical components for Komatsu machinery.

Packaging

Every piston 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 561-32-71123 PISTON for KOMATSU HD785?

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 piston is correct for my machine?
A: To ensure perfect compatibility, please provide your machine model and serial number (S/N) to our team. This piston is designed for HD785-7 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 piston?
A: This piston operates within the wet disc brake assembly, applying hydraulic pressure to engage the brake system for reliable stopping power under heavy loads .

Q: What is the weight of this piston?
A: The approximate weight is 54 kg .

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.