561-33-62120 – Komatsu Piston – HD780 / HD785 / HD985

561-33-62120 – Komatsu Piston – HD780 / HD785 / HD985

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OEM 561-33-62120 piston for HD780, HD785, and HD985 dump trucks. High-strength, precision-engineered piston designed for maximum durability, performance, and engine reliability in heavy-duty mining applications.

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Description

The OEM 561-33-62120 Piston is a genuine, heavy-duty engine component engineered to meet original manufacturer specifications for HD780, HD785, and HD985 mining dump trucks. Designed for high-load and high-temperature environments, this piston ensures optimal combustion efficiency, reduced friction, and long engine service life.

Manufactured from premium alloy materials, the 561-33-62120 piston delivers superior wear resistance and dimensional stability, making it ideal for both engine rebuilds and preventative maintenance. Using OEM pistons helps protect your engine from premature failure, improves fuel efficiency, and maintains factory performance standards.

This piston is a direct-fit replacement, eliminating modification requirements and minimizing downtime during installation.

Key Features & Benefits

  • OEM-grade quality and precision machining

  • Designed for extreme mining and heavy-duty operating conditions

  • Excellent heat resistance and strength

  • Improves engine reliability and combustion efficiency

  • Direct replacement – no modifications required

Compatible Machines

  • HD780 Dump Truck

  • HD785 Dump Truck

  • HD985 Dump Truck

(Compatibility subject to engine configuration – always confirm with serial number before ordering.)

Customer Reviews

⭐️⭐️⭐️⭐️⭐️
“Perfect OEM fit”
Installed during a full engine rebuild on an HD785. Exact fit, excellent quality, and no issues after commissioning.

⭐️⭐️⭐️⭐️⭐️
“Reliable and durable”
Used this piston on an HD780 operating in harsh conditions. Performance is solid and meets OEM expectations.

⭐️⭐️⭐️⭐️⭐️
“Worth the OEM price”
Compared to aftermarket, this OEM piston gives peace of mind and long-term reliability.

Frequently Asked Questions (FAQ)

Q1: Is this piston genuine OEM?
Yes. Part number 561-33-62120 is manufactured to OEM specifications for guaranteed fit and performance.

Q2: Does this piston come with piston rings?
No. Piston rings are typically sold separately unless otherwise stated.

Q3: Can this piston be used for engine rebuilds?
Absolutely. It is ideal for complete engine overhauls, rebuilds, or corrective maintenance.

Q4: Is this part suitable for aftermarket engines?
This piston is designed specifically for OEM engine configurations. Compatibility with aftermarket engines should be confirmed before purchase.

Q5: Do you ship nationwide in South Africa?
Yes, nationwide delivery is available, with import options for stock not held locally.

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