Hitachi-EX1800 Track Roller Group/Heavy-duty construction undercarriage components manufacture/OEM source factory in quanzhou China.

Hitachi EX1800 Track Roller Group – Complete Guide

The Track Roller Group is a crucial undercarriage component for the Hitachi EX1800 mining shovel or excavator, designed to support the machine’s weight, guide the track chain, and reduce friction during operation. Below is a detailed breakdown of its specifications, compatibility, and maintenance tips.

1. Key Features & Functions

✔ Heavy-Duty Construction – Made from high-strength forged or alloy steel for durability in mining/extreme conditions.
✔ Sealed & Lubricated Bearings – Reduces friction and extends service life.
✔ Precision Machining – Ensures smooth track movement and minimizes wear on other undercarriage parts.
✔ Compatibility – Specifically designed for Hitachi EX1800 (confirm exact model variant).

Functions:

• Supports the excavator’s weight and distributes load evenly.
• Guides the track chain to prevent misalignment.
• Works in tandem with idlers, sprockets, and carrier rollers.

2. Signs of Wear or Failure

⚠ Excessive noise (grinding/squeaking) from undercarriage
⚠ Visible flat spots, cracks, or uneven wear on rollers
⚠ Track misalignment or derailment issues
⚠ Fluid leaks from damaged seals
⚠ Increased track tension adjustments needed

Ignoring worn rollers can lead to accelerated track chain and sprocket wear.

3. OEM vs. Aftermarket Options

Recommendation:

• For maximum longevity → OEM (best for severe-duty mining applications).
• For cost efficiency → Reputable aftermarket brands (CQC TRACK).

4. Where to Buy?

 www.cqctrack.com