Liugong excavator-CLG-950 final drive sprocket ass’y/OEM supply/high quality spare parts manufacture/China excavator sprocket factory

Liugong excavator-CLG-950 final drive sprocket ass’y/OEM supply/high quality spare parts manufacture/China excavator sprocket factory

Excavator Drive Sprocket: Complete Guide

The drive sprocket (also called final drive sprocket) is a critical component that transfers power from the excavator’s final drive motor to the track chain, enabling movement. Here’s everything you need to know:

1. Functions of a Drive Sprocket

✔ Transmits Power – Converts motor rotation into track movement.
✔ Engages Track Links – Teeth mesh with track chain bushings to propel the machine.
✔ Supports Machine Weight – Works with rollers and idlers to distribute load.

2. Types of Drive Sprockets

3. Signs of a Worn-Out Drive Sprocket

⚠ Pointed or Hooked Teeth (indicates excessive wear)
⚠ Track Slippage or Jumping (poor engagement with chain)
⚠ Grinding/Clicking Noises (misalignment or damaged teeth)
⚠ Uneven Wear on One Side (track tension or alignment issue)
⚠ Cracks or Broken Teeth (requires immediate replacement)

4. Drive Sprocket vs. Idler vs. Carrier Roller

5. Replacement & Maintenance Tips

✔ Check Track Chain & Bushings – Worn chains accelerate sprocket wear.
✔ Replace in Pairs (both left & right sprockets for balanced performance).
✔ Use OEM or Premium Aftermarket Brands (Berco, cqc, Komatsu, CAT).
✔ Inspect Final Drive Seals – Leaks can damage the sprocket hub.
✔ Maintain Proper Track Tension (too tight/loose causes premature wear).