CATERPILLAR E350 Front idler ass’y-OEM quality undercarriage part manufacture-CQC Track supply heavy duty spare part

CAT 350 front idler assembly is a crucial component in the undercarriage system of Caterpillar 350-series excavators. It helps guide and tension the track chain while distributing machine weight. Below are key details about this assembly

1. Function of the Front Idler Assembly

• Maintains proper track tension.
• Guides the track chain smoothly.
• Absorbs shocks and impacts during operation.
• Supports machine weight distribution.

2. Components of the Front Idler Assembly

• Idler Wheel (Front Idler) – The main rotating component.
• Idler Bracket/Support – Holds the idler wheel in place.
• Adjuster Mechanism – Allows track tension adjustment (grease or screw-type).
• Seals & Bearings – Ensure smooth rotation and prevent contamination.
• Shaft & Bushings – Support the idler wheel’s movement.

3. Common Issues & Symptoms of Failure

• Worn Idler Wheel – Causes uneven track wear or derailment.
• Damaged Bearings/Seals – Leads to grinding noise or oil leaks.
• Loose Track – Due to failed adjuster mechanism.
• Cracks or Bent Idler – From impacts or excessive load.

4. Replacement & Maintenance Tips

• Regularly check track tension (adjust as per CAT specs).
• Inspect for oil leaks (indicates seal failure).
• Replace worn idlers promptly to avoid track damage.
• Use genuine or high-quality aftermarket parts for longevity.

5. Compatible Models

The CAT 350 front idler assembly fits various 350-series excavators, including:

• CAT 350L
• CAT 3508
• CAT 350 (older models)

Where to Buy?

• Official CAT dealers (most reliable but expensive).
• Aftermarket suppliers CQC Track
• www.cqctrack.com.

Would you like help finding a specific part number or troubleshooting an issue? Let me know!