
Komatsu D65EX-16 Carrier Roller Assembly/DPW Machinery Parts supply high quality dozer undercarriage parts.
Product Specifications
The Komatsu D65EX-16 Carrier Roller Assembly is a crucial undercarriage component that supports the track chain and helps distribute the machine’s weight. Here’s a detailed breakdown:
Key Features:
Function: Supports the track chain, reduces friction, and ensures smooth movement.
Compatibility: Designed for the Komatsu D65EX-16 bulldozer (and similar models like D65PX-16, D65WX-16).
Material: Typically made from high-strength steel with durable bearings for longevity.
Sealing: Equipped with labyrinth seals or grease seals to prevent dirt and moisture ingress.
Common Part Numbers:
Komatsu OEM Part No.:
144-81-30050 (Carrier Roller Assembly)
14X-30-00140 (Alternate variant)
Aftermarket Alternatives: Available from brands like DPW PARTS;CQCTRACK.
Symptoms of a Failing Carrier Roller:
Excessive track sag or misalignment.
Unusual grinding or squeaking noises.
Visible wear, cracks, or oil leakage from seals.
Uneven track wear patterns.
Replacement & Maintenance Tips:
Inspect Regularly: Check for wear, play, or seal damage.
Lubrication: Some models require periodic greasing (check manual).
Replacement: Always replace in pairs (left & right) for balanced performance.
Torque Specifications: Follow Komatsu’s guidelines when installing bolts.
Where to Buy:
OEM Parts: Komatsu dealerships.
Aftermarket: Reliable suppliers like DPW PARTS.
Online Marketplaces: DPW Machinery Parts Industrial, or specialized undercarriage stores.
Cost Estimate:
OEM: $500 - $1,200 per roller (varies by region).
Aftermarket: $300 - $800 (ensure quality matches OEM standards).
If you need help identifying the exact part number or sourcing one, let me know your machine’s serial number or specific requirements!