Komatsu-PC200-8 Track Roller assembly(VA4020G0;KM1428)High-Quality Undercarriage Replacement Parts
Product Specifications
Ensure smooth operation and extend the life of your Komatsu PC200-8 excavator with a durable track roller assembly. The track roller is a critical undercarriage component that supports the machine’s weight, reduces friction, and maintains proper track alignment.
Komatsu PC200-8 Track Roller Assembly Components:
Track Roller – Guides the track chain and reduces friction.
Shaft & Bushings – Provides rotation support for the roller.
Seals & Bearings – Prevents dirt ingress and ensures smooth operation.
Bolts & Retaining Hardware – Secures the roller to the undercarriage frame.
Common Part Numbers:
Komatsu OEM Part Numbers:
Roller Assembly: VA4020G0/VA4020E0/KM1428/KJ1428 (varies by serial number)
Seal Kits: 20Y3000130 (for rebuilds)
Aftermarket Alternatives:
Many manufacturers (CQC TRACK/DPW PARTS) offer compatible rollers.
Symptoms of a Failing Track Roller:
Excessive noise or grinding from the undercarriage.
Uneven track wear or misalignment.
Leaking grease from damaged seals.
Reduced mobility or jerky track movement.
Replacement Tips:
Check Serial Number – Komatsu parts vary by machine serial range.
Inspect Adjacent Components – Look for wear on sprockets, idlers, and track chains.
Use Proper Tools – A hydraulic jack and pry bars may be needed for removal.
Lubricate New Roller – Ensure proper greasing before installation.
Where to Buy:
Komatsu Dealers (Genuine parts, highest cost)
Undercarriage Specialty Suppliers (DPW PARTS IN CHINA)
Online Marketplaces (PDW MACHINERY PARTS)
Would you like help finding a specific part number or supplier for your PC200-3/5/6/7-8? Let me know your machine's serial number for precise details!
