Komatsu Excavator Undercarriage Part PC200-7 Top Roller Heavy Duty and Heavy Load

Komatsu PC200-7 Top Roller Carrier Roller, Heavy Duty Abrasion Resistant Upper Roller, Dust & Mud Proof Leak-Free Undercarriage Spare Parts, OEM Replacement for Nigeria Quarry, Road & Mining Construction, In Stock Fast Shipment To Lagos.

The PC200-7 Carrier Roller is a critical excavator undercarriage component designed for Komatsu crawler excavators operating under heavy-load and high-impact working conditions. Manufactured using premium alloy steel and advanced hardening technology, this excavator top roller delivers reliable upper track support, smooth rotation performance, and excellent resistance to wear and deformation.

Designed specifically for Komatsu PC200-7 excavators, this heavy-duty upper roller assembly is suitable for mining sites, quarry operations, construction projects, and large-scale earthmoving applications.

Key Features of PC200-7 Top Roller

Heavy-load Support Structure

The reinforced roller body is engineered to withstand continuous heavy-duty crawler operation and high machine pressure.

High-strength Alloy Steel Construction

Premium forged steel material improves structural strength and impact resistance in harsh environments.

Smooth Track Chain Operation

Supports stable upper track movement and helps maintain crawler balance during excavation work.

Advanced Heat Treatment Technology

Deep hardening treatment enhances wear resistance and extends operational lifespan.

Reliable Floating Seal Design

The sealing system effectively protects internal components from mud, dust, and oil leakage.

Reduced Maintenance Frequency

Long-life lubrication and durable internal components help lower maintenance costs and downtime.

Application Industries

This Komatsu PC200-7 carrier roller is widely used in:

• Mining machinery
• Quarry equipment
• Construction excavators
• Road construction projects
• Earthmoving operations
• Infrastructure engineering
• Heavy crawler equipment

Advantages of Our Carrier Rollers

• Professional excavator undercarriage parts factory
• Stable product quality and strict inspection
• Heavy-duty design for demanding applications
• Competitive factory direct pricing
• OEM and customized manufacturing support
• Fast production and international delivery
• Experienced export cooperation service

Production Process

Each PC200-7 upper roller is produced through advanced manufacturing procedures:

Forged Steel Processing

Improves internal density and increases load-bearing performance.

Precision CNC Machining

Ensures accurate dimensions and stable installation compatibility.

Automatic Heat Treatment

Enhances surface hardness and operational durability.

Floating Seal Assembly

Provides long-term lubrication protection and contamination resistance.

Final Inspection & Testing

All products undergo strict quality control before shipment.

Benefits of Premium Excavator Top Rollers

Using high-quality carrier rollers can help:

• Extend undercarriage component lifespan
• Improve crawler operational stability
• Reduce abnormal track wear
• Lower maintenance and repair costs
• Minimize machine downtime
• Increase working efficiency

We supply high quality all kinds of undercarriage parts, 100% factory tested before delivery. With competitive factory prices and timely delivery, we hope to serve you by all ways you need. One year warranty, good after-sales service, we upgrade new products all the time.Reliable quality and good after-sale service is always our pursue.

FAQ

What is the role of a carrier roller?

A carrier roller supports the upper section of the track chain and ensures stable crawler movement during excavator operation.

Why choose heavy-load top rollers?

Heavy-load carrier rollers provide better durability, stronger support capacity, and longer operational lifespan under demanding conditions.

Do you support OEM production?

Yes. We support OEM manufacturing according to customer samples, technical drawings, and specifications.

Can you export internationally?

Yes. Our excavator undercarriage products are supplied to customers in Southeast Asia, Africa, South America, the Middle East, and Europe.

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Gmail: shellywang030801@gmail.com

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Excavator Undercarriage Part, Heavy Duty, Heavy Load, Top Roller, Dust & Mud Proof Leak-Free