High Wear Resistance and Heavy Load Excavator Undercarriage Part PC100 Carrier Roller for Komatsu

Komatsu PC100 Carrier Roller, Low Temperature Resistant Top Roller, Anti-Crack Grease Tight Undercarriage Spare Parts, Heavy Duty Excavator Replacement Parts for Russia Frozen Ground Mining & Cold Area Construction, OEM Parts In Stock

The PC100 Carrier Roller is a durable replacement undercarriage component engineered for Komatsu PC100 excavators. Also referred to as the top roller or upper roller, it supports the upper track chain, improves track guidance, and contributes to smooth crawler movement during excavation and travel.

Manufactured with premium forged alloy steel, precision CNC machining, and advanced induction hardening technology, this carrier roller is designed to deliver outstanding wear resistance, excellent load-bearing performance, and long-lasting reliability in demanding working conditions.

Whether operating in construction, mining, quarrying, or infrastructure projects, the PC100 carrier roller provides dependable performance while helping reduce maintenance costs and extend undercarriage service life.

Product Features

Superior Wear Resistance

The roller tread is induction hardened to achieve excellent surface hardness, reducing abrasive wear caused by continuous contact with the track chain.

Heavy Load-bearing Structure

A reinforced roller shell and high-strength shaft provide reliable support under continuous heavy equipment operation.

Precision Track Guidance

Designed to keep the upper track chain properly aligned, helping reduce uneven track wear and improve crawler efficiency.

Reliable Sealing System

The floating metal seal effectively prevents lubricant leakage while protecting internal components from dust, water, mud, and sand.

Smooth Rotation Performance

High-precision machining and balanced assembly ensure smooth roller rotation with reduced vibration and operating noise.

Extended Service Life

Optimized material selection and advanced manufacturing processes help maximize durability even in abrasive environments.

Performance Advantages

The PC100 carrier roller helps improve overall undercarriage performance by:

• Supporting stable upper track movement
• Reducing wear on track chains and sprockets
• Increasing crawler system reliability
• Lowering maintenance frequency
• Improving machine operating efficiency
• Reducing unexpected downtime
• Extending the lifespan of undercarriage components

Typical Applications

The Komatsu PC100 carrier roller is suitable for a wide range of industries and working conditions, including:

• Residential and commercial construction
• Road and bridge construction
• Quarry and aggregate production
• Open-pit mining
• Utility installation
• Pipeline construction
• Land development
• Agricultural earthmoving

It performs reliably on rocky terrain, soft ground, muddy sites, and other demanding environments.

Manufacturing Process

Every PC100 top roller is manufactured through a comprehensive production process to ensure consistent quality.

High-grade Raw Materials

Premium forged alloy steel provides exceptional toughness, strength, and impact resistance.

Precision Forging

Forging technology enhances material density and improves structural durability.

CNC Machining

Computer-controlled machining ensures accurate dimensions, smooth surfaces, and reliable installation.

Induction Heat Treatment

A hardened running surface improves wear resistance while maintaining a tough core for impact absorption.

Professional Assembly

Each carrier roller is assembled with high-quality shafts, bearings, floating seals, and premium lubricants.

Strict Quality Inspection

Every product undergoes detailed inspections, including:

• Material composition testing
• Dimensional verification
• Surface hardness testing
• Seal performance testing
• Rotation balance inspection
• Final visual quality check

FAQ

What is the function of a carrier roller?

A carrier roller supports the upper section of the track chain, ensuring smooth track circulation, stable alignment, and reduced wear on the undercarriage system.

What makes this PC100 carrier roller suitable for heavy-duty work?

Its forged alloy steel construction, reinforced internal structure, induction-hardened surface, and premium sealing system provide excellent durability under continuous heavy loads.

Is this carrier roller compatible with OEM specifications?

Yes. It is manufactured as a direct replacement for Komatsu PC100 excavators, ensuring accurate fitment and dependable performance.

Do you provide customized manufacturing?

Yes. We support OEM and ODM production according to customer drawings, samples, specifications, and branding requirements.

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High Wear Resistance, Heavy Load, Excavator Undercarriage Part, PC100 Carrier Roller, Low Temperature Resistant