Idler Komatsu PC40MR Pc50Mr Pc45 Pc55Mr PN: 20T-30-00112

Ensure your excavator runs straight and steady with a premium Komatsu Pc40MR Pc50Mr Idler designed for precise track tension and stability. This heavy-duty front idler guides the rubber track, absorbs shock, and maintains optimal tension, making it ideal for Australian construction, landscaping, and civil applications. By reducing undercarriage wear and ensuring smooth, reliable tracking across all ground conditions, the Komatsu Pc40MR Pc50Mr Idler enhances machine performance and durability.

Key Features

• High-Strength Steel Construction: Precision-forged and heat-treated to withstand heavy front-end loads and abrasive terrain.
• Sealed, Lubricated Design: Bearings run in oil within a fully sealed hub to prevent contaminants and ensure long-term reliability.
• Smooth Track Guidance: Maintains proper track alignment and reduces derailment risk for improved stability and operator control.
• Reduced Wear: Helps distribute undercarriage load evenly to extend the life of tracks, rollers, and sprockets.
• OEM-Style Fitment: Direct-fit replacement designed to match original specifications, allowing simple bolt-on installation with standard tools.

Specifications

Attribute	Details
Manufacturer	Komatsu Compatible
Material	High-strength forged steel, heat-treated
Design	Sealed, lubricated bearings
Part Number	20T-30-00112
Warranty	1-year undercarriage warranty

Machine Compatibility List

• Hitachi Zx40U 2
• Hitachi Zx50U 2
• Komatsu Pc40Mr 2
• Komatsu Pc40Mr 3
• Komatsu Pc40Mrx
• Komatsu Pc40R 8
• Komatsu Pc45 1
• Komatsu Pc45Mr 2
• Komatsu Pc45Mr 3
• Komatsu Pc45Mr 5
• Komatsu Pc45Mrx
• Komatsu Pc45R 8
• Komatsu Pc50Mr 2
• Komatsu Pc50Mr 3
• Komatsu Pc55Mr 3

This Komatsu Pc40MR Pc50Mr Idler also fits a broad range of mini and mid-size excavators. Contact us if you need help identifying the correct idler for your machine.

Product Warranty

All excavator idlers come with a 1-year warranty covering manufacturing defects, giving you confidence and reliability for every job site.

How to Confirm the Correct Idler

Confirm your excavator's make, model, and serial number, then compare your existing idler's dimensions (overall diameter, center-to-center mount spacing, and shaft diameter) against our specifications before ordering. If unsure, contact us with a photo of your current idler and your machine ID plate. Our team will help confirm the correct part.

Why Choose Big Power Parts for Your Komatsu Pc40MR Pc50Mr Idler?

• 1-year warranty with full quality assurance on every batch
• Fast, reliable shipping across Australia
• Expert support from undercarriage specialists
• Competitive pricing and consistent stock availability

Increase undercarriage longevity and machine performance with durable excavator idlers built for Australia's toughest work environments.