Bottom Track Roller Komatsu PC18MR E18

Ensure your excavator tracks stay straight and your machine runs safely with a genuine-quality Komatsu PC18MR Bottom Track Roller from Big Power Parts. These heavy-duty bottom (track) rollers are engineered to carry the full machine weight, support the lower track section, and minimize undercarriage wear on tough Australian job sites. Ideal for construction, landscaping, and civil works, they reduce vibration and improve stability on rough ground.

Each Komatsu PC18MR Bottom Track Roller is a direct-fit replacement built to OEM specifications, featuring a heavy-duty forged steel body and induction-hardened wear surfaces for long service life. The sealed, oil-filled design keeps bearings lubricated and contaminants out, requiring no daily greasing – just periodic visual checks.

Machine Compatibility

• Komatsu PC12R-8
• Komatsu PC14R-2
• Komatsu PC15MR
• Komatsu PC15MRx
• Komatsu PC15R
• Komatsu PC15R-8
• Komatsu PC18MR
• Komatsu PC18MR-2
• Komatsu PC18MR-3

Key Features

• Heavy-Duty Load Bearing: Robust forged steel roller body and high-strength shaft support full machine weight and absorb dynamic impact.
• Hardened Wear Surfaces: Induction-hardened tread and flanges resist abrasion from rocks and debris, extending roller and track life.
• Oil-Filled, Sealed Design: Internal bearings run in oil with multi-lip seals to retain lubrication and keep out dust, mud, and water.

Technical Specifications

Why Choose Big Power Parts?

• Stock held in Melbourne for fast dispatch.
• Express shipping Australia-wide.
• Free consultation with an undercarriage specialist.
• 1-year warranty for peace of mind.

To confirm fitment, check your excavator's make, model, and serial number, or measure your existing roller dimensions. Contact us with photos for expert matching. Order your Komatsu PC18MR Bottom Track Roller today and keep your excavator working harder for longer.