Верхній підтримуючий ролик KOMATSU PC40 PC78 PC88 ET65 B50 VIO55 VIO80

The upper carrier roller for Komatsu PC40, PC78, PC88, and compatible models is an essential component of the undercarriage system of mini excavators, responsible for guiding and maintaining the track in the correct position during machine operation. Thanks to it, the mini excavator maintains smoothness and stability while driving, allowing for efficient work even in demanding terrain conditions.

Construction and materials

The roller is made of high-quality steel resistant to wear and mechanical damage. The design of the roller includes:

• precisely hardened and machined shaft,
• sealed bearings protecting against contaminants and moisture,
• durable housing resistant to dynamic loads,
• corrosion-protected surface.

This construction ensures a long service life of the roller and its reliable operation under intensive use conditions.

Functionality of the upper carrier roller

• Ensures the track remains on the correct path.
• Stabilizes the machine's movement and reduces vibrations.
• Improves operator comfort during daily operation.
• Affects the extension of the undercarriage life of the mini excavator.

Installation and service

The upper carrier roller is a replaceable component that is mounted using mounting brackets, allowing for easy and quick replacement in case of wear or damage. Regular technical inspection and lubrication of the roller are crucial for maintaining the full functionality of the undercarriage and avoiding costly machine downtime.

Application

The upper roller fits mini excavators:

• Komatsu PC40, PC78, PC88
• Wacker Neuson ET65
• Kobelco B50
• Yanmar VIO55, VIO80

Precise matching of the roller to the technical requirements of these models ensures full compatibility and reliable operation in all terrain conditions.