Top Roller

The top roller is also commonly called as the carrier roller. It is a type of undercarriage part for crawler engineering vehicles, including the bulldozer, excavator, paver, rotary drilling rig, and so on. We can offer top rollers for a great number of major heavy equipment brands, such as Caterpillar, Komatsu, Hitachi, Sumitomo, Kobelco, Hyundai, Kato, and Daewoo.

Features
As a line of commonly used heavy equipment parts, the top roller is forged using 50Mn material to provide high strength and abrasion resistance. Welded using friction welding technique, it is provided with extended operation life.

Meanwhile, our top rollers are heat treated via induction method to attain desired hardness level which is preset by our qualified engineers. Due to optimized hardness, they offer maximized wearing resistance while operating in all terrain conditions.

The roller shafts are forged and precision machined, and are also tempered and induction heated. Therefore, the line of construction equipment spare parts deliver high precision and outstanding abrasion resistance.

1. Due to elaborate gap design, the wearing surface is enabled uniform and thorough internal lubricating.

2. Double-layer bushing is available for our top rollers. The external steel housing acts to prevent deformation even under heavy duty operations, by maximally support the pressure.

3. While improving wearing resistance, the specialized heat treatment for top rollers also ensures accurate depth of hardening. The well designed supporting structure is effective in avoiding roller cracks or breakage.

4. Heat treated roller shafts deliver high surface hardness. This, coupled with standardized processing procedures, makes sure the top roller shaft have long service life.

Undercarriage Parts by Brand