Komatsu has designed six different types of link assemblies for Bulldozers to address various working environments.
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Komatsu Undercarriage

Uncompromising Quality and Performance
Depending on the application, you can choose from a wide range of product series to cover the needs of your heavy equipment.
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Komatsu offers the correct shoe for all underfoot conditions and it is specifically engineered for both dozers and excavators.
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Friction and shock loads transmitted from the track chain create heat within the roller. To withstand this, several quality steps are taken in the manufacturing of Komatsu Genuine OEM rollers.
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Undercarriage Options & Warranties
Komatsu Plus
A parallel link undercarriage system which has a rotating bushing system that reduces costs and downtime by ensuring that the whole bushing component surface is worn rather than just two sides.
PLUS coverage: 60 months/6,000 hours
Komatsu General Construction
General Construction has specially developed links and pins designed for low impact applications, so you can use the right undercarriage for the right job, reducing operational and maintenance costs.
General Construction Coverage: 48 months/5,000 hours
Komatsu Conventional
Conventional has a triangular design per link that has a sealed and lubricated pin and busing assembly and is more cost effective.
Conventional Coverage: 48 months/5,000 hours
How to Measure Undercarriage Wear

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