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Uncompromising Quality and Performance

Uncompromising Quality and Performance

With undercarriage costs consuming a significant portion of the average operating cost-per-hour of your track type equipment, properly maintaining your dozer or excavator undercarriage system is crucial. SMS Equipment brings you a practical management approach to ensure you achieve the best performance and durability from your undercarriage components.

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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Track Link Assemblies

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

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Track Shoes

Komatsu offers the correct shoe for all underfoot conditions and it is specifically engineered for both dozers and excavators.

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Track & Carrier Rollers

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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Idlers are a guide and a means to adjust the track tension for link assemblies. Komatsu idlers are precision machined then heat treated, lubricated and sealed to provide long reliable life.

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Komatsu segments and sprockets are subject to multiple quality checks throughout the manufacturing process to ensure they meet Komatsu's stringent specifications.

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Track Hardware
Komatsu track hardware is quality tested to deliver optimal performance under the most severe conditions.

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Undercarriage Options & Warranties

All Komatsu Genuine Parts are covered by SMS Equipment's Standard Parts Warranty — 1 year/unlimited hours

Komatsu General Construction Undercarriage

Up to half the cost of operating a machine can relate to its undercarriage, depending on underfoot conditions and operator habits. Komatsu’s renowned quality is maintained with General Construction Undercarriage Link Assembly (GC Link) replacement parts.

General Construction Coverage: 48 months/5,000 hours

General Construction has specially developed links and pins designed for low impact applications, such as: 
  • Sand/soil
  • Civil construction
  • General excavation
  • Dirt loading

D51, D61, D65, D155

Browse dozers

PC200 – PC450 series

Browse Excavators

Komatsu Conventional Undercarriage

Conventional has a triangular design per link that has a sealed and lubricated pin and bushing assembly and is more cost effective.

Conventional Coverage: 48 months/5,000 hours

Komatsu Plus Undercarriage

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
Duration: 15 Minutes

How to Measure Undercarriage Wear

Undercarriage is one of the most expensive components on your tracked machines. Documenting and knowing the life expectancy is essential to determining costs and planning for replacements on your machine. 15 minutes of your time can save you time and money in the future and reduce downtime and increase profitability on your tracked machines.
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