LIS Germany Spanneinheit und Kettenspanner für das Fahrwerk von Baggern und Dozern (Planierraupen) – Robustes Ersatzteil für Baumaschinen.

LIS® Tension Units / Track Adjusters – Spare Parts

Tension units (track adjusters) as spare parts for worn or leaking undercarriage components. For replacement, repair and service of tracked machines.

Use as a spare part & identification

Tension units are undercarriage-related spare parts and are replaced during service when stable track tension can no longer be maintained (e. g. due to wear or leakage). Functionally, they are part of the undercarriage

For reliable spare part selection, machine-specific identification is decisive. Key factors include:

  • Machine manufacturer and model

  • Undercarriage configuration

  • Idler specification

  • Reference numbers (see product details)

Tension units for common machine brands

Our tension units (track adjusters) are available for a wide range of common machines, including JCB, Caterpillar, Hitachi, Komatsu, Volvo, Hyundai, Kobelco as well as Doosan (including Solar models) and additional brands.

Final selection is always based on the machine model. Our spare parts range is continuously expanded.

Related components in spare parts operations

If a tension unit is defective, it is recommended to inspect adjacent undercarriage components, especially:

Relation to the system category

A technical overview of the tension unit within the undercarriage context is available in Undercarriage → Tension Units

Technical documentation

Further technical data, reference numbers, detailed dimensions and drawings are available on the respective product pages after customer login.

Advice on spare part selection

Unsure which tension unit matches your machine or serial number? Our experts will support you with identification.

Machine and brand names mentioned serve solely to indicate compatibility. Operational safety depends on proper installation, manufacturer specifications and the technical information provided in the respective product details.