Horstmann suspension is a type of tank and other tracked armoured fighting vehicle suspension devised by the British engineer Sidney Horstmann in 1922.

The system uses coil-springs and has the advantages of a relatively long travel and, consisting of a self-contained bogie that is bolted to the hull, causing little or no encroachment on internal hull space. In addition, the entire suspension unit may be relatively easily removed and replaced if damaged, e.g., by mines.

The term Horstmann suspension also refers to suspension built by the Horstman company (now Horstman Defence Systems Ltd) whether of the bogie type, torsion beam design, hydrogas, hydropneumatic or other.

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