Clark Masts A Will-Burt Company

Telephone +44 (0)1983 563691 / 567090

XT Series Headloads up to 400kg

XT Series

Clark Masts XT Series range of heavy duty pneumatic telescopic masts have a base tube diameter of 8 inches (200mm) and a maximum of 12 telescopic sections. XT masts offer a very wide range of models and headload ranges up to 400kg and extended heights from 2m to 34m. The ideal heavy duty telescoping mast. Masts can be vehicle mounted, field mounted and for maximum extended heights mounted using our roof trolley system. XT masts are also available on our 804 Series Trailer Masts.

Each telescoping mast section is keyed to prevent relative rotation to the next tube allowing the complete mast to be rotated from the ground with ease if directional headloads are being deployed.   XT masts can be specified with locking or non locking (plain) collars depending on the type of application and with rotating or non rotating bases.

Bearing surfaces are fitted with nylon and PTFE to guarantee smooth and effortless extension and retraction in the most demanding climatic conditions. XT masts have been tested to MIL STD 810F. When each section is fully extended an automatic collet locking system provides complete rigidity when the mast is fully extended. Double Supertork is fitted as standard giving torsional stability of +/- 1.5 degrees. For enhanced torsional stability, our bespoke Triple Supertork System gives down to 0.1 degrees of stability, dependant upon mast model/size.


Accessories can be painted to match the mast

Hand Pump - 41157

Hand pump for use with all Clark Masts, supplied with integral stand and 3m of air hose and bayonet connector.

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Internal Extension Warning Switch

A factory fitted internal switch to alert the operator that the mast is not fully retracted.

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Mast Air Connection Kit - 30090

This kit contains all you need to connect your mast to the air compressor, comprising 3m of rubber air hose, male bayonet connector, female bayonet socket for the mast with seals and hose clips.

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Model 185 Powerpack

Model 185 Powerpacks are suitable for larger masts from WT to TM. Powered either by vehicle electrics 12 or 24v DC or by mains power 110 or 230v AC and operated by a remote control lead 2.5m long. A built in pressure switch cuts out when the mast reaches its preset level and cuts in only when required to top up the pressure thereby saving battery power. Supplied with power connection plug.

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Remote Control

Remote Control for use with Powerpacks

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XT Mounting Bracket Lower - 14233

Mounting Bracket Lower XT

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XT Mounting Bracket Upper - 14232

Mounting Bracket XT Upper

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XT Roof Bearing - 13025

A roof bearing allows the mast to be mounted internally and the roof bearing supports the mast and provides a weatherproof interface through the vehicle/shelter roof. 

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XT Series Saddle Clamp - 28880

XT Series Saddle Clamp for temporary or quick release mounting of a mast, normally used in pairs.

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Technical Data

  • MIL STD 810F
  • Headloads up to 400kg
  • Heights up to 34m

Can't find what you're looking for? Call +44 (0)1983 563691 or email us at - our sales team are ready to help!

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