Register your heavy vehicle in the NT

Registering special purpose vehicles

If your heavy vehicle is oversize or overmass you will have to pay for a permit of exemption in addition to the heavy vehicle registration fee.

You must:

There are three categories of special purpose vehicles (SPVs) including:

  1. Plant special vehicle -  includes bulldozers, backhoes, graders and front-end loaders that are primarily used for:
    • off road use
    • use on a road related area
    • use on an area that is under construction or repair.
  2. Truck special vehicle -  includes mobile cranes, truck mounted concrete pumpers and boring plants that are:
    • built, or permanently modified, primarily for use on roads
    • and have no axle group loaded in excess of the mass limits.
  3. Overmass special vehicle - includes mobile cranes, truck mounted concrete pumpers and boring plants that are:
    • built, or permanently modified for use on roads
    • have at least one axle or axle group loaded in excess of the limits.

Vehicles ineligible for special purpose vehicle status

The following vehicles cannot be considered special purpose vehicles:

  • police vans
  • caravan, mobile home, converted bus as mobile home, mobile laboratory
  • desludger, eductor, water tanker or sprayer, bitumen tanker or sprayer, sludge or septic tanker, garbage compactor
  • mobile billboard, display bus, mobile library, mobile workshop, mobile kitchen/workshop
  • pole erectors with provision for carrying poles
  • tow trucks (including trucks with retractable trays)
  • concrete mixer/agitator
  • prime mover used to tow or power circus or entertainment equipment
  • general access vehicles fitted with equipment to lift loads on and off.

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Last updated: 16 March 2015

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