HX3 3 tonne hub system

Australian-engineered. Built for demanding terrain.

HX3 combines a 63 mm square Australian steel stub, XT electric braking and an Australian-cast, CNC-machined 3 tonne hub in one coordinated system, for dependable performance on-road and off-road.

  • 3 tonne hub rating
  • CNC machined hub
  • NSK Japanese bearings
  • On-road and off-road
HX3 hub drum, studio shot

HX3 at a glance

  • 3 tHub rating
  • 63 mmSquare stub, Australian steel
  • 2,800 kgXT backing plate rating
  • NSKJapanese bearings

Stub, backing plate and hub

Engineered as a complete system

The Holroyd HX3 brings a 63 mm Australian steel stub, XT electric braking and an Australian-cast 3 tonne hub together in one coordinated system. Precision engineering, improved heat dissipation and premium components support dependable performance on-road and off-road.

  • 3 tonne carrying capacity

    An enhanced carrying capacity: the HX3 hub is rated to carry 3 tonnes.

  • Australian cast, CNC machined

    The hub is an Australian casting, CNC machined. The stub is made from Australian steel and machined in Australia.

  • Heat-dissipating fin design

    A unique fin design helps the hub shed heat. It is designed to run cooler and weigh less.

  • XT electric brake backing plate

    The XT backing plate is rated at 2,800 kg and pairs electric brakes with an off-road brake magnet.

  • Quick-connect electrical connections

    The backing plate is fitted with quick plug-and-play connections.

  • Integrated hub locating design

    A locating adaptor on the stub and a hub locator built into the hub design.

  • Premium NSK Japanese bearings

    The hub runs on premium NSK Japanese bearings.

  • Independently certified components

    HX3 components have been independently assessed for quality assurance, dependable braking and demanding trailer use.

  • On-road and off-road

    Suitable for on-road and off-road applications, and designed for caravan, RV and trailer manufacturers.

How it fits together

Key specifications

Exploded view of the HX3 hub system: stub, backing plate and hub, and the assembled hub
  1. Stub

    • 63 mm square stub
    • Australian steel
    • Australian machined
    • 3 tonne capacity
    • CNC machined
    • Locating adaptor
  2. Backing plate

    • XT, rated at 2,800 kg
    • Independently Australian certified to meet standards
    • Electric brakes
    • Off-road brake magnet
    • Quick plug-and-play connections
  3. Hub

    • 3 tonne rated carrying capacity
    • Australian casting
    • Designed at Holroyd
    • Unique fin design and hub locator
    • Fins help dissipate heat
    • NSK Japanese bearings
HX3 key specifications
Hub rating3 tonnes
Stub63 mm square, Australian steel
Backing plateXT, rated at 2,800 kg
BrakingElectric
Brake magnetOff-road
BearingsNSK Japanese bearings
ManufacturingAustralian cast and machined

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