Wheels, Tracks & Rollers

Wheels, Tracks & Rollers (WTR), Definition, Types and Useful Information in NZ

Definition of Wheels Tracks & Rollers (WTR)

Wheels

Wheels

  • Feature heavy-duty tires (pneumatic, foam-filled, or solid rubber)
  • Used on equipment such as motor graders, wheel loaders, and articulated trucks
  • Provide mobility and stability on various terrain types
Tracks

Tracks

  • Continuous band of metal plates or rubber treads driven by sprockets or wheels
  • Used on equipment such as excavators, bulldozers, and tracked loaders
  • Distribute weight evenly for better traction in soft or uneven ground
Rollers

Rollers

  • Heavy cylindrical drum that rotates to compress and flatten ground surfaces
  • Self-propelled system, typically powered by a diesel engine for forward and reverse movement
  • Essential for road construction, compacting asphalt, soil, and aggregate materials

Information on other Topics

For our other machinery and hazardous categories overviews click on the following links for:  forklift definition and information including sub-types; wheels, tracks and, rollers (WTR) definition and information including subtypes,   elevated work platform (EWP) definitition and information including sub-types, and finally, hazardous goods information.

Types of Wheels Tracks & Rollers (WTR)

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