Axles & Suspension Torsion Axles

Axle Half Torsion Suspension Unbraked 1500KG RH galv 5x4.5" PCD

NZ $835.00 excl GST
SKU: 98001R
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Description

This right-hand (RH) unbraked half torsion axle unit is rated to 1,500 kg. Compact and versatile, it's designed for trailers where a full-width beam axle isn't suitable. Its independent rubber torsion suspension delivers smoother towing performance, while the galvanised finish protects against corrosion, ideal for multi-purpose trailers. The bolt-on design makes it quick and easy to install on a wide range of trailer types.

Key Features

  • 1,500 kg load rating (per side, this kit includes the right-hand side only)
  • Independent rubber torsion suspension for a smoother ride
  • Compact half-axle design for tight chassis or custom trailers
  • Galvanised finish for long-term corrosion resistance
  • 5 X 4.5" stud pattern compatible with common trailer wheels
  • Unbraked format for simpler, lighter setups
  • Bolt-on mounting, no welding required

Applications

  • Trailers with limited space or low ground clearance
  • Utility and custom-built trailers
  • Boat trailers (marine-grade corrosion protection)
  • ATV/UTV and off-road trailers
  • Motorcycle and sports equipment trailers
  • Golf cart and snowmobile trailers

Specifications

  • Load Capacity (per side): 1,500 kg
  • Orientation: Right-hand (RH)
  • Braking System: Unbraked
  • Suspension Type: Rubber torsion (half axle)
  • Hub Stud Pattern: 5 X 4.5" (5 stud)
  • Finish: Galvanised
  • Suspension Movement: Independent
  • Camber: Built-in
  • Installation: Bolt-on

Kit Inclusions

  • One right hand half torsion axle with bracket
  • Left hand side sold separately

FAQs

Q: What's the difference between a torsion axle and a leaf spring system?

A: Torsion axles use an enclosed suspension system to provide cushioning and wheel movement. Because the suspension is integrated into the axle itself, installation is quick and straightforward. With fewer moving parts, they also deliver a quieter ride. Their compact, low-maintenance design makes them ideal for light to medium-duty trailers, especially in custom builds where space-saving and ride quality are priorities.

Leaf spring systems, by contrast, use layered steel strips mounted across the axle, and provide a durable suspension that performs well in heavier-duty, utility, commercial, or off-road applications.

Both systems have their strengths, and the right choice depends on your trailer's weight, environment, and intended use.

Q: What's the difference between a rubber and a steel torsion axle?

A: Both rubber and steel torsion axles are springless suspension systems, but they function differently. Rubber torsion axles use vulcanised rubber cords inside a steel housing to absorb road impact and provide a smooth, progressive ride. They're compact, virtually maintenance-free, and especially suited for light to medium-duty trailers.

Steel torsion axles, on the other hand, use internal steel rods that twist under load to create suspension movement. While effective, they tend to be heavier, are more commonly found in industrial or heavier-duty applications, and may offer less ride softness than rubber systems.

Rubber axles are preferred in light trailers where weight, ride comfort, and simplicity matter most, while steel torsion axles are better suited to heavy industrial trailers, off-road rigs, or high-capacity applications where durability and rigidity are prioritised over ride quality.

Q: How do I know if my trailer has a torsion axle?

A: Torsion axles typically have a sealed, square or rectangular tube with trailing arms. Leaf springs use stacked metal strips and are visibly exposed.

Q: Is this axle suitable for marine or coastal use?

A: Yes, the galvanised finish helps resist corrosion in wet environments, making it well-suited for use in or near water.

Specifications

Brand: Knott

Questions?

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