Springs, Axles & Suspension Torsion Axles

Knott 3500kg Tandem Lowering Kit 5x4.5" PCD1800mm Width Torsion Axles

NZ $25,162.33 excl GST
SKU: 98370
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Description

The Knott 3,500 kg Tandem Lowering Kit is a fully integrated suspension and braking solution for custom trailer builders looking to add powered lowering functionality. Featuring Knott's hydraulic lowering torsion axles, this kit allows the entire trailer deck to lower close to the ground for effortless loading and unloading without ramps or tilt decks. Designed for tandem-axle builds up to 3,500 kg ATM, it includes a complete set of components: braked lowering axles, overrun coupling, hydraulic lift module, and all brake cable hardware. Ideal for mobile retail, motorbike transporters, enclosed trailers, or low-profile builds.

Key Features

  • Lowering torsion axle system - Enables the trailer deck to drop near ground level for easier loading and safer access
  • Includes Knott electric-hydraulic lift module - Controls the lift/lower mechanism for smooth, powered operation
  • Braked tandem axle configuration (3,500 kg ATM) - For medium- to heavy-duty trailers requiring safe, compliant stopping power
  • Knott overrun coupling (cast, 1-7/8", 3,500 kg) - With built-in locking mechanism and ECE compliance for road use
  • Brake cable system included - All required cables, holders, and balance bar for proper tandem axle setup
  • Track width - 1,800 mm

Applications

  • Mobile food trailers and kiosks
  • Enclosed show trailers and low-loaders
  • Motorbike or motorsport transport trailers
  • Tool trailers or mobile service units
  • Custom commercial trailer builds requiring level loading

Specifications

  • Axles: Knott hydraulic-lowering torsion axles (tandem)
  • Axle Load Rating: 2 X 1,750 kg (3,500 kg ATM)
  • Track Width: 1,800 mm
  • Coupling: 1-7/8" Knott cast overrun (braked, 3,500 kg) with lock 
  • Hydraulic Control: Knott electric-hydraulic kit included
  • Compliance: EU-approved components for road use > 25 km/h

Kit Inclusions

  • 98369 – Knott lowering tandem axle (braked, 3,500 kg)
  • 98368 – Knott electric hydraulic lift system
  • 99585 – 1-7/8" Knott overrun coupling (cast, braked, with lock)
  • 99396 – Front brake cable (1,130/1,320 mm)
  • 99397 – Rear brake cable (1,630/1,820 mm)
  • 99398 – Tandem cable holder
  • 99390 – Cable balance bar

FAQs

Q: Can this kit be used on any trailer frame?

A: It’s designed for trailers with 1,800 mm axle centres and suitable mounting points for the Knott axle and coupling system.

Q: What makes the lowering feature useful?

A: It allows safe, step-free access to the trailer deck, ideal for loading vending equipment, bikes, tools, or display setups without the need for ramps or lifts.

Q: Is the hydraulic kit included?

A: Yes, the electric-hydraulic control system is included and integrates with the axle setup to raise and lower the trailer deck.

Q: Is it suitable for road use?

A: Yes. The system is suitable for road speeds over 25 km/h.

Specifications

Brand: Knott
Load Rating: 3500kg
PCD: 5x4.5inch

Questions?

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