Legal Requirements for Horse Floats in Australia (Updated July 2025)
1. Design & Construction
• Must comply with the current Australian Design Rules (ADR) covering structure, brakes, lighting, noise and more.
• Imported floats must pass Department of Agriculture biosecurity checks-no soil, seed or timber pests.
• Any post-registration modification that alters GVM must be re-certified by a VSCCS-approved engineer and re-entered on the registration database.
2. Registration & Identification
• Every float driven on public roads must be registered in its home state/territory and display a clearly visible number plate and registration label.
• The plate must not be obscured by the coupling; when uncoupled, the tow-ball must not protrude dangerously.
3. Weight & Compatibility
• Actual Aggregate Trailer Mass (ATM) or Gross Trailer Mass (GTM) must NOT exceed whichever is lowest:
– vehicle manufacturer's maximum tow rating,
– the float's compliance-plate rating,
– tow-bar or coupling rating.
• Gross Combination Mass must also stay within licence and vehicle limits.
4. Braking Systems
• GTM ≤ 750 kg: no brakes required.
• 750 kg < GTM ≤ 2 000 kg: override (inertia) brakes acceptable.
• GTM > 2 000 kg: electric brakes on all wheels plus a compliant break-away system with an onboard battery capable of braking for 15 minutes if detached.
• NSW now mandates a real-time break-away battery monitor inside the tow vehicle.
5. Safety Chains & Coupling
• Two appropriately rated safety chains, crossed under the drawbar and shackled to the tow vehicle.
• Shackles must be stamped with a Working Load Limit (WLL) equal to or greater than the trailer ATM.
6. Occupant & Operational Rules
• No person may ride in the float while in motion.
• Only one trailer may be towed at a time.
• Pre-trip checklist: tyres, bearings, lights, brakes, break-away battery, coupling latch and safety chains must all be serviceable.
7. State & Territory Variations
While the core rules are national, speed limits (typically 100–110 km/h), annual inspection requirements and licence classes can differ. Always check the latest information on your state road-authority website (e.g. VicRoads, Transport NSW) before travelling.
Bottom line: ensure your float is legally registered, within weight limits, properly braked, securely connected and never carries passengers.