Light Trailer Class (VSB1)

Box & Cage Trailer

ATM ≤ 4.5t | VSB1 Standard | Min. Licence: Car (C)

Light single, tandem, or tri-axle domestic and commercial trailers up to 4.5 tonnes ATM regulated under Vehicle Standards Bulletin 1 (VSB1).

1. Basic Information & VSB1 Specifications

  • Braking Tiers: 0–750kg GTM (no brakes); 751kg–2t GTM (brakes on 1 axle); 2t–4.5t GTM (brakes on all wheels + 15-min breakaway system).
  • Safety Chains: 1 chain (≤2.5t ATM); 2 crossed chains (2.5t–3.5t ATM); AS 2321 high-tensile chains (3.5t–4.5t ATM).

2. Licensing Requirements & Restrictions

  • Licence: Standard Car (C) licence. Learners prohibited from towing.
  • P1 Probationary Trap: Red P-platers prohibited from towing unless for work/agriculture, and must display Red P-plate on trailer.

3. Enforcement Options & Roadside Focus

  • Unsecured Loads: Infringe un-netted green waste or loose debris.
  • Ute GCM Limits: Check towing vehicle braked limits and combined GCM when hauling heavy tandem plant trailers.

4. Reference Images & Inspection Points

Tandem Tradie Trailer

Tandem Tradie Cage Trailer

Inspect breakaway battery, override/electric brakes, and safety chain shackles.