Heavy-Duty ALKO 3500kg Euro Tandem Trailer Coupling – Get Yours Now!


On 1st June 2019, the Amendment of Land Transport Rule Light-Vehicle Brakes 2019 Rule 32014/2002/5 came into force. This now allows for Class TB trailers with a laden weight of 2500kg-3500kg GVM to have indirect braking without having to apply for an exemption. Our AL-KO 3500kg European Braking System complies with ECE Regulation No:13 and is a perfect solution for Class TB trailers, it allows NZ trailer builders to build Class TB trailers with this European mechanical brake system with no need for the exemption. The kit consists of mechanical override coupling, drum brakes, including emergency breakaway brakes and a park brake facility.



  • No in-car controllers needed. This is the same reliable braking system as fitted to all of the European caravans & trailers
  • Components rated for 3500kg trailer
  • 50mm & 1 7/8″ Override lockable coupling and safety ball,  park brake Delta system
  • Equaliser & 4 connecting brake cables
  • 4 x 230mm ID (2361) mechanical brake drums
    • 55mm dia weld-in stub axles (to fit into 65mm sq SHS)
    • Unitised bearings
    • 5 x 4.5″ (114.3mm) stud pcd

Additional information



Tow Ball Size

17/8”, 50mm




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