AL-KO Profi AK 351 Trailer Coupling, 3500 kg, 60 mm, H16

Product detailed description

The robust cast iron AL-KO AK 351 trailer coupling is a ball coupling designed for braked trailers with a maximum technically permissible mass of 3500 kg. It replaces the older AL-KO AK 350 model. The ball coupling is equipped with a correct coupling indicator and a coupling wear indicator.

• Maximum trailer weight: 3500 kg
• Maximum vertical load: 350 kg
• Tube mounting: Ø 60 mm
• Mounting hole diameter: 16.5 mm

  The coupling does not require adjustment throughout its service life. Its mechanism compensates for wear on the contact surfaces of both the coupling and the towball. If excessive wear occurs, the side wear indicator will show this condition, with its marker pointing to the minus sign (-). In this case, there is a risk of the trailer becoming detached from the towing vehicle, and the coupling must be replaced.

  If the indicator marker points to the plus sign (+), neither the coupling nor the towball is excessively worn, and the connection between the towing vehicle and the trailer is correct. The operating handle is secured by a push-button safety catch. 

  The coupling features a dedicated slot for installing an integrated lock. Once the plastic blanking plug has been removed, the lock can be easily fitted. The lock is not included in the package.

Important: Regular lubrication and cleaning will significantly extend the service life of the trailer ball coupling.