3" (76.2mm) ON-ROAD 10t COUPLING.The SM series Auto-Lock coupling is designed for use on 5th wheel trailers,horse floats & Motorhomes.
Auto Lock couplings close automatically when the ball enters the coupling jaws. All couplings come with a manual locking pin, which must be engaged prior to moving the vehicle.
The 3" coupling and ball is the only size that can be legally used on Australian roads. If you are using a ball coupling for towing on Australian roads, it must be A.D.R approved.
Note:
The 2 5/16" couplings and balls found on many imported trailers are not legal on- road in Australia.
| Part Number | 139.334.110 |
| Model | SM300 |
| CRN | 47029 |
| D-Value | 58kN |
| V-Value | 40kN (heavy duty) |
| S-Value | 9.81 |
| Unit Weight | 7.3 Kg |
| Capacity | 10,000 kg |
| Suits | 3" (76.2mm) ball. |
| Finish | Black - ElectroGal. |
