Choosing the right towbar
JOHN SOOTHERAN is PC’s expert Consulting Editor and a long-time caravanner
THINK OF YOUR towbar not as a pricey lump of pig-iron, but as the cost-effective gateway to touring freedom. Choosing and fitting the right one is really important, so here’s everything you need to know before you make your decision.
Towbar types
The standard towball measures 50mm in diameter and was invented by Franz Knöbel of Westfalia Automotive in 1932. This is now the standard around the world.
The ball-and-cup design allows a high degree of swivelling and articulation, combined with a very secure connection. This makes it ideal for pulling trailers, including caravans.
Although the towball itself is a standard design, there are a variety of ways in which it can be attached to the tow vehicle.
Flange towbar
This is the basic towbar design, usually fixed permanently to the back of a vehicle, with the electric socket(s) alongside. The 50mm towball bracket is attached to the towbar frame with two hefty
