To increase payloads and gross combination masses of heavy haulage rigs in Southern Africa, Grant Gore & Sons and Martin Trailers imports, sells and fits to its dollies and trucks Davies Magnet fifth wheels. These DM fifth wheels offer some the highest gross pulling weights and imposed loads in the commercial vehicle market.

The DM 5th wheels are ideal for arduous and heavy duty applications with high tractive loads.

Martin Trailers imports 2 models, namely the DM800 and the DM530/36. The DM800 is a 102 tonne imposed load, single oscillating fifth wheel with a pulling capacity of 152 tonnes, making it one of the biggest fifth wheels available.

The DM530/36 is a fully oscillating fifth wheel with a 52 tonne imposed load and a 152 tonne grss pulling capacity, making it one of the largest fully oscillating fifth wheels in the market.

These fifth wheels help give Martin Trailer combinations higher payloads and longer component life.