Davies agnet warns on jaws
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1 Counterfeit sub-standard ws with short lifespans are eing fitted to fifth-wheel coulings, claims transport equiplent company Davies Magnet. Several defective jaws have een found on Davies Magnet fth wheels, which the cornany detected after complaints 'om customers.
Davies Magnet says it did ot manufacture the defective [ws. It says: "These jaws ave been produced by a pirate ianufacturer and somehow rey are being sold with our fth-wheel couplings through le distributor and dealership etwork. They look like Davies Magnet jaws but they are not."
The defective jaws have only a partial bearing area for the trailer king pin, and the locking tails are too short. The bushes have been found to fit too loosely and the steel of the jaws is considerably weaker than that used for the Davies Magnet jaws. Tests have revealed the false jaws' steel has a minimum tensile strength of 7,087kg/m2, compared with the 9,449kg/m2 of Davies Magnet jaws. It is the weaker metal which the company says is the most worrying feature of the fake jaws, because it could lead to jaw spread.