Dolly converts artics to drawbars
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• A new converter dolly which permits regular fifth-wheel semi-trailers to work as drawbar units is announced this week by York Trailer Co Ltd, Corby, Northants. This follows on the MoT's announcement (CM June 5) that as from June 15 a mate will not be required on a truck pulling a drawbar trailer.
This York dolly device permits trailers to work as artics or drawbars at will. It is built to a design developed by the York Organization in Toronto, Canada, where it sells well both as a means of providing a drawbar type trailer for operation with rigid trucks and as a means of pulling two artic trailers with one tractor in the familiar North American "doubles" configuration.
Running gear is York's regular TS type single-axle suspension with seven leaf slipper springs; axle capacity is 22,500lb and correct axle alignment is ensured by radius rods which are adjustable.
The weight of the dolly equipped with brake lines and mud flaps is 27cwt; each one carries a plate indicating the axle weight and designed gross running weight.