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Bulkhead power for Dennison's skeletal

1st May 1997, Page 20
1st May 1997
Page 20
Page 20, 1st May 1997 — Bulkhead power for Dennison's skeletal
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• Caithness-based Norfrost has taken Dennison's first slidingbogie tipping skeletal trailer to be equipped with a powered bulkhead. Previous models used a manual rack-and-pinion system to move the tipping gear up and down the chassis.

The skeletal, which takes 20ft and 30ft containers, uses an electro-hydraulic ram that shares the same power pack as the tip gear.

Dennison will display the new trailer at this year's IRTE show alongside the latest version of its positive-steer system for step-frame trailers.

This now has hydraulic rams instead of a conventional mechanical linkage between the steering wedge on the fifth wheel and the rearmost axle.

Instead of full-length steering rods the turntable's steer arm connects to a ram under the front. This is piped to a transverse double-acting ram at the rear which moves the rearmost axle in the path of the tractor.

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Locations: Caithness

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