A unique new dump trailer that uses the well proven push-off technology originally designed for the company’s Kompactor range of push-off trailers, was launched at the Highland by HiSpec Engineering.

The trailer has a heaped load volume of 14.5m3, giving it a carrying capacity of around 20 tonnes, depending on material.

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Unlike conventional tipping dump trailers, the PD20 Dump Trailer is offloaded using a hydraulically operated moving floor type headboard that cleanly and efficiently clears the load from the body once the up and over tailgate has been raised. This is based on the same mechanism that was developed for the larger Kompactor push-off trailer range and has a push-off capacity of 28,000kg.

This enables it to be safely used and offloaded on slopes, or at an angle without any risk of the trailer tipping over, or in buildings and situations where there are height restrictions. Where necessary, it also makes it very easy to offload and spread a load while on the move.

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Once the trailer has been emptied and the tailgate closed, the operator can move off while the headboard is retracting, so avoiding an delay, so turn-round times are reduced.

The floor of trailer body is constructed from 8mm thick Hardox steel, with 6mm Hardox used for the body sides. By avoiding the need for a hydraulic tipping ram and hinge points, the centre of gravity is lower than for a conventional dump trailer, making the PD20 Dump Trailer very stable on the road and the load height of 2.39m means operators can easily see into the trailer from the tractor cab.

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Its chassis has a hydraulically sprung drawbar fitted with a bolt-on swivel hitch. The running gear comprises of a parabolic sprung tandem axle, fitted with 127mm round commercial axles. These are fitted with 525/65 R20.5 173F tyres and 420x180 air/hydraulic brakes.

The standard specification also includes LED road lighting, four reversing lights, a strobe beacon and brackets for fitting an up and over sheet.