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3D render | Wedge trailer

Maximise Efficiency with Wedge Double Deck Trailers

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What is a 'Wedge' Double Deck?

All trailer dimensions and apertures are limited by both the fifth wheel height (typically 1.25m in the UK) and loading bay height.  Historically, to maximise internal cube, a trailer chassis includes a 'step' behind the tractor unit to lower the floor height.  Whilst this does increase internal capacity, the step presents an access challenge and requires some thought about how to load the swan-neck area i.e. the floor space in front of the step.  Various solutions are available such as ramps or internal lifts but these tend to slow down the loading and unloading speed.

The solution: Don-Bur 'Wedge' Double Deck trailers have a straight chassis which eliminates the step entirely.  The neck thickness is minimised to preserve a low floor height at the front and, to maximise internal cube, the rear floor height is lowered as much as possible on small tyres such as R17.5".  To ensure compatibility at the bay, the trailers are typically specified with high lift suspension to raise the rear floor height up to bay level when required.  The result is a trailer that, from the side at least, has the appearance of a wedge.

This solution provides operators with full length, unbroken floor spans on both decks, capable of achieving industry-leading clearances of up to 1928mm (6' 4").

Don-Bur can provide 52 UK pallet capacity on all 'Wedge' Double Deck types, as well as a 60 UK pallet capacity on all LST 'Wedge' Double Decks.

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mands wedge lifting deck trailer
M&S Wedge Lifting Deck trailer

Features

Don-Bur has been designing and manufacturing 'Wedge' Double Deck trailers in the UK for many years.

  • Unbroken floor spans on lower and upper decks
  • Maximum internal cubic capacity
  • Heavy duty construction
  • Fixed & Lifting Deck
  • Tail-lifts to suit requirements

Lifting Decks

Don-Bur has extensive experience in 'Wedge' Lifting Decks having manufactured their first one 15 years ago, in 2002.

Combined with Don-Bur's 7.5mm thick 'Blade' panels, operators can achieve a deck width of 2440mm on the top deck, which is sufficient to get 26 pallets on each deck.


Blade panel lifting deck with 2440mm width
Blade panel lifting deck with 2440mm width
Wedge Box Van Lifting Deck | Max Apertures
Wedge Box Van Lifting Deck | Max Apertures

Full Height Loading On Both Decks

Don-Bur's 'Wedge' double deck trailers achieve industry-leading apertures of up to 1928mm and provide full height loading across the entire length of both decks.


Straight Frame Double Deck Trailer Engineering Dimensions
Straight Frame Double Deck Trailer Engineering Dimensions

Technical Drawing Examples

180206 PMTDD-STR thumb

Wedge Curtainsided Fixed Deck Trailer

Tri-axle | 13.7m long | 4.88m high | 445/45 R19.5 tyres

180207 BVTLD-STR urban thumb

Wedge Box Van Lifting Deck Trailer

Tri-axle |1250mm fifth wheel height | 13.6m long | 4.88m high| Shutter rear closure | 385/65 R22.5 tyres

180206 BVTDD-STR thumb

Max Cube Box Van Fixed Deck Trailer

Tri-axle | 950mm fifth wheel height | 13.6m long | 4.95m high | 245/70 R19.5 tyres

Typical Key Dimensions

Category Value
Length 8.0m - 13.6m (15.65m for LST's)
Height 3.3m - 4.95m
Width 2.55m
Apertures Value
Height Up to 1.928m on both decks
Length 13.495m aperture length (15.545m for LST's)

Weights & Capacities (13.6m standard length)

Category Value
UK Pallets 52
Euro Pallets 66
Max Gross Vehicle Weight 44T

Published: Thu 25 Jan 2024

Updated: Thu 29 Aug 2024

Don-Bur (Bodies & Trailers) Ltd

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