Why Longer Semi-Trailers?
Longer Semi-Trailers (LST's) are up to 2.050m longer than a standard 13.6m trailer and can carry a greater capacity than its standard length counterparts.
You can carry up to an additional 8 UK Pallets on LST double decks and reduce your number of deliveries considerably.
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Engineered to perform consistently in demanding environments
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Don-Bur engineered their first 16m trailer in 1999 with an active rear steer system (SCM). Since the DfT announced the LST scheme in 2011 Don-Bur has manufactured hundreds of LST's in the UK.
- Straight & Step-Frames
- All Double Deck types
- 14.6m & 15.650m Variants
15% Extra Capacity
With a potential 2.050m increase in trailer length, you could boost your load potential by up to 15% more than a standard 13.6m trailer. This not only cuts your delivery frequency, but also reduces your fleet's fuel consumption and CO2 emissions.
Up to 8 Additional UK Pallets on Double Decks
With an increase in capacity of up to 15%, Don-Bur's LST's can provide operators with a further 4 UK pallets on a 15.65m single deck and 8 UK pallets on a 15.65m Double Deck. Additionally you can achieve a further 2 UK pallets on a 14.6m single deck and 4 UK pallets on a 14.6m Double deck.
This can potentially reduce your deliveries by up to 1 in every 6.5 trips.
Quick Guide To LST's
- 15 year trial ending in 2027.
- The trial permits 2800 trailers in the UK to have an increase in length of either 1 metre or 2.05 metres, equalling a total of 14.6 metres and 15.65 metres respectively.
- Vehicles are still required to operate within the existing UK gross vehicle weight limit of 44 tonnes.
- Operators commonly specify positive steer or self-tracking axles on LST's to enable compliance and practicality for the longer trailer lengths.
The patented aerodynamic Teardrop technology is a mature and well-tested method to save fuel.
3D Interactive Model
This content is interactive.
Technical Drawing Examples
Typical Key Dimensions
14.6m & 15.650m long
3.3m - 4.95m high
15.395m long (curtain sided)
15.495m long (box sided)
Up to 4.0m high
Weights & Capacities
30 UK pallets (1200 x 1000mm)
38 Euro Pallets (1200 x 800 mm)
44T Maximum Gross Vehicle Weight (Vehicles of 6 axles)
Up to 60 UK pallets (76 Euro pallets) on double decks
|4 March 2021||Don-Bur News||LST Trials to Continue Despite Recent Rumours|
|23 Feb 2021||Motor Transport News||Transport secretary Grant Shapps MP has given the go-ahead to the widespread use of longer semi-trailers (LSTs) on Britain’s roads.|
|11 May 2015||The Longer Semi-Trailer Trial||GOV.UK - The Longer Semi-Trailer Trial|
|January 2017||DfT Guidance||Trial of Longer Semi-trailers (LSTs): How to take part in the trial|
|3 March 2017||Don-Bur Update||DfT Release Application Details For Longer Semi Trailer Trial Extension|
|November 2014||Don-Bur LST Brochure||Don-Bur Longer Semi Trailers Brochure|