Head to head
Bockmann TL-AL 1711/75 vs Ifor Williams HB511
The Ifor Williams HB511 is rated 1,950kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams HB511 is rated 1,950kg heavier gross.
Specifications side by side
| Bockmann TL-AL 1711/75 | Ifor Williams HB511 | |
|---|---|---|
| Gross weight | 750kg | 2,700kg |
| Payload | 616kg | - |
| Internal bed | 1790mm x 1110mm | - |
| Axles | 1 | - |
| Unladen weight | - | 1,000kg |
| Internal length | - | 3.52m |
| Internal width | - | 1.79m |
| Brakes | - | Braked |
Sources: Bockmann TL-AL 1711/75, Ifor Williams HB511. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the TL-AL 1711/75 if...
A compact unbraked-class aluminium trailer for light loads such as garden machinery or small quads, bought by tradespeople and private users who want something towable behind a car. It is one of the smallest trailers in Bockmann's TL-AL utility range.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
Buy or hire the HB511 if...
- you want one that is rated 1,950kg heavier gross
The wider step up from the HB506, for larger horses or owners who want more room in transit. The extra 12cm of internal width and 36cm of length cost 80kg unladen, which is worth checking against your tow vehicle before choosing it over the HB506.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- R M Trailer Centre - Middlesbrough, North Ormesby
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Horse Trailer Sales - Robertsbridge, Staplecross
- Trek-Trailers Three Counties - Hereford
Common questions
What is the difference between the Bockmann TL-AL 1711/75 and the Ifor Williams HB511?
The Ifor Williams HB511 is rated 1,950kg heavier gross. The Bockmann TL-AL 1711/75 is a small aluminium low-loader box trailer; the Ifor Williams HB511 is a two-horse trailer, twin axle, wider body.
Can I tow the Bockmann TL-AL 1711/75 or the Ifor Williams HB511 on a car licence?
Yes, as far as the licence goes. Both are rated at or under 3,500kg gross, and a car (B) licence has covered towing up to 3,500kg since 16 December 2021. Your car still has to be rated to tow the loaded weight - check the handbook or the VIN plate.
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