Head to head
Bockmann KK 3018/27 vs Ifor Williams HB511
The Ifor Williams HB511 is 55cm (2ft) longer inside. The Bockmann KK 3018/27 is 3cm wider inside.
Last reviewed 13 September 2026
Key differences
- Internal length: the Ifor Williams HB511 is 55cm (2ft) longer inside.
- Internal width: the Bockmann KK 3018/27 is 3cm wider inside.
Specifications side by side
| Bockmann KK 3018/27 | Ifor Williams HB511 | |
|---|---|---|
| Gross weight | 2700kg | 2,700kg |
| Internal length | 2970mm | 3.52m |
| Internal width | 1820mm | 1.79m |
| Brakes | Braked (overrun) | Braked |
| Payload | 1886kg | - |
| Axles | 2 | - |
| Unladen weight | - | 1,000kg |
Sources: Bockmann KK 3018/27, Ifor Williams HB511. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the KK 3018/27 if...
- you want one that is 3cm wider inside
An insulated, temperature-controlled box trailer for moving chilled or frozen goods, used by caterers, market traders and small food businesses. Its own cooling unit lets it hold a set temperature independent of the tow vehicle.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
Buy or hire the HB511 if...
- you want one that is 55cm (2ft) longer inside
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 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
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Bockmann KK 3018/27 and the Ifor Williams HB511?
The Ifor Williams HB511 is 55cm (2ft) longer inside. The Bockmann KK 3018/27 is 3cm wider inside. The Bockmann KK 3018/27 is a refrigerated box trailer; the Ifor Williams HB511 is a two-horse trailer, twin axle, wider body.
Can I tow the Bockmann KK 3018/27 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.