Head to head
Bockmann KK 3018/27 vs Ifor Williams HB510XL
The Ifor Williams HB510XL is 1.28m (4ft) longer inside and is rated 800kg heavier gross. The Bockmann KK 3018/27 is 8cm wider inside.
Last reviewed 13 September 2026
Key differences
- Internal length: the Ifor Williams HB510XL is 1.28m (4ft) longer inside.
- Gross weight: the Ifor Williams HB510XL is rated 800kg heavier gross.
- Payload: the Ifor Williams HB510XL carries 324kg more.
- Internal width: the Bockmann KK 3018/27 is 8cm wider inside.
Specifications side by side
| Bockmann KK 3018/27 | Ifor Williams HB510XL | |
|---|---|---|
| Gross weight | 2700kg | 3500kg |
| Payload | 1886kg | 2210kg |
| Internal length | 2970mm | 4.25m |
| Internal width | 1820mm | 1.74m |
| Axles | 2 | - |
| Brakes | Braked (overrun) | - |
| Unladen weight | - | 1290kg |
Sources: Bockmann KK 3018/27, Ifor Williams HB510XL. 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 8cm 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 HB510XL if...
- you want one that is 1.28m (4ft) longer inside
- you want one that is rated 800kg heavier gross
- you want one that carries 324kg more
For owners of taller or longer horses who find the standard HB511 too tight, giving extra internal length on the same 3500kg chassis so it stays towable by a suitably rated 4x4.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Common questions
What is the difference between the Bockmann KK 3018/27 and the Ifor Williams HB510XL?
The Ifor Williams HB510XL is 1.28m (4ft) longer inside and is rated 800kg heavier gross. The Bockmann KK 3018/27 is 8cm wider inside. The Bockmann KK 3018/27 is a refrigerated box trailer; the Ifor Williams HB510XL is a an extra-length double horsebox trailer.
Which carries more, the Bockmann KK 3018/27 or the Ifor Williams HB510XL?
The Ifor Williams HB510XL, by 324kg.
Can I tow the Bockmann KK 3018/27 or the Ifor Williams HB510XL 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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