Head to head
Ifor Williams HB511 vs Race Box 610
The Race Box 610 is rated 300kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Race Box 610 is rated 300kg heavier gross.
Specifications side by side
| Ifor Williams HB511 | Race Box 610 | |
|---|---|---|
| Gross weight | 2,700kg | 3,000kg |
| Unladen weight | 1,000kg | - |
| Internal length | 3.52m | - |
| Internal width | 1.79m | - |
| Brakes | Braked | - |
| Bed size | - | 4.50m x 1.95m |
| Axles | - | Twin |
Sources: Ifor Williams HB511, Race Box 610. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB511 if...
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
Buy or hire the 610 if...
- you want one that is rated 300kg heavier gross
An enclosed twin axle box trailer used to carry tools, motorsport equipment or goods securely and out of the weather. Its 3,000kg rating covers a loaded box without needing a heavier commercial trailer.
Listed by
- Fieldfare Trailer Centre - Salisbury
Common questions
What is the difference between the Ifor Williams HB511 and the Race Box 610?
The Race Box 610 is rated 300kg heavier gross. The Ifor Williams HB511 is a two-horse trailer, twin axle, wider body; the Race Box 610 is a twin axle enclosed box trailer.
Can I tow the Ifor Williams HB511 or the Race Box 610 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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