Head to head
Ifor Williams HB403 vs Race Box 610
The Race Box 610 is rated 1.4 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Race Box 610 is rated 1.4 tonnes heavier gross.
Specifications side by side
| Ifor Williams HB403 | Race Box 610 | |
|---|---|---|
| Gross weight | 1600kg | 3,000kg |
| Unladen weight | 767kg | - |
| Payload | 833kg | - |
| Internal length | 3.08m | - |
| Internal width | 1.30m | - |
| Bed size | - | 4.50m x 1.95m |
| Axles | - | Twin |
Sources: Ifor Williams HB403, Race Box 610. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB403 if...
The smallest trailer in the HB horsebox range, bought by owners of a single horse or a couple of ponies who want the lightest legal option that can still be towed by a mid-size car.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the 610 if...
- you want one that is rated 1.4 tonnes 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 HB403 and the Race Box 610?
The Race Box 610 is rated 1.4 tonnes heavier gross. The Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer; the Race Box 610 is a twin axle enclosed box trailer.
Can I tow the Ifor Williams HB403 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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