Head to head
Ifor Williams HB403 vs Ifor Williams HB610
The Ifor Williams HB610 carries 1,217kg more and is rated 1.9 tonnes heavier gross. The Ifor Williams HB403 is 683kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams HB610 carries 1,217kg more.
- Gross weight: the Ifor Williams HB610 is rated 1.9 tonnes heavier gross.
- Unladen weight: the Ifor Williams HB610 weighs 683kg more empty.
- Internal width: the Ifor Williams HB610 is 77cm (2.5ft) wider inside.
- Internal length: the Ifor Williams HB610 is 1.17m (4ft) longer inside.
Specifications side by side
| Ifor Williams HB403 | Ifor Williams HB610 | |
|---|---|---|
| Gross weight | 1600kg | 3500kg |
| Unladen weight | 767kg | 1450kg |
| Payload | 833kg | 2050kg |
| Internal length | 3.08m | 4.25m |
| Internal width | 1.30m | 2.07m |
Sources: Ifor Williams HB403, Ifor Williams HB610. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB403 if...
- you want one that is 683kg lighter empty
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 HB610 if...
- you want one that carries 1,217kg more
- you want one that is rated 1.9 tonnes heavier gross
- you want one that is 77cm (2.5ft) wider inside
- you want one that is 1.17m (4ft) longer inside
Bought by owners with two large horses, up to 17.2hh, who need the widest and roomiest trailer Ifor Williams builds at 3500kg, rather than stepping up to a horsebox lorry.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Common questions
What is the difference between the Ifor Williams HB403 and the Ifor Williams HB610?
The Ifor Williams HB610 carries 1,217kg more and is rated 1.9 tonnes heavier gross. The Ifor Williams HB403 is 683kg lighter empty. The Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer; the Ifor Williams HB610 is a ifor Williams' largest standard double horsebox trailer.
Which is lighter, the Ifor Williams HB403 or the Ifor Williams HB610?
The Ifor Williams HB403. It is 683kg lighter empty than the Ifor Williams HB610.
Which carries more, the Ifor Williams HB403 or the Ifor Williams HB610?
The Ifor Williams HB610, by 1,217kg.
Can I tow the Ifor Williams HB403 or the Ifor Williams HB610 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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