Head to head
Bateson Derby vs Ifor Williams HB506
The Ifor Williams HB506 is rated 900kg heavier gross and is 46cm (1.5ft) longer inside. The Bateson Derby is 245kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams HB506 is rated 900kg heavier gross.
- Unladen weight: the Ifor Williams HB506 weighs 245kg more empty.
- Internal length: the Ifor Williams HB506 is 46cm (1.5ft) longer inside.
- Internal width: the Ifor Williams HB506 is 17cm wider inside.
Specifications side by side
| Bateson Derby | Ifor Williams HB506 | |
|---|---|---|
| Gross weight | 1,700kg | 2,600kg |
| Unladen weight | 675kg | 920kg |
| Internal length | 2.70m | 3.16m |
| Internal width | 1.50m | 1.67m |
| Payload | approx. 1,025kg | - |
| Brakes | - | Braked |
Sources: Bateson Derby, Ifor Williams HB506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Derby if...
- you want one that is 245kg lighter empty
A light double horse trailer that can be towed by a large saloon car rather than needing a 4x4, thanks to its low unladen weight. It suits owners moving one or two horses locally who want to avoid buying a heavier, purpose-built tow vehicle.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Buy or hire the HB506 if...
- you want one that is rated 900kg heavier gross
- you want one that is 46cm (1.5ft) longer inside
- you want one that is 17cm wider inside
The mainstream two-horse trailer in Britain, used by private owners and small yards. Its comparatively low unladen weight for the class is the practical point: it widens the range of 4x4s and large SUVs that can legally and comfortably tow it.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- Horse Trailer Sales - Robertsbridge, Staplecross
- R M Trailer Centre - Middlesbrough, North Ormesby
Common questions
What is the difference between the Bateson Derby and the Ifor Williams HB506?
The Ifor Williams HB506 is rated 900kg heavier gross and is 46cm (1.5ft) longer inside. The Bateson Derby is 245kg lighter empty. The Bateson Derby is a lightweight rear-unload double horse trailer; the Ifor Williams HB506 is a two-horse trailer, twin axle.
Which is lighter, the Bateson Derby or the Ifor Williams HB506?
The Bateson Derby. It is 245kg lighter empty than the Ifor Williams HB506.
Can I tow the Bateson Derby or the Ifor Williams HB506 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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