Head to head
Ifor Williams HB403 vs Woodford Eco Box
The Ifor Williams HB403 is rated 1.1 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams HB403 is rated 1.1 tonnes heavier gross.
Specifications side by side
| Ifor Williams HB403 | Woodford Eco Box | |
|---|---|---|
| Gross weight | 1600kg | 500kg or 750kg options |
| Unladen weight | 767kg | 205-275kg depending on size |
| Payload | 833kg | - |
| Internal length | 3.08m | - |
| Internal width | 1.30m | - |
| Dimensions | - | 3,080 x 1,595 x 1,960mm external (largest, ECO745) |
| Internal load space | - | 2,100 x 1,175 x 1,470mm (ECO745) |
| Axle | - | Single axle, unbraked |
Sources: Ifor Williams HB403, Woodford Eco Box. 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 rated 1.1 tonnes heavier gross
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 Eco Box if...
A lightweight box trailer built to order in Norfolk, bought by tradesmen and small businesses who want secure, lockable load space without the running costs of a van. It comes in four sizes so buyers can match it to what they need to carry.
Listed by
- Lustre trailers - Norwich
Common questions
What is the difference between the Ifor Williams HB403 and the Woodford Eco Box?
The Ifor Williams HB403 is rated 1.1 tonnes heavier gross. The Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer; the Woodford Eco Box is a lightweight single-axle box trailer for general and van-replacement use.
Can I tow the Ifor Williams HB403 or the Woodford Eco Box 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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