Head to head
Ifor Williams HB403 vs Ifor Williams P6e
The Ifor Williams P6e is 595kg lighter empty. The Ifor Williams HB403 is rated 850kg heavier gross and carries 255kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB403 weighs 595kg more empty.
- Gross weight: the Ifor Williams HB403 is rated 850kg heavier gross.
- Payload: the Ifor Williams HB403 carries 255kg more.
Specifications side by side
| Ifor Williams HB403 | Ifor Williams P6e | |
|---|---|---|
| Gross weight | 1600kg | 750kg |
| Unladen weight | 767kg | 172kg |
| Payload | 833kg | 578kg |
| Internal length | 3.08m | - |
| Internal width | 1.30m | - |
| Internal bed | - | 1.98m x 1.21m |
| Brakes | - | Unbraked |
Sources: Ifor Williams HB403, Ifor Williams P6e. 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 850kg heavier gross
- you want one that carries 255kg more
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 P6e if...
- you want one that is 595kg lighter empty
A step up from the P5 for domestic and light trade users who need a slightly bigger bed while staying under the 750kg limit that avoids the need for brakes.
Listed by
- Towy Trailer Centre - Llandeilo, Ffairfach
- G-Tec Trailers - Thetford, Holme Hale
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Ifor Williams HB403 and the Ifor Williams P6e?
The Ifor Williams P6e is 595kg lighter empty. The Ifor Williams HB403 is rated 850kg heavier gross and carries 255kg more. The Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer; the Ifor Williams P6e is a a small unbraked general-purpose trailer.
Which is lighter, the Ifor Williams HB403 or the Ifor Williams P6e?
The Ifor Williams P6e. It is 595kg lighter empty than the Ifor Williams HB403.
Which carries more, the Ifor Williams HB403 or the Ifor Williams P6e?
The Ifor Williams HB403, by 255kg.
Can I tow the Ifor Williams HB403 or the Ifor Williams P6e 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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