Head to head
Ifor Williams HB506 vs Ifor Williams P6e
The Ifor Williams P6e is 748kg lighter empty. The Ifor Williams HB506 is rated 1,850kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB506 weighs 748kg more empty.
- Gross weight: the Ifor Williams HB506 is rated 1,850kg heavier gross.
Specifications side by side
| Ifor Williams HB506 | Ifor Williams P6e | |
|---|---|---|
| Gross weight | 2,600kg | 750kg |
| Unladen weight | 920kg | 172kg |
| Brakes | Braked | Unbraked |
| Internal length | 3.16m | - |
| Internal width | 1.67m | - |
| Payload | - | 578kg |
| Internal bed | - | 1.98m x 1.21m |
Sources: Ifor Williams HB506, Ifor Williams P6e. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB506 if...
- you want one that is rated 1,850kg heavier gross
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
- R M Trailer Centre - Middlesbrough, North Ormesby
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Horse Trailer Sales - Robertsbridge, Staplecross
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the P6e if...
- you want one that is 748kg 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 HB506 and the Ifor Williams P6e?
The Ifor Williams P6e is 748kg lighter empty. The Ifor Williams HB506 is rated 1,850kg heavier gross. The Ifor Williams HB506 is a two-horse trailer, twin axle; the Ifor Williams P6e is a a small unbraked general-purpose trailer.
Which is lighter, the Ifor Williams HB506 or the Ifor Williams P6e?
The Ifor Williams P6e. It is 748kg lighter empty than the Ifor Williams HB506.
Can I tow the Ifor Williams HB506 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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