Head to head
Ifor Williams HB506 vs Lider 39401
The Lider 39401 is 790kg lighter empty. The Ifor Williams HB506 is rated 1,850kg heavier gross and is 1.38m (4.5ft) longer inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB506 weighs 790kg more empty.
- Gross weight: the Ifor Williams HB506 is rated 1,850kg heavier gross.
- Internal length: the Ifor Williams HB506 is 1.38m (4.5ft) longer inside.
- Internal width: the Ifor Williams HB506 is 41cm (1.5ft) wider inside.
Specifications side by side
| Ifor Williams HB506 | Lider 39401 | |
|---|---|---|
| Gross weight | 2,600kg | 750kg |
| Unladen weight | 920kg | 130kg |
| Internal length | 3.16m | 178cm |
| Internal width | 1.67m | 126cm |
| Brakes | Braked | Unbraked |
| Axles | - | 1 |
Sources: Ifor Williams HB506, Lider 39401. 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
- you want one that is 1.38m (4.5ft) longer inside
- you want one that is 41cm (1.5ft) 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
- 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 39401 if...
- you want one that is 790kg lighter empty
A step up from the 39400E for owners of larger or heavier motorcycles who still want to stay under the unbraked 750kg threshold.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams HB506 and the Lider 39401?
The Lider 39401 is 790kg lighter empty. The Ifor Williams HB506 is rated 1,850kg heavier gross and is 1.38m (4.5ft) longer inside. The Ifor Williams HB506 is a two-horse trailer, twin axle; the Lider 39401 is a an unbraked single-axle trailer for carrying one motorcycle..
Which is lighter, the Ifor Williams HB506 or the Lider 39401?
The Lider 39401. It is 790kg lighter empty than the Ifor Williams HB506.
Can I tow the Ifor Williams HB506 or the Lider 39401 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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