Head to head
Ifor Williams HB506 vs Lider 39920
The Ifor Williams HB506 is rated 1,850kg heavier gross and is 86cm (3ft) longer inside. The Lider 39920 is 550kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams HB506 is rated 1,850kg heavier gross.
- Unladen weight: the Ifor Williams HB506 weighs 550kg more empty.
- Internal length: the Ifor Williams HB506 is 86cm (3ft) longer inside.
- Internal width: the Ifor Williams HB506 is 32cm (1ft) wider inside.
Specifications side by side
| Ifor Williams HB506 | Lider 39920 | |
|---|---|---|
| Gross weight | 2,600kg | 750kg |
| Unladen weight | 920kg | 370kg |
| Internal length | 3.16m | 230cm |
| Internal width | 1.67m | 135cm |
| Brakes | Braked | Unbraked |
| Internal height | - | 157cm |
| Axles | - | 1 |
Sources: Ifor Williams HB506, Lider 39920. 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 86cm (3ft) longer inside
- you want one that is 32cm (1ft) 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 39920 if...
- you want one that is 550kg lighter empty
The smallest box van in the range, for buyers who want lockable, weatherproof storage on the move without moving up to a braked twin-axle trailer.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams HB506 and the Lider 39920?
The Ifor Williams HB506 is rated 1,850kg heavier gross and is 86cm (3ft) longer inside. The Lider 39920 is 550kg lighter empty. The Ifor Williams HB506 is a two-horse trailer, twin axle; the Lider 39920 is a an unbraked single-axle enclosed box van trailer rated at 750kg gross weight..
Which is lighter, the Ifor Williams HB506 or the Lider 39920?
The Lider 39920. It is 550kg lighter empty than the Ifor Williams HB506.
Can I tow the Ifor Williams HB506 or the Lider 39920 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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