Head to head
Ifor Williams HB506 vs Lider 39450
The Lider 39450 is 670kg lighter empty. The Ifor Williams HB506 is rated 1,850kg heavier gross and is 65cm (2ft) longer inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB506 weighs 670kg more empty.
- Gross weight: the Ifor Williams HB506 is rated 1,850kg heavier gross.
- Internal length: the Ifor Williams HB506 is 65cm (2ft) longer inside.
- Internal width: the Ifor Williams HB506 is 34cm (1ft) wider inside.
Specifications side by side
| Ifor Williams HB506 | Lider 39450 | |
|---|---|---|
| Gross weight | 2,600kg | 750kg |
| Unladen weight | 920kg | 250kg |
| Internal length | 3.16m | 251cm |
| Internal width | 1.67m | 133cm |
| Brakes | Braked | Unbraked |
| Internal height | - | 40cm |
| Axles | - | 2 |
Sources: Ifor Williams HB506, Lider 39450. 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 65cm (2ft) longer inside
- you want one that is 34cm (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 39450 if...
- you want one that is 670kg lighter empty
Gives buyers the stability of a twin-axle trailer for garden and general loads while staying under the unbraked weight limit.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams HB506 and the Lider 39450?
The Lider 39450 is 670kg lighter empty. The Ifor Williams HB506 is rated 1,850kg heavier gross and is 65cm (2ft) longer inside. The Ifor Williams HB506 is a two-horse trailer, twin axle; the Lider 39450 is a an unbraked twin-axle wooden-sided general purpose trailer rated at 750kg gross weight..
Which is lighter, the Ifor Williams HB506 or the Lider 39450?
The Lider 39450. It is 670kg lighter empty than the Ifor Williams HB506.
Can I tow the Ifor Williams HB506 or the Lider 39450 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.