Head to head
Ifor Williams HB506 vs Lider 39770
The Lider 39770 is 490kg lighter empty. The Ifor Williams HB506 is rated 1 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB506 weighs 490kg more empty.
- Gross weight: the Ifor Williams HB506 is rated 1 tonnes heavier gross.
Specifications side by side
| Ifor Williams HB506 | Lider 39770 | |
|---|---|---|
| Gross weight | 2,600kg | 1600kg |
| Unladen weight | 920kg | 430kg |
| Brakes | Braked | Braked |
| Internal length | 3.16m | - |
| Internal width | 1.67m | - |
| Internal bed | - | 361 x 185 x 11cm |
| Axles | - | 1 |
Sources: Ifor Williams HB506, Lider 39770. 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 tonnes 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 39770 if...
- you want one that is 490kg lighter empty
A lighter single-axle car transporter for owners of small cars, motorhomes-with-tow-cars or similar, sized to be towed by a mid-range family car.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams HB506 and the Lider 39770?
The Lider 39770 is 490kg lighter empty. The Ifor Williams HB506 is rated 1 tonnes heavier gross. The Ifor Williams HB506 is a two-horse trailer, twin axle; the Lider 39770 is a a braked single-axle car transporter trailer rated at 1600kg gross weight..
Which is lighter, the Ifor Williams HB506 or the Lider 39770?
The Lider 39770. It is 490kg lighter empty than the Ifor Williams HB506.
Can I tow the Ifor Williams HB506 or the Lider 39770 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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