Head to head
Ifor Williams HB511 vs Lider 39530
The Lider 39530 is 794kg lighter empty. The Ifor Williams HB511 is rated 1,950kg heavier gross and is 1.52m (5ft) longer inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB511 weighs 794kg more empty.
- Gross weight: the Ifor Williams HB511 is rated 1,950kg heavier gross.
- Internal length: the Ifor Williams HB511 is 1.52m (5ft) longer inside.
- Internal width: the Ifor Williams HB511 is 45cm (1.5ft) wider inside.
Specifications side by side
| Ifor Williams HB511 | Lider 39530 | |
|---|---|---|
| Gross weight | 2,700kg | 750kg |
| Unladen weight | 1,000kg | 206kg |
| Internal length | 3.52m | 200cm |
| Internal width | 1.79m | 134cm |
| Brakes | Braked | Unbraked |
| Internal height | - | 50cm |
| Axles | - | 1 |
Sources: Ifor Williams HB511, Lider 39530. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB511 if...
- you want one that is rated 1,950kg heavier gross
- you want one that is 1.52m (5ft) longer inside
- you want one that is 45cm (1.5ft) wider inside
The wider step up from the HB506, for larger horses or owners who want more room in transit. The extra 12cm of internal width and 36cm of length cost 80kg unladen, which is worth checking against your tow vehicle before choosing it over the HB506.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- R M Trailer Centre - Middlesbrough, North Ormesby
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Horse Trailer Sales - Robertsbridge, Staplecross
- Trek-Trailers Three Counties - Hereford
Buy or hire the 39530 if...
- you want one that is 794kg lighter empty
An entry point into the galvanised Tough range for buyers who want a durable general purpose trailer without moving up to a braked chassis.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams HB511 and the Lider 39530?
The Lider 39530 is 794kg lighter empty. The Ifor Williams HB511 is rated 1,950kg heavier gross and is 1.52m (5ft) longer inside. The Ifor Williams HB511 is a two-horse trailer, twin axle, wider body; the Lider 39530 is a an unbraked single-axle general purpose trailer rated at 750kg gross weight..
Which is lighter, the Ifor Williams HB511 or the Lider 39530?
The Lider 39530. It is 794kg lighter empty than the Ifor Williams HB511.
Can I tow the Ifor Williams HB511 or the Lider 39530 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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