Head to head
Ifor Williams HB403 vs Lider 39920
The Ifor Williams HB403 is rated 850kg heavier gross and is 78cm (2.5ft) longer inside. The Lider 39920 is 397kg lighter empty and is 5cm wider inside.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams HB403 is rated 850kg heavier gross.
- Unladen weight: the Ifor Williams HB403 weighs 397kg more empty.
- Internal length: the Ifor Williams HB403 is 78cm (2.5ft) longer inside.
- Internal width: the Lider 39920 is 5cm wider inside.
Specifications side by side
| Ifor Williams HB403 | Lider 39920 | |
|---|---|---|
| Gross weight | 1600kg | 750kg |
| Unladen weight | 767kg | 370kg |
| Internal length | 3.08m | 230cm |
| Internal width | 1.30m | 135cm |
| Payload | 833kg | - |
| Internal height | - | 157cm |
| Axles | - | 1 |
| Brakes | - | Unbraked |
Sources: Ifor Williams HB403, Lider 39920. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB403 if...
- you want one that is rated 850kg heavier gross
- you want one that is 78cm (2.5ft) longer inside
The smallest trailer in the HB horsebox range, bought by owners of a single horse or a couple of ponies who want the lightest legal option that can still be towed by a mid-size car.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the 39920 if...
- you want one that is 397kg lighter empty
- you want one that is 5cm wider inside
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 HB403 and the Lider 39920?
The Ifor Williams HB403 is rated 850kg heavier gross and is 78cm (2.5ft) longer inside. The Lider 39920 is 397kg lighter empty and is 5cm wider inside. The Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer; the Lider 39920 is a an unbraked single-axle enclosed box van trailer rated at 750kg gross weight..
Which is lighter, the Ifor Williams HB403 or the Lider 39920?
The Lider 39920. It is 397kg lighter empty than the Ifor Williams HB403.
Can I tow the Ifor Williams HB403 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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