Head to head
Ifor Williams Eventa L vs Ifor Williams HB511
The Ifor Williams HB511 is 952kg lighter empty. The Ifor Williams Eventa L is 1.7m (5.5ft) longer inside and is rated 800kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams Eventa L weighs 952kg more empty.
- Internal length: the Ifor Williams Eventa L is 1.7m (5.5ft) longer inside.
- Gross weight: the Ifor Williams Eventa L is rated 800kg heavier gross.
- Internal width: the Ifor Williams Eventa L is 42cm (1.5ft) wider inside.
Specifications side by side
| Ifor Williams Eventa L | Ifor Williams HB511 | |
|---|---|---|
| Gross weight | 3500kg | 2,700kg |
| Unladen weight | 1952kg | 1,000kg |
| Internal length | 5.22m | 3.52m |
| Internal width | 2.21m | 1.79m |
| Payload | 1548kg | - |
| Brakes | - | Braked |
Sources: Ifor Williams Eventa L, Ifor Williams HB511. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Eventa L if...
- you want one that is 1.7m (5.5ft) longer inside
- you want one that is rated 800kg heavier gross
- you want one that is 42cm (1.5ft) wider inside
For owners who compete away from home and want to sleep or change in the trailer rather than tow a separate caravan, combining a two-horse area with a fitted living/changing section. It sits at the entry point of Ifor Williams' living-away range, below the larger Eventa M.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the HB511 if...
- you want one that is 952kg lighter empty
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
Common questions
What is the difference between the Ifor Williams Eventa L and the Ifor Williams HB511?
The Ifor Williams HB511 is 952kg lighter empty. The Ifor Williams Eventa L is 1.7m (5.5ft) longer inside and is rated 800kg heavier gross. The Ifor Williams Eventa L is a a two-horse living-away horsebox trailer; the Ifor Williams HB511 is a two-horse trailer, twin axle, wider body.
Which is lighter, the Ifor Williams Eventa L or the Ifor Williams HB511?
The Ifor Williams HB511. It is 952kg lighter empty than the Ifor Williams Eventa L.
Can I tow the Ifor Williams Eventa L or the Ifor Williams HB511 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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