Head to head
Bockmann Portax Esprit vs Ifor Williams HB511
The Bockmann Portax Esprit is 157kg lighter empty. The Ifor Williams HB511 is rated 300kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB511 weighs 157kg more empty.
- Gross weight: the Ifor Williams HB511 is rated 300kg heavier gross.
Specifications side by side
| Bockmann Portax Esprit | Ifor Williams HB511 | |
|---|---|---|
| Gross weight | 2400kg | 2,700kg |
| Unladen weight | approx. 843kg | 1,000kg |
| Payload | 1557kg | - |
| Horse capacity | 2 horses | - |
| Body material | Aluminium | - |
| Internal length | - | 3.52m |
| Internal width | - | 1.79m |
| Brakes | - | Braked |
Sources: Bockmann Portax Esprit, Ifor Williams HB511. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Portax Esprit if...
- you want one that is 157kg lighter empty
Bockmann's entry-level model in its Portax range, built for owners wanting a durable two-horse trailer without the cost of the higher trims. Its light unladen weight keeps it towable by a mid-size 4x4 or pickup.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
Buy or hire the HB511 if...
- you want one that is rated 300kg heavier gross
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 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
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Bockmann Portax Esprit and the Ifor Williams HB511?
The Bockmann Portax Esprit is 157kg lighter empty. The Ifor Williams HB511 is rated 300kg heavier gross. The Bockmann Portax Esprit is a two-horse aluminium-bodied horsebox trailer; the Ifor Williams HB511 is a two-horse trailer, twin axle, wider body.
Which is lighter, the Bockmann Portax Esprit or the Ifor Williams HB511?
The Bockmann Portax Esprit. It is 157kg lighter empty than the Ifor Williams HB511.
Can I tow the Bockmann Portax Esprit 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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