Head to head
Equi-Trek Apollo vs Ifor Williams HB511
The Ifor Williams HB511 is rated 700kg heavier gross. The Equi-Trek Apollo is 155kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams HB511 is rated 700kg heavier gross.
- Unladen weight: the Ifor Williams HB511 weighs 155kg more empty.
Specifications side by side
| Equi-Trek Apollo | Ifor Williams HB511 | |
|---|---|---|
| Gross weight | 2000kg / 2600kg (depending on spec) | 2,700kg |
| Unladen weight | 845kg | 1,000kg |
| Internal length | - | 3.52m |
| Internal width | - | 1.79m |
| Brakes | - | Braked |
Sources: Equi-Trek Apollo, Ifor Williams HB511. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Apollo if...
- you want one that is 155kg lighter empty
Equi-Trek's smallest motorised horsebox, built to be driveable on a standard car licence in its lighter configuration. It suits owners moving up from a trailer who want a small horsebox without a 7.5 tonne licence requirement.
Listed by
- Trek-Trailers Suffolk - Bury Saint Edmunds
Buy or hire the HB511 if...
- you want one that is rated 700kg 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 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 Equi-Trek Apollo and the Ifor Williams HB511?
The Ifor Williams HB511 is rated 700kg heavier gross. The Equi-Trek Apollo is 155kg lighter empty. The Equi-Trek Apollo is a compact 2-horse motorised horsebox; the Ifor Williams HB511 is a two-horse trailer, twin axle, wider body.
Which is lighter, the Equi-Trek Apollo or the Ifor Williams HB511?
The Equi-Trek Apollo. It is 155kg lighter empty than the Ifor Williams HB511.
Can I tow the Equi-Trek Apollo 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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