Head to head
Brian James A4 Transporter vs Ifor Williams HB510XL
The Brian James A4 Transporter is 520kg lighter empty and carries 20kg more. The Ifor Williams HB510XL is rated 500kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB510XL weighs 520kg more empty.
- Gross weight: the Ifor Williams HB510XL is rated 500kg heavier gross.
- Payload: the Brian James A4 Transporter carries 20kg more.
Specifications side by side
| Brian James A4 Transporter | Ifor Williams HB510XL | |
|---|---|---|
| Gross weight | 3000kg | 3500kg |
| Unladen weight | 770kg | 1290kg |
| Payload | 2230kg | 2210kg |
| Internal bed | 4.5m x 2.0m | - |
| Axles | Twin axle | - |
| Internal length | - | 4.25m |
| Internal width | - | 1.74m |
Sources: Brian James A4 Transporter, Ifor Williams HB510XL. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the A4 Transporter if...
- you want one that is 520kg lighter empty
- you want one that carries 20kg more
The A4 Transporter suits driving schools, small dealers and enthusiasts who need to move one car at a time behind a car-derived tow vehicle, offering a simple twin-axle bed without the cost of a beavertail or enclosed body. Its compact size makes it easier to store and manoeuvre than the longer trailers in the A Transporter range.
Listed by
- Compass Trailers - Lewes, Ringmer
- Saxons Trailers - Westerham, Biggin Hill
- R M Trailer Centre - Middlesbrough, North Ormesby
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
Buy or hire the HB510XL if...
- you want one that is rated 500kg heavier gross
For owners of taller or longer horses who find the standard HB511 too tight, giving extra internal length on the same 3500kg chassis so it stays towable by a suitably rated 4x4.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Common questions
What is the difference between the Brian James A4 Transporter and the Ifor Williams HB510XL?
The Brian James A4 Transporter is 520kg lighter empty and carries 20kg more. The Ifor Williams HB510XL is rated 500kg heavier gross. The Brian James A4 Transporter is a twin-axle open car transporter trailer from Brian James' A Transporter range, built for towing one car on a 4.5m bed.; the Ifor Williams HB510XL is a an extra-length double horsebox trailer.
Which is lighter, the Brian James A4 Transporter or the Ifor Williams HB510XL?
The Brian James A4 Transporter. It is 520kg lighter empty than the Ifor Williams HB510XL.
Which carries more, the Brian James A4 Transporter or the Ifor Williams HB510XL?
The Brian James A4 Transporter, by 20kg.
Can I tow the Brian James A4 Transporter or the Ifor Williams HB510XL 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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