Head to head
Brian James A-Max 305 vs Ifor Williams HBX506
The Brian James A-Max 305 carries 300kg more.
Last reviewed 13 September 2026
Key differences
- Payload: the Brian James A-Max 305 carries 300kg more.
Specifications side by side
| Brian James A-Max 305 | Ifor Williams HBX506 | |
|---|---|---|
| Gross weight | 2600kg | 2600kg |
| Payload | 2035kg | 1735kg |
| Internal bed | 4.3m x 1.96m | - |
| Unladen weight | - | 865kg |
| Internal length | - | 3.26m |
| Internal width | - | 1.67m |
Sources: Brian James A-Max 305, Ifor Williams HBX506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the A-Max 305 if...
- you want one that carries 300kg more
Suits owners of larger saloons or estate cars who have outgrown the shorter A-Max 210 but do not need a full car-transporter range trailer. The extra bed length and payload give more margin for a heavier road car.
Listed by
- A47 Barwell Trailers Sales Hire Service Ltd - Leicester, Barwell
Buy or hire the HBX506 if...
A mid-size horsebox for owners moving one or two horses who want the updated HBX styling and features rather than the standard HB range trailer.
Listed by
- R M Trailer Centre - Middlesbrough, North Ormesby
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Brian James A-Max 305 and the Ifor Williams HBX506?
The Brian James A-Max 305 carries 300kg more. The Brian James A-Max 305 is a a longer, higher-capacity version of the A-Max flatbed car trailer; the Ifor Williams HBX506 is a a double horsebox trailer from Ifor Williams' HBX range.
Which carries more, the Brian James A-Max 305 or the Ifor Williams HBX506?
The Brian James A-Max 305, by 300kg.
Can I tow the Brian James A-Max 305 or the Ifor Williams HBX506 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.