Head to head
Brian James A-Max 305 vs Ifor Williams GX125 HD
The Ifor Williams GX125 HD carries 705kg more and is rated 900kg heavier gross. The Brian James A-Max 305 has a bed 64cm (2ft) longer.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams GX125 HD carries 705kg more.
- Gross weight: the Ifor Williams GX125 HD is rated 900kg heavier gross.
- Internal bed: the Brian James A-Max 305 has a bed 64cm (2ft) longer.
Specifications side by side
| Brian James A-Max 305 | Ifor Williams GX125 HD | |
|---|---|---|
| Gross weight | 2600kg | 3500kg |
| Payload | 2035kg | 2740kg |
| Internal bed | 4.3m x 1.96m | 3.66m x 1.57m |
| Unladen weight | - | 760kg |
Sources: Brian James A-Max 305, Ifor Williams GX125 HD. 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 has a bed 64cm (2ft) longer
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 GX125 HD if...
- you want one that carries 705kg more
- you want one that is rated 900kg heavier gross
For plant hire firms carrying longer machines such as excavators with extended dipper arms or tracked dumpers that need the extra bed length over the GX105HD.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Brian James A-Max 305 and the Ifor Williams GX125 HD?
The Ifor Williams GX125 HD carries 705kg more and is rated 900kg heavier gross. The Brian James A-Max 305 has a bed 64cm (2ft) longer. The Brian James A-Max 305 is a a longer, higher-capacity version of the A-Max flatbed car trailer; the Ifor Williams GX125 HD is a a longer heavy-duty plant trailer.
Which carries more, the Brian James A-Max 305 or the Ifor Williams GX125 HD?
The Ifor Williams GX125 HD, by 705kg.
Can I tow the Brian James A-Max 305 or the Ifor Williams GX125 HD 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.