Head to head
Bockmann Big Portax WCF -Stall- vs Brian James A-Max 305
The Brian James A-Max 305 carries 725kg more. The Bockmann Big Portax WCF -Stall- is rated 100kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Brian James A-Max 305 carries 725kg more.
- Gross weight: the Bockmann Big Portax WCF -Stall- is rated 100kg heavier gross.
Specifications side by side
| Bockmann Big Portax WCF -Stall- | Brian James A-Max 305 | |
|---|---|---|
| Gross weight | 2700kg | 2600kg |
| Payload | 1310kg | 2035kg |
| Internal length | 4150mm | - |
| Internal width | 1855mm | - |
| Internal height | 2400mm | - |
| Internal bed | - | 4.3m x 1.96m |
Sources: Bockmann Big Portax WCF -Stall-, Brian James A-Max 305. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Big Portax WCF -Stall- if...
- you want one that is rated 100kg heavier gross
The largest Portax body with a walk-in tack room and a stall-type partition rather than a fixed centre post, aimed at owners of big horses or those who want to load side by side. It is a step up in space from the standard Big Portax.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
Buy or hire the A-Max 305 if...
- you want one that carries 725kg 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
Common questions
What is the difference between the Bockmann Big Portax WCF -Stall- and the Brian James A-Max 305?
The Brian James A-Max 305 carries 725kg more. The Bockmann Big Portax WCF -Stall- is rated 100kg heavier gross. The Bockmann Big Portax WCF -Stall- is a large aluminium horse trailer with a stall partition system; the Brian James A-Max 305 is a a longer, higher-capacity version of the A-Max flatbed car trailer.
Which carries more, the Bockmann Big Portax WCF -Stall- or the Brian James A-Max 305?
The Brian James A-Max 305, by 725kg.
Can I tow the Bockmann Big Portax WCF -Stall- or the Brian James A-Max 305 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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