Head to head
Bockmann Big Portax WCF -Stall- vs Brian James C4
The Bockmann Big Portax WCF -Stall- is rated 100kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Bockmann Big Portax WCF -Stall- is rated 100kg heavier gross.
Specifications side by side
| Bockmann Big Portax WCF -Stall- | Brian James C4 | |
|---|---|---|
| Gross weight | 2700kg | 2600kg |
| Payload | 1310kg | - |
| Internal length | 4150mm | - |
| Internal width | 1855mm | - |
| Internal height | 2400mm | - |
| Axles | - | Twin |
| Size | - | 2m x 4.5m loading area |
Sources: Bockmann Big Portax WCF -Stall-, Brian James C4. 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 C4 if...
Brian James C4, carried by UK dealers and hire companies listed on GetBrent for hire. Car transporters in this class are hired and bought by track-day drivers, classic car owners and recovery firms who need to move a vehicle without driving it.
Listed by
- Cobham Trailer Hire - Cobham, East Horsley
- R M Trailer Centre - Middlesbrough, North Ormesby
Common questions
What is the difference between the Bockmann Big Portax WCF -Stall- and the Brian James C4?
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 C4 is a car transporter trailer.
Can I tow the Bockmann Big Portax WCF -Stall- or the Brian James C4 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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