Head to head
Bockmann Big Portax WCF -Stall- vs Brian James Race Transporter 4
The Brian James Race Transporter 4 carries 1,010kg more and is rated 800kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Brian James Race Transporter 4 carries 1,010kg more.
- Gross weight: the Brian James Race Transporter 4 is rated 800kg heavier gross.
- Internal width: the Brian James Race Transporter 4 is 27cm wider inside.
Specifications side by side
| Bockmann Big Portax WCF -Stall- | Brian James Race Transporter 4 | |
|---|---|---|
| Gross weight | 2700kg | 3500kg |
| Payload | 1310kg | up to 2320kg |
| Internal width | 1855mm | 2.12m |
| Internal length | 4150mm | - |
| Internal height | 2400mm | - |
| Unladen weight | - | from 1180kg |
| Internal bed | - | 5.0m / 5.5m long |
| Axles | - | Twin |
Sources: Bockmann Big Portax WCF -Stall-, Brian James Race Transporter 4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Big Portax WCF -Stall- if...
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 Race Transporter 4 if...
- you want one that carries 1,010kg more
- you want one that is rated 800kg heavier gross
- you want one that is 27cm wider inside
Aimed at motorsport teams and vehicle recovery operators who need a hydraulic tilt-bed for easy low loading of a single car. It is the entry point into the numbered Race Transporter range, below the 5, 6 and 7.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Bicester Trailer Centre - Bicester
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Trek-Trailers Three Counties - Hereford
Common questions
What is the difference between the Bockmann Big Portax WCF -Stall- and the Brian James Race Transporter 4?
The Brian James Race Transporter 4 carries 1,010kg more and is rated 800kg heavier gross. The Bockmann Big Portax WCF -Stall- is a large aluminium horse trailer with a stall partition system; the Brian James Race Transporter 4 is a an open twin-axle hydraulic tilt-bed car transporter.
Which carries more, the Bockmann Big Portax WCF -Stall- or the Brian James Race Transporter 4?
The Brian James Race Transporter 4, by 1,010kg.
Can I tow the Bockmann Big Portax WCF -Stall- or the Brian James Race Transporter 4 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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