Model against model
Brian James Race Transporter 4 vs Ifor Williams GX125 HD
Two models people put on the same shortlist. Every figure below is sourced, and where one side has a specification the other does not publish, the row is left out rather than filled with a guess.
Last reviewed 13 September 2026
| Brian James Race Transporter 4 | Ifor Williams GX125 HD | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | from 1180kg | 760kg |
| Payload | up to 2320kg | 2740kg |
| Internal bed | 5.0m / 5.5m long | 3.66m x 1.57m |
Only specifications published for both models appear here. Full Brian James Race Transporter 4 figures and full Ifor Williams GX125 HD figures.
Choose the Race Transporter 4 if...
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.
Full specifications →Choose the GX125 HD if...
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.
Manufacturer also sells a skids-only version at slightly lower unladen weight; figures shown are for the ramp version.
Full specifications →Common questions
What is the difference between the Brian James Race Transporter 4 and the Ifor Williams GX125 HD?
Brian James Race Transporter 4: 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. Ifor Williams GX125 HD: 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.
Are these figures reliable?
Every figure on this page was read off a manufacturer or established dealer page and is linked to its source. Anything we could not verify is left out rather than estimated. Specifications change by model year and configuration, so confirm with the supplier before relying on them.
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