Head to head
Brian James Race Transporter 4 vs Ifor Williams GH146
The Ifor Williams GH146 is 270kg lighter empty. The Brian James Race Transporter 4 has a bed 72cm (2.5ft) longer.
Last reviewed 13 September 2026


Key differences
- Unladen weight: the Brian James Race Transporter 4 weighs 270kg more empty.
- Internal bed: the Brian James Race Transporter 4 has a bed 72cm (2.5ft) longer.
Specifications side by side
| Brian James Race Transporter 4 | Ifor Williams GH146 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | from 1180kg | 910kg |
| Payload | up to 2320kg | 2590kg |
| Internal bed | 5.0m / 5.5m long | 4.285m x 1.84m |
| Internal width | 2.12m | - |
| Axles | Twin | - |
Sources: Brian James Race Transporter 4, Ifor Williams GH146. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Transporter 4 if...
- you want one that has a bed 72cm (2.5ft) longer
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
Buy or hire the GH146 if...
- you want one that is 270kg lighter empty
Aimed at plant hire operators who need the longest bed in the GH range for larger excavators or two smaller machines, with a tri-axle chassis to keep payload up within the 3500kg limit.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Brian James Race Transporter 4 and the Ifor Williams GH146?
The Ifor Williams GH146 is 270kg lighter empty. The Brian James Race Transporter 4 has a bed 72cm (2.5ft) longer. The Brian James Race Transporter 4 is a an open twin-axle hydraulic tilt-bed car transporter; the Ifor Williams GH146 is a a tri-axle long-bed plant trailer.
Which is lighter, the Brian James Race Transporter 4 or the Ifor Williams GH146?
The Ifor Williams GH146. It is 270kg lighter empty than the Brian James Race Transporter 4.
Can I tow the Brian James Race Transporter 4 or the Ifor Williams GH146 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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