Head to head
Brian James Race Transporter 6 vs Ifor Williams CT166
The Ifor Williams CT166 is 555kg lighter empty. The Brian James Race Transporter 6 has a bed 63cm (2ft) longer.
Last reviewed 13 September 2026


Key differences
- Unladen weight: the Brian James Race Transporter 6 weighs 555kg more empty.
- Internal bed: the Brian James Race Transporter 6 has a bed 63cm (2ft) longer.
Specifications side by side
| Brian James Race Transporter 6 | Ifor Williams CT166 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | from 1440kg | 885kg |
| Payload | up to 2060kg | 2615kg |
| Internal bed | 5.5m / 6.0m / 6.5m long | 4.87m x 1.90m |
| Internal width | 2.13m / 2.35m | - |
| Axles | Tri-axle | - |
Sources: Brian James Race Transporter 6, Ifor Williams CT166. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Transporter 6 if...
- you want one that has a bed 63cm (2ft) longer
Chosen by professional race and recovery outfits carrying wider GT or modified cars that need the extra internal width over the Race Transporter 4 and 5. The tri-axle chassis and electric tilt-bed suit frequent, heavier-duty use.
Listed by
- Bicester Trailer Centre - Bicester
Buy or hire the CT166 if...
- you want one that is 555kg lighter empty
Bought by garages, recovery operators and plant hire firms who load low vehicles or compact machinery by tilting the deck to ground level instead of driving up loading ramps. The narrower CT166 bed suits standard cars and single machines.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Brian James Race Transporter 6 and the Ifor Williams CT166?
The Ifor Williams CT166 is 555kg lighter empty. The Brian James Race Transporter 6 has a bed 63cm (2ft) longer. The Brian James Race Transporter 6 is a a tri-axle electric tilt-bed car transporter for heavier or wider vehicles; the Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer.
Which is lighter, the Brian James Race Transporter 6 or the Ifor Williams CT166?
The Ifor Williams CT166. It is 555kg lighter empty than the Brian James Race Transporter 6.
Can I tow the Brian James Race Transporter 6 or the Ifor Williams CT166 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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