Head to head
Brian James Race Transporter 6 vs Ifor Williams LM146
The Ifor Williams LM146 is 705kg lighter empty and carries 705kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Brian James Race Transporter 6 weighs 705kg more empty.
- Payload: the Ifor Williams LM146 carries 705kg more.
Specifications side by side
| Brian James Race Transporter 6 | Ifor Williams LM146 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | from 1440kg | 735kg |
| Payload | up to 2060kg | 2765kg |
| Internal width | 2.13m / 2.35m | - |
| Internal bed | 5.5m / 6.0m / 6.5m long | - |
| Axles | Tri-axle | - |
| Overall length | - | 5.60m |
| Overall width | - | 2.10m |
| Bed | - | 4.23m / 13'9" ((internal) length); 1.98m / 6'5" ((internal) width) |
| Tyres | - | 195/60R12C |
Sources: Brian James Race Transporter 6, Ifor Williams LM146. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Transporter 6 if...
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 LM146 if...
- you want one that is 705kg lighter empty
- you want one that carries 705kg more
The LM146 is a general-purpose flatbed aimed at landscaping, construction and plumbing trades that need a long, wide load bed with a high payload on a single 3500kg-braked chassis. It is used where loads are bulky or awkwardly shaped rather than plant machinery, which typically goes on the ramped GX range instead.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- G-Tec Trailers - Thetford, Holme Hale
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Brian James Race Transporter 6 and the Ifor Williams LM146?
The Ifor Williams LM146 is 705kg lighter empty and carries 705kg more. The Brian James Race Transporter 6 is a a tri-axle electric tilt-bed car transporter for heavier or wider vehicles; the Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty LM range..
Which is lighter, the Brian James Race Transporter 6 or the Ifor Williams LM146?
The Ifor Williams LM146. It is 705kg lighter empty than the Brian James Race Transporter 6.
Which carries more, the Brian James Race Transporter 6 or the Ifor Williams LM146?
The Ifor Williams LM146, by 705kg.
Can I tow the Brian James Race Transporter 6 or the Ifor Williams LM146 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.