Head to head
Brian James Race Sport vs Ifor Williams LM146
The Ifor Williams LM146 is 335kg lighter empty and carries 835kg more.
Last reviewed 13 September 2026

Key differences
- Unladen weight: the Brian James Race Sport weighs 335kg more empty.
- Payload: the Ifor Williams LM146 carries 835kg more.
- Gross weight: the Ifor Williams LM146 is rated 500kg heavier gross.
Specifications side by side
| Brian James Race Sport | Ifor Williams LM146 | |
|---|---|---|
| Gross weight | 3000kg | 3500kg |
| Unladen weight | from 1070kg | 735kg |
| Payload | up to 1930kg | 2765kg |
| Internal bed | 4.5m / 5.0m / 5.5m long x 2.0m / 2.1m wide | - |
| Axles | Twin | - |
| 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 Sport, Ifor Williams LM146. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Sport if...
A step up from the basic A Transporter range for racers and dealers who tie cars down often and want a punched deck for extra restraint options. It sits below the Race Transporter range on price while still covering most single-car trailering needs.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Fieldfare Trailer Centre - Salisbury
- Bicester Trailer Centre - Bicester
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
- Trek-Trailers Three Counties - Hereford
Buy or hire the LM146 if...
- you want one that is 335kg lighter empty
- you want one that carries 835kg more
- you want one that is rated 500kg heavier gross
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 Sport and the Ifor Williams LM146?
The Ifor Williams LM146 is 335kg lighter empty and carries 835kg more. The Brian James Race Sport is a an open twin-axle car transporter with a fully punched steel deck; 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 Sport or the Ifor Williams LM146?
The Ifor Williams LM146. It is 335kg lighter empty than the Brian James Race Sport.
Which carries more, the Brian James Race Sport or the Ifor Williams LM146?
The Ifor Williams LM146, by 835kg.
Can I tow the Brian James Race Sport 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.
