Head to head
Brian James C4 vs Ifor Williams LM146
The Ifor Williams LM146 is rated 900kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams LM146 is rated 900kg heavier gross.
Specifications side by side
| Brian James C4 | Ifor Williams LM146 | |
|---|---|---|
| Gross weight | 2600kg | 3500kg |
| Axles | Twin | - |
| Size | 2m x 4.5m loading area | - |
| Overall length | - | 5.60m |
| Overall width | - | 2.10m |
| Bed | - | 4.23m / 13'9" ((internal) length); 1.98m / 6'5" ((internal) width) |
| Unladen weight | - | 735kg |
| Payload | - | 2765kg |
| Tyres | - | 195/60R12C |
Sources: Brian James C4, Ifor Williams LM146. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the C4 if...
Brian James C4, carried by UK dealers and hire companies listed on GetBrent for hire. Car transporters in this class are hired and bought by track-day drivers, classic car owners and recovery firms who need to move a vehicle without driving it.
Listed by
- Cobham Trailer Hire - Cobham, East Horsley
- R M Trailer Centre - Middlesbrough, North Ormesby
Buy or hire the LM146 if...
- you want one that is rated 900kg 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 C4 and the Ifor Williams LM146?
The Ifor Williams LM146 is rated 900kg heavier gross. The Brian James C4 is a car transporter trailer; the Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty LM range..
Can I tow the Brian James C4 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.