Head to head
Brian James A4 Transporter vs Ifor Williams LM146
The Ifor Williams LM146 carries 535kg more and is rated 500kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams LM146 carries 535kg more.
- Gross weight: the Ifor Williams LM146 is rated 500kg heavier gross.
- Unladen weight: the Brian James A4 Transporter weighs 35kg more empty.
Specifications side by side
| Brian James A4 Transporter | Ifor Williams LM146 | |
|---|---|---|
| Gross weight | 3000kg | 3500kg |
| Unladen weight | 770kg | 735kg |
| Payload | 2230kg | 2765kg |
| Internal bed | 4.5m x 2.0m | - |
| Axles | Twin 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 A4 Transporter, Ifor Williams LM146. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the A4 Transporter if...
The A4 Transporter suits driving schools, small dealers and enthusiasts who need to move one car at a time behind a car-derived tow vehicle, offering a simple twin-axle bed without the cost of a beavertail or enclosed body. Its compact size makes it easier to store and manoeuvre than the longer trailers in the A Transporter range.
Listed by
- Compass Trailers - Lewes, Ringmer
- Saxons Trailers - Westerham, Biggin Hill
- R M Trailer Centre - Middlesbrough, North Ormesby
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
Buy or hire the LM146 if...
- you want one that carries 535kg more
- you want one that is rated 500kg heavier gross
- you want one that is 35kg lighter empty
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 A4 Transporter and the Ifor Williams LM146?
The Ifor Williams LM146 carries 535kg more and is rated 500kg heavier gross. The Brian James A4 Transporter is a twin-axle open car transporter trailer from Brian James' A Transporter range, built for towing one car on a 4.5m bed.; the Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty LM range..
Which is lighter, the Brian James A4 Transporter or the Ifor Williams LM146?
The Ifor Williams LM146. It is 35kg lighter empty than the Brian James A4 Transporter.
Which carries more, the Brian James A4 Transporter or the Ifor Williams LM146?
The Ifor Williams LM146, by 535kg.
Can I tow the Brian James A4 Transporter 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.
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