Head to head
Brian James Race Shuttle 3 vs Ifor Williams LM146
The Ifor Williams LM146 carries 1,075kg more and is rated 900kg heavier gross.
Last reviewed 13 September 2026


Key differences
- Payload: the Ifor Williams LM146 carries 1,075kg more.
- Gross weight: the Ifor Williams LM146 is rated 900kg heavier gross.
Specifications side by side
| Brian James Race Shuttle 3 | Ifor Williams LM146 | |
|---|---|---|
| Gross weight | 2600kg / 3000kg | 3500kg |
| Payload | 1690kg / 2070kg | 2765kg |
| Axles | Twin | - |
| Overall length | - | 5.60m |
| Overall width | - | 2.10m |
| Bed | - | 4.23m / 13'9" ((internal) length); 1.98m / 6'5" ((internal) width) |
| Unladen weight | - | 735kg |
| Tyres | - | 195/60R12C |
Sources: Brian James Race Shuttle 3, Ifor Williams LM146. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Race Shuttle 3 if...
Serves motorsport competitors and classic car owners who want their car fully enclosed for weather and security on longer tows. The two gross weight options let a buyer match the trailer to a lighter classic or a heavier modern performance car.
Listed by
- Bicester Trailer Centre - Bicester
- R M Trailer Centre - Middlesbrough, North Ormesby
- A47 Barwell Trailers Sales Hire Service Ltd - Leicester, Barwell
- Fieldfare Trailer Centre - Salisbury
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
Buy or hire the LM146 if...
- you want one that carries 1,075kg more
- 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 Race Shuttle 3 and the Ifor Williams LM146?
The Ifor Williams LM146 carries 1,075kg more and is rated 900kg heavier gross. The Brian James Race Shuttle 3 is a an enclosed clamshell car transporter in two gross weight options, fixed or tilt-bed; the Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty LM range..
Which carries more, the Brian James Race Shuttle 3 or the Ifor Williams LM146?
The Ifor Williams LM146, by 1,075kg.
Can I tow the Brian James Race Shuttle 3 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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