Head to head
Graham Edwards FB3512 vs Ifor Williams LM146
The Graham Edwards FB3512 is 35kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams LM146 weighs 35kg more empty.
Specifications side by side
| Graham Edwards FB3512 | Ifor Williams LM146 | |
|---|---|---|
| Gross weight | 3500KG | 3500kg |
| Unladen weight | 700KG | 735kg |
| Length | 12' | - |
| Width | 6'6" | - |
| Axles | TANDEM | - |
| Overall length | - | 5.60m |
| Overall width | - | 2.10m |
| Bed | - | 4.23m / 13'9" ((internal) length); 1.98m / 6'5" ((internal) width) |
| Payload | - | 2765kg |
| Tyres | - | 195/60R12C |
Sources: Graham Edwards FB3512, Ifor Williams LM146. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the FB3512 if...
- you want one that is 35kg lighter empty
A general purpose galvanized flatbed for contractors, landscapers and farms moving pallets, materials and machinery. Beavertail, tiltbed and side options are listed by the maker.
Full FB3512 specifications →Buy or hire the LM146 if...
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 Graham Edwards FB3512 and the Ifor Williams LM146?
The Graham Edwards FB3512 is 35kg lighter empty. The Graham Edwards FB3512 is a 12 ft x 6 ft 6 in tandem axle 3.5 tonne flatbed trailer; the Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty LM range..
Which is lighter, the Graham Edwards FB3512 or the Ifor Williams LM146?
The Graham Edwards FB3512. It is 35kg lighter empty than the Ifor Williams LM146.
Can I tow the Graham Edwards FB3512 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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