Head to head
Graham Edwards FB3512 vs Ifor Williams Business Inabox
The Graham Edwards FB3512 is 1.2 tonnes lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams Business Inabox weighs 1.2 tonnes more empty.
Specifications side by side
| Graham Edwards FB3512 | Ifor Williams Business Inabox | |
|---|---|---|
| Gross weight | 3500KG | 3500kg |
| Unladen weight | 700KG | 1900kg (Workshop M) |
| Length | 12' | - |
| Width | 6'6" | - |
| Axles | TANDEM | - |
| Internal length | - | 4.45m (Workshop M) |
| Internal width | - | 2.18m |
| Overall length | - | 5.96m (Workshop M) |
Sources: Graham Edwards FB3512, Ifor Williams Business Inabox. 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 1.2 tonnes 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 Business Inabox if...
A trailer shell fitted out as a mobile workshop, shop or catering unit rather than a load carrier. Tradespeople and mobile caterers buy it to take a fitted-out workspace to a site rather than build one into a van.
Listed by
- Norfolk Trailers - Norwich
Common questions
What is the difference between the Graham Edwards FB3512 and the Ifor Williams Business Inabox?
The Graham Edwards FB3512 is 1.2 tonnes 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 Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit.
Which is lighter, the Graham Edwards FB3512 or the Ifor Williams Business Inabox?
The Graham Edwards FB3512. It is 1.2 tonnes lighter empty than the Ifor Williams Business Inabox.
Can I tow the Graham Edwards FB3512 or the Ifor Williams Business Inabox 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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