Head to head
Brian James General Plant vs Ifor Williams Business Inabox
The Brian James General Plant is a a tri-axle equipment trailer for general building and groundwork plant. The Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit.
Last reviewed 13 September 2026
Specifications side by side
| Brian James General Plant | Ifor Williams Business Inabox | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Payload | 2593kg | - |
| Internal bed | 3.6m x 1.8m | - |
| Axles | Tri-axle (12in wheels) | - |
| Unladen weight | - | 1900kg (Workshop M) |
| Internal length | - | 4.45m (Workshop M) |
| Internal width | - | 2.18m |
| Overall length | - | 5.96m (Workshop M) |
Sources: Brian James General Plant, Ifor Williams Business Inabox. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the General Plant if...
A tougher all-round plant trailer for contractors who need to move a range of machines - diggers, dumpers, rollers - rather than one specific type. The tri-axle chassis spreads load for towing at higher gross weight on public roads.
Listed by
- Fieldfare Trailer Centre - Salisbury
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
- Bicester Trailer Centre - Bicester
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 Brian James General Plant and the Ifor Williams Business Inabox?
The Brian James General Plant is a a tri-axle equipment trailer for general building and groundwork plant; the Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit.
Can I tow the Brian James General Plant 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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