Head to head
Brian James Digger Plant vs Ifor Williams Business Inabox
The Brian James Digger Plant is a a twin-axle plant trailer built for carrying a mini excavator or similar machine. 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 Digger Plant | Ifor Williams Business Inabox | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Internal bed | 3.2m x 1.7m | - |
| Axles | Twin (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 Digger Plant, Ifor Williams Business Inabox. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Digger Plant if...
Used by groundworkers and plant hire firms to move a mini digger between sites behind a pickup or 4x4. Its bed size and gross weight target machines around the 3 to 3.5 tonne mark rather than heavier plant.
Listed by
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
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 Digger Plant and the Ifor Williams Business Inabox?
The Brian James Digger Plant is a a twin-axle plant trailer built for carrying a mini excavator or similar machine; the Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit.
Can I tow the Brian James Digger 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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