Head to head
Ifor Williams Business Inabox vs Ifor Williams GP
The Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit. The Ifor Williams GP is a plant trailer range.
Last reviewed 13 September 2026
Specifications side by side
| Ifor Williams Business Inabox | Ifor Williams GP | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 1900kg (Workshop M) | - |
| Internal length | 4.45m (Workshop M) | - |
| Internal width | 2.18m | - |
| Overall length | 5.96m (Workshop M) | - |
| Axles | - | Tri-axle |
Sources: Ifor Williams Business Inabox, Ifor Williams GP. Figures vary by model year and options, so check with the supplier before you commit.
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
Buy or hire the GP if...
Ifor Williams GP, carried by UK dealers and hire companies listed on GetBrent for sale. Plant trailers are the working end of groundworks: contractors and hire firms use them to move mini diggers, dumpers and rollers between sites.
Listed by
- R M Trailer Centre - Middlesbrough, North Ormesby
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Ifor Williams Business Inabox and the Ifor Williams GP?
The Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit; the Ifor Williams GP is a plant trailer range.
Can I tow the Ifor Williams Business Inabox or the Ifor Williams GP 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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