Head to head
Ifor Williams Business Inabox vs Ifor Williams GP126
The Ifor Williams GP126 is 1,120kg lighter empty. The Ifor Williams Business Inabox is 40cm (1.5ft) wider inside and is 79cm (2.5ft) longer inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams Business Inabox weighs 1,120kg more empty.
- Internal width: the Ifor Williams Business Inabox is 40cm (1.5ft) wider inside.
- Internal length: the Ifor Williams Business Inabox is 79cm (2.5ft) longer inside.
Specifications side by side
| Ifor Williams Business Inabox | Ifor Williams GP126 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 1900kg (Workshop M) | 780kg (skids) or 795kg (ramp) |
| Internal length | 4.45m (Workshop M) | 3.66m/12' |
| Internal width | 2.18m | 1.78m/5'10" |
| Overall length | 5.96m (Workshop M) | - |
Sources: Ifor Williams Business Inabox, Ifor Williams GP126. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Business Inabox if...
- you want one that is 40cm (1.5ft) wider inside
- you want one that is 79cm (2.5ft) longer inside
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 GP126 if...
- you want one that is 1,120kg lighter empty
A twin-axle general purpose trailer from Ifor Williams's plant range, used to carry mini diggers, dumpers and other small plant, or general building materials. Available with loading ramps or skids.
Listed by
- East Midlands Trailers - Leicester, Thrussington
Common questions
What is the difference between the Ifor Williams Business Inabox and the Ifor Williams GP126?
The Ifor Williams GP126 is 1,120kg lighter empty. The Ifor Williams Business Inabox is 40cm (1.5ft) wider inside and is 79cm (2.5ft) longer inside. The Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit; the Ifor Williams GP126 is a general purpose plant trailer.
Which is lighter, the Ifor Williams Business Inabox or the Ifor Williams GP126?
The Ifor Williams GP126. It is 1,120kg lighter empty than the Ifor Williams Business Inabox.
Can I tow the Ifor Williams Business Inabox or the Ifor Williams GP126 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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