Head to head
Ifor Williams Business Inabox vs Ifor Williams GH146
The Ifor Williams GH146 is 990kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams Business Inabox weighs 990kg more empty.
Specifications side by side
| Ifor Williams Business Inabox | Ifor Williams GH146 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 1900kg (Workshop M) | 910kg |
| Internal length | 4.45m (Workshop M) | - |
| Internal width | 2.18m | - |
| Overall length | 5.96m (Workshop M) | - |
| Payload | - | 2590kg |
| Internal bed | - | 4.285m x 1.84m |
Sources: Ifor Williams Business Inabox, Ifor Williams GH146. 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 GH146 if...
- you want one that is 990kg lighter empty
Aimed at plant hire operators who need the longest bed in the GH range for larger excavators or two smaller machines, with a tri-axle chassis to keep payload up within the 3500kg limit.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Ifor Williams Business Inabox and the Ifor Williams GH146?
The Ifor Williams GH146 is 990kg lighter empty. The Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit; the Ifor Williams GH146 is a a tri-axle long-bed plant trailer.
Which is lighter, the Ifor Williams Business Inabox or the Ifor Williams GH146?
The Ifor Williams GH146. It is 990kg lighter empty than the Ifor Williams Business Inabox.
Can I tow the Ifor Williams Business Inabox or the Ifor Williams GH146 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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