Head to head
Ifor Williams Business Inabox vs Ifor Williams CT166
The Ifor Williams CT166 is 1,015kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams Business Inabox weighs 1,015kg more empty.
Specifications side by side
| Ifor Williams Business Inabox | Ifor Williams CT166 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 1900kg (Workshop M) | 885kg |
| Internal length | 4.45m (Workshop M) | - |
| Internal width | 2.18m | - |
| Overall length | 5.96m (Workshop M) | - |
| Payload | - | 2615kg |
| Internal bed | - | 4.87m x 1.90m |
Sources: Ifor Williams Business Inabox, Ifor Williams CT166. 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 CT166 if...
- you want one that is 1,015kg lighter empty
Bought by garages, recovery operators and plant hire firms who load low vehicles or compact machinery by tilting the deck to ground level instead of driving up loading ramps. The narrower CT166 bed suits standard cars and single machines.
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 CT166?
The Ifor Williams CT166 is 1,015kg lighter empty. The Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit; the Ifor Williams CT166 is a a tilt-bed car and machinery transporter trailer.
Which is lighter, the Ifor Williams Business Inabox or the Ifor Williams CT166?
The Ifor Williams CT166. It is 1,015kg lighter empty than the Ifor Williams Business Inabox.
Can I tow the Ifor Williams Business Inabox or the Ifor Williams CT166 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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