Head to head
Ifor Williams Business Inabox vs Ifor Williams GX105
The Ifor Williams GX105 is 1,225kg lighter empty. The Ifor Williams Business Inabox is rated 800kg heavier gross.
Last reviewed 13 September 2026

Key differences
- Unladen weight: the Ifor Williams Business Inabox weighs 1,225kg more empty.
- Gross weight: the Ifor Williams Business Inabox is rated 800kg heavier gross.
Specifications side by side
| Ifor Williams Business Inabox | Ifor Williams GX105 | |
|---|---|---|
| Gross weight | 3500kg | 2700kg |
| Unladen weight | 1900kg (Workshop M) | 675kg |
| Internal length | 4.45m (Workshop M) | - |
| Internal width | 2.18m | - |
| Overall length | 5.96m (Workshop M) | - |
| Payload | - | 2025kg |
| Internal bed | - | 3.03m x 1.57m |
Sources: Ifor Williams Business Inabox, Ifor Williams GX105. 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 rated 800kg heavier gross
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 GX105 if...
- you want one that is 1,225kg lighter empty
A plant hire and groundworks trailer for skid-steers or mini excavators that need a longer bed than the GX84 but not the higher 3500kg gross weight of the GX105HD.
Listed by
- East Midlands Trailers - Leicester, Thrussington
Common questions
What is the difference between the Ifor Williams Business Inabox and the Ifor Williams GX105?
The Ifor Williams GX105 is 1,225kg lighter empty. The Ifor Williams Business Inabox is rated 800kg heavier gross. The Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit; the Ifor Williams GX105 is a a mid-size plant trailer with a skid or ramp loading option.
Which is lighter, the Ifor Williams Business Inabox or the Ifor Williams GX105?
The Ifor Williams GX105. It is 1,225kg lighter empty than the Ifor Williams Business Inabox.
Can I tow the Ifor Williams Business Inabox or the Ifor Williams GX105 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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