Head to head
Bateson Derby vs Ifor Williams Business Inabox
The Bateson Derby is 1,225kg lighter empty. The Ifor Williams Business Inabox is rated 1.8 tonnes heavier gross and is 1.75m (5.5ft) longer inside.
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 1.8 tonnes heavier gross.
- Internal length: the Ifor Williams Business Inabox is 1.75m (5.5ft) longer inside.
- Internal width: the Ifor Williams Business Inabox is 68cm (2ft) wider inside.
Specifications side by side
| Bateson Derby | Ifor Williams Business Inabox | |
|---|---|---|
| Gross weight | 1,700kg | 3500kg |
| Unladen weight | 675kg | 1900kg (Workshop M) |
| Internal length | 2.70m | 4.45m (Workshop M) |
| Internal width | 1.50m | 2.18m |
| Payload | approx. 1,025kg | - |
| Overall length | - | 5.96m (Workshop M) |
Sources: Bateson Derby, Ifor Williams Business Inabox. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Derby if...
- you want one that is 1,225kg lighter empty
A light double horse trailer that can be towed by a large saloon car rather than needing a 4x4, thanks to its low unladen weight. It suits owners moving one or two horses locally who want to avoid buying a heavier, purpose-built tow vehicle.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Buy or hire the Business Inabox if...
- you want one that is rated 1.8 tonnes heavier gross
- you want one that is 1.75m (5.5ft) longer inside
- you want one that is 68cm (2ft) wider 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
Common questions
What is the difference between the Bateson Derby and the Ifor Williams Business Inabox?
The Bateson Derby is 1,225kg lighter empty. The Ifor Williams Business Inabox is rated 1.8 tonnes heavier gross and is 1.75m (5.5ft) longer inside. The Bateson Derby is a lightweight rear-unload double horse trailer; the Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit.
Which is lighter, the Bateson Derby or the Ifor Williams Business Inabox?
The Bateson Derby. It is 1,225kg lighter empty than the Ifor Williams Business Inabox.
Can I tow the Bateson Derby or the Ifor Williams Business Inabox 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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