Head to head
Ifor Williams Business Inabox vs Lider 39400E
The Lider 39400E is 1,815kg lighter empty. The Ifor Williams Business Inabox is rated 3 tonnes heavier gross and is 2.72m (9ft) longer inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams Business Inabox weighs 1,815kg more empty.
- Gross weight: the Ifor Williams Business Inabox is rated 3 tonnes heavier gross.
- Internal length: the Ifor Williams Business Inabox is 2.72m (9ft) longer inside.
- Internal width: the Ifor Williams Business Inabox is 1.03m (3.5ft) wider inside.
Specifications side by side
| Ifor Williams Business Inabox | Lider 39400E | |
|---|---|---|
| Gross weight | 3500kg | 500kg |
| Unladen weight | 1900kg (Workshop M) | 85kg |
| Internal length | 4.45m (Workshop M) | 173cm |
| Internal width | 2.18m | 115cm |
| Overall length | 5.96m (Workshop M) | - |
| Axles | - | 1 |
| Brakes | - | Unbraked |
Sources: Ifor Williams Business Inabox, Lider 39400E. 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 3 tonnes heavier gross
- you want one that is 2.72m (9ft) longer inside
- you want one that is 1.03m (3.5ft) 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
Buy or hire the 39400E if...
- you want one that is 1,815kg lighter empty
The lightest motorcycle trailer in the Lider range, aimed at owners of smaller bikes who want the least weight to tow and store.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams Business Inabox and the Lider 39400E?
The Lider 39400E is 1,815kg lighter empty. The Ifor Williams Business Inabox is rated 3 tonnes heavier gross and is 2.72m (9ft) longer inside. The Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit; the Lider 39400E is a an unbraked single-axle trailer for carrying one motorcycle, lighter than the 29420/39401..
Which is lighter, the Ifor Williams Business Inabox or the Lider 39400E?
The Lider 39400E. It is 1,815kg lighter empty than the Ifor Williams Business Inabox.
Can I tow the Ifor Williams Business Inabox or the Lider 39400E 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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