Head to head
Erde 122 vs Ifor Williams Business Inabox
The Erde 122 is 1,835kg lighter empty. The Ifor Williams Business Inabox is 3.25m (10.5ft) longer inside and is 1.26m (4ft) wider inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams Business Inabox weighs 1,835kg more empty.
- Internal length: the Ifor Williams Business Inabox is 3.25m (10.5ft) longer inside.
- Internal width: the Ifor Williams Business Inabox is 1.26m (4ft) wider inside.
Specifications side by side
| Erde 122 | Ifor Williams Business Inabox | |
|---|---|---|
| Unladen weight | 65kg | 1900kg (Workshop M) |
| Internal length | 120cm | 4.45m (Workshop M) |
| Internal width | 92cm | 2.18m |
| Payload | 337kg | - |
| Internal height | 35cm | - |
| Gross weight | - | 3500kg |
| Overall length | - | 5.96m (Workshop M) |
Sources: Erde 122, Ifor Williams Business Inabox. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 122 if...
- you want one that is 1,835kg lighter empty
Erde's smallest general purpose trailer, bought by owners of small cars who want an occasional-use trailer for camping gear or light DIY loads.
Listed by
- Towy Trailer Centre - Llandeilo, Ffairfach
- Trailer Centre - Rowley Regis
Buy or hire the Business Inabox if...
- you want one that is 3.25m (10.5ft) longer inside
- you want one that is 1.26m (4ft) 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 Erde 122 and the Ifor Williams Business Inabox?
The Erde 122 is 1,835kg lighter empty. The Ifor Williams Business Inabox is 3.25m (10.5ft) longer inside and is 1.26m (4ft) wider inside. The Erde 122 is a a small unbraked single-axle camping and leisure trailer.; the Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit.
Which is lighter, the Erde 122 or the Ifor Williams Business Inabox?
The Erde 122. It is 1,835kg lighter empty than the Ifor Williams Business Inabox.
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