Head to head
Erde CH751 vs Ifor Williams Business Inabox
The Erde CH751 is 1,769kg lighter empty. The Ifor Williams Business Inabox is rated 2,750kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams Business Inabox weighs 1,769kg more empty.
- Gross weight: the Ifor Williams Business Inabox is rated 2,750kg heavier gross.
Specifications side by side
| Erde CH751 | Ifor Williams Business Inabox | |
|---|---|---|
| Gross weight | 750kg | 3500kg |
| Unladen weight | 131kg | 1900kg (Workshop M) |
| Payload | 625kg | - |
| Internal length | - | 4.45m (Workshop M) |
| Internal width | - | 2.18m |
| Overall length | - | 5.96m (Workshop M) |
Sources: Erde CH751, Ifor Williams Business Inabox. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the CH751 if...
- you want one that is 1,769kg lighter empty
The higher-capacity version of the CH451 chassis for buyers building a heavier custom body or fitting a motorcycle carrier deck.
Listed by
- Fieldfare Trailer Centre - Salisbury
- Trailer Centre - Rowley Regis
Buy or hire the Business Inabox if...
- you want one that is rated 2,750kg 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
Common questions
What is the difference between the Erde CH751 and the Ifor Williams Business Inabox?
The Erde CH751 is 1,769kg lighter empty. The Ifor Williams Business Inabox is rated 2,750kg heavier gross. The Erde CH751 is a an unbraked single-axle multi-purpose trailer chassis rated at 750kg gross weight.; the Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit.
Which is lighter, the Erde CH751 or the Ifor Williams Business Inabox?
The Erde CH751. It is 1,769kg lighter empty than the Ifor Williams Business Inabox.
Can I tow the Erde CH751 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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