Head to head
Erde CH451 vs Ifor Williams Business Inabox
The Erde CH451 is 1,791kg lighter empty. The Ifor Williams Business Inabox is rated 2.9 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams Business Inabox weighs 1,791kg more empty.
- Gross weight: the Ifor Williams Business Inabox is rated 2.9 tonnes heavier gross.
Specifications side by side
| Erde CH451 | Ifor Williams Business Inabox | |
|---|---|---|
| Gross weight | 600kg | 3500kg |
| Unladen weight | 109kg | 1900kg (Workshop M) |
| Payload | 494kg | - |
| Internal bed | 200 x 117cm | - |
| Internal length | - | 4.45m (Workshop M) |
| Internal width | - | 2.18m |
| Overall length | - | 5.96m (Workshop M) |
Sources: Erde CH451, Ifor Williams Business Inabox. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the CH451 if...
- you want one that is 1,791kg lighter empty
A bare chassis bought by buyers who want to fit their own box, cage or platform body rather than take a standard Erde trailer.
Listed by
- Southern County Trailers Ltd - Southampton, West End
- Trailer Centre - Rowley Regis
Buy or hire the Business Inabox if...
- you want one that is rated 2.9 tonnes 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 CH451 and the Ifor Williams Business Inabox?
The Erde CH451 is 1,791kg lighter empty. The Ifor Williams Business Inabox is rated 2.9 tonnes heavier gross. The Erde CH451 is a an unbraked single-axle multi-purpose trailer chassis rated at 600kg gross weight.; the Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit.
Which is lighter, the Erde CH451 or the Ifor Williams Business Inabox?
The Erde CH451. It is 1,791kg lighter empty than the Ifor Williams Business Inabox.
Can I tow the Erde CH451 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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