Head to head
Erde 143 vs Ifor Williams Business Inabox
The Erde 143 is 1,802kg lighter empty. The Ifor Williams Business Inabox is rated 2.9 tonnes heavier gross and is 3.01m (10ft) longer inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams Business Inabox weighs 1,802kg more empty.
- Gross weight: the Ifor Williams Business Inabox is rated 2.9 tonnes heavier gross.
- Internal length: the Ifor Williams Business Inabox is 3.01m (10ft) longer inside.
- Internal width: the Ifor Williams Business Inabox is 1.19m (4ft) wider inside.
Specifications side by side
| Erde 143 | Ifor Williams Business Inabox | |
|---|---|---|
| Internal length | 1.44m | 4.45m (Workshop M) |
| Internal width | 0.99m | 2.18m |
| Gross weight | 600kg | 3500kg |
| Unladen weight | 98kg | 1900kg (Workshop M) |
| Internal height | 0.40m | - |
| Payload | 502kg | - |
| Overall length | - | 5.96m (Workshop M) |
Sources: Erde 143, Ifor Williams Business Inabox. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 143 if...
- you want one that is 1,802kg lighter empty
The Erde 143 is a step up in size from the Erde 102, still light enough for many family cars to tow without a braking system, and commonly used for camping, tip runs and light gardening or DIY loads. Its tipping body and low unladen weight make it a popular first trailer for private buyers.
Listed by
- Towy Trailer Centre - Llandeilo, Ffairfach
Buy or hire the Business Inabox if...
- you want one that is rated 2.9 tonnes heavier gross
- you want one that is 3.01m (10ft) longer inside
- you want one that is 1.19m (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 143 and the Ifor Williams Business Inabox?
The Erde 143 is 1,802kg lighter empty. The Ifor Williams Business Inabox is rated 2.9 tonnes heavier gross and is 3.01m (10ft) longer inside. The Erde 143 is a a single-axle, unbraked general-purpose trailer with a tipping body, larger than the Erde 102.; the Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit.
Which is lighter, the Erde 143 or the Ifor Williams Business Inabox?
The Erde 143. It is 1,802kg lighter empty than the Ifor Williams Business Inabox.
Can I tow the Erde 143 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.