Head to head
HM Trailers DC20 vs Ifor Williams Business Inabox
The HM Trailers DC20 is a 12m3 commercial dump trailer. The Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit.
Last reviewed 13 September 2026

Specifications side by side
| HM Trailers DC20 | Ifor Williams Business Inabox | |
|---|---|---|
| Overall length | 7284mm (23ft) | 5.96m (Workshop M) |
| Capacity | 12 cubic metres | - |
| Body length | 5200mm (17ft) | - |
| Width | 2550mm (8ft 4in) | - |
| Max tipped height | 6210mm (20ft 4in) | - |
| Axles | 2 x 127mm round axles, 385/65 R22.5 wheels | - |
| Gross weight | - | 3500kg |
| Unladen weight | - | 1900kg (Workshop M) |
| Internal length | - | 4.45m (Workshop M) |
| Internal width | - | 2.18m |
Sources: HM Trailers DC20, Ifor Williams Business Inabox. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the DC20 if...
A dump trailer for hauling muck, aggregate or waste on a construction site, built to tip clear over a high-sided skip or wagon. Its round-axle running gear and reinforced chassis suit off-road site use rather than road haulage.
Listed by
- H M Trailers - Ongar, Fyfield
Buy or hire the Business Inabox if...
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 HM Trailers DC20 and the Ifor Williams Business Inabox?
The HM Trailers DC20 is a 12m3 commercial dump trailer; the Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit.
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.
