Head to head
Bockmann Master vs Ifor Williams Business Inabox
The Ifor Williams Business Inabox is rated 1.1 tonnes heavier gross and is 53cm (1.5ft) wider inside.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams Business Inabox is rated 1.1 tonnes heavier gross.
- Internal width: the Ifor Williams Business Inabox is 53cm (1.5ft) wider inside.
- Internal length: the Ifor Williams Business Inabox is 89cm (3ft) longer inside.
Specifications side by side
| Bockmann Master | Ifor Williams Business Inabox | |
|---|---|---|
| Gross weight | 2400kg | 3500kg |
| Internal length | 3560mm | 4.45m (Workshop M) |
| Internal width | 1650mm | 2.18m |
| Payload | 1316kg | - |
| Internal height | 2350mm | - |
| Unladen weight | - | 1900kg (Workshop M) |
| Overall length | - | 5.96m (Workshop M) |
Sources: Bockmann Master, Ifor Williams Business Inabox. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Master if...
The entry point into Bockmann's polyester-bodied trailer range, aimed at owners of one or two horses who want a simple, low-maintenance trailer rather than an aluminium premium model. It competes on price against other basic 2-horse trailers.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
Buy or hire the Business Inabox if...
- you want one that is rated 1.1 tonnes heavier gross
- you want one that is 53cm (1.5ft) wider inside
- you want one that is 89cm (3ft) longer 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 Bockmann Master and the Ifor Williams Business Inabox?
The Ifor Williams Business Inabox is rated 1.1 tonnes heavier gross and is 53cm (1.5ft) wider inside. The Bockmann Master is a polyester-bodied 2-horse trailer with tack room; the Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit.
Can I tow the Bockmann Master 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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