Head to head
Equi-Trek Space-Treka III vs Ifor Williams Business Inabox
The Equi-Trek Space-Treka III is 400kg lighter empty.
Last reviewed 13 September 2026

Key differences
- Unladen weight: the Ifor Williams Business Inabox weighs 400kg more empty.
Specifications side by side
| Equi-Trek Space-Treka III | Ifor Williams Business Inabox | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 1500kg | 1900kg (Workshop M) |
| Axles | 2 | - |
| Brakes | Braked (four fully braked wheels) | - |
| Internal length | - | 4.45m (Workshop M) |
| Internal width | - | 2.18m |
| Overall length | - | 5.96m (Workshop M) |
Sources: Equi-Trek Space-Treka III, Ifor Williams Business Inabox. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Space-Treka III if...
- you want one that is 400kg lighter empty
The current version of Equi-Trek's Space-Treka trailer, giving a generous horse area plus a separate living/tack space in a twin-axle chassis. It suits owners who want overnight facilities without moving to a triaxle model.
Listed by
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Three Counties - Hereford
- Trek-Trailers Suffolk - Bury Saint Edmunds
- Horse Trailer Sales - Robertsbridge, Staplecross
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 Equi-Trek Space-Treka III and the Ifor Williams Business Inabox?
The Equi-Trek Space-Treka III is 400kg lighter empty. The Equi-Trek Space-Treka III is a trailer with a large horse area and separate living space; the Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit.
Which is lighter, the Equi-Trek Space-Treka III or the Ifor Williams Business Inabox?
The Equi-Trek Space-Treka III. It is 400kg lighter empty than the Ifor Williams Business Inabox.
Can I tow the Equi-Trek Space-Treka III 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.
