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Ifor Williams Business Inabox vs Ifor Williams P7e

The Ifor Williams P7e is 1,707kg lighter empty. The Ifor Williams Business Inabox is rated 2,750kg heavier gross.

Last reviewed 13 September 2026

Business Inabox
Ifor Williams Business Inabox
Ifor Williams P7e
Ifor Williams P7e - image: blains.co.uk

Key differences

Specifications side by side

Ifor Williams Business InaboxIfor Williams P7e
Gross weight3500kg750kg
Unladen weight1900kg (Workshop M)193kg
Internal length4.45m (Workshop M)-
Internal width2.18m-
Overall length5.96m (Workshop M)-
Payload-557kg
Internal bed-2.21m x 1.21m
Brakes-Unbraked

Sources: Ifor Williams Business Inabox, Ifor Williams P7e. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the Business Inabox if...

  • you want one that is rated 2,750kg 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

Full Business Inabox specifications →

Buy or hire the P7e if...

  • you want one that is 1,707kg lighter empty

For buyers who find the P6e's bed a little short for longer items like ladders or fencing panels, on the same unbraked 750kg chassis.

Listed by

Full P7e specifications →

Common questions

What is the difference between the Ifor Williams Business Inabox and the Ifor Williams P7e?

The Ifor Williams P7e is 1,707kg lighter empty. The Ifor Williams Business Inabox is rated 2,750kg heavier gross. The Ifor Williams Business Inabox is a trailer-based mobile workshop, boxvan or catering/retail unit; the Ifor Williams P7e is a a slightly longer unbraked general-purpose trailer.

Which is lighter, the Ifor Williams Business Inabox or the Ifor Williams P7e?

The Ifor Williams P7e. It is 1,707kg lighter empty than the Ifor Williams Business Inabox.

Can I tow the Ifor Williams Business Inabox or the Ifor Williams P7e 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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