GetBrent

Head to head

Equi-Trek Evolution vs Ifor Williams GD85

The Ifor Williams GD85 is 4,105kg lighter empty. The Equi-Trek Evolution is rated 5.8 tonnes heavier gross.

Last reviewed 13 September 2026

Equi-Trek Evolution
Equi-Trek Evolution - image: suffolk.trek-trailers.co.uk
GD85
Ifor Williams GD85

Key differences

Specifications side by side

Equi-Trek EvolutionIfor Williams GD85
Gross weight7200kg1,400kg single axle / 2,700kg twin axle
Unladen weight4500kg395kg single axle / 485kg twin axle
Overall length8.354m-
Overall width2.375m-
Overall height3.185m-
Internal bed-2.5m x 1.58m (8ft 2in x 5ft 2in)
Brakes-Braked, auto-reverse over-run

Sources: Equi-Trek Evolution, Ifor Williams GD85. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the Evolution if...

  • you want one that is rated 5.8 tonnes heavier gross

A large motorised horsebox on an Iveco chassis for yards or professionals moving up to three horses or four ponies, requiring a 7.5 tonne category licence to drive. It sits toward the top of Equi-Trek's motorised range alongside the Endeavour.

Listed by

Full Evolution specifications →

Buy or hire the GD85 if...

  • you want one that is 4,105kg lighter empty

The entry point of the Ifor Williams general duty range and one of the most common working trailers in Britain. Smallholders, gardeners and tradespeople buy it for everyday hauling without needing a heavy tow vehicle, and the twin-axle version roughly doubles the payload for a modest gain in unladen weight.

Full GD85 specifications →

Common questions

What is the difference between the Equi-Trek Evolution and the Ifor Williams GD85?

The Ifor Williams GD85 is 4,105kg lighter empty. The Equi-Trek Evolution is rated 5.8 tonnes heavier gross. The Equi-Trek Evolution is a 7.2 tonne motorised horsebox for up to three horses; the Ifor Williams GD85 is a general duty box trailer, single or twin axle.

Which is lighter, the Equi-Trek Evolution or the Ifor Williams GD85?

The Ifor Williams GD85. It is 4,105kg lighter empty than the Equi-Trek Evolution.

Can I tow the Equi-Trek Evolution or the Ifor Williams GD85 on a car licence?

Equi-Trek Evolution is rated over 3,500kg gross, which is beyond what a car can tow in the UK.

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.