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Equi-Trek Space-Treka M vs Ifor Williams HB403

The Equi-Trek Space-Treka M is rated 900kg heavier gross. The Ifor Williams HB403 is 353kg lighter empty.

Last reviewed 13 September 2026

Equi-Trek Space-Treka M
Equi-Trek Space-Treka M - image: yorkshire.trek-trailers.co.uk
Ifor Williams HB403
Ifor Williams HB403 - image: Barlow Trailers

Key differences

Specifications side by side

Equi-Trek Space-Treka MIfor Williams HB403
Unladen weightFrom 1120kg767kg
Gross weight2500kg (max)1600kg
Body length3756mm (12ft 3in) (external)-
Body width1835mm (6ft 1in) (external)-
Horse area length2665mm (8ft 9in) (internal)-
Payload-833kg
Internal length-3.08m
Internal width-1.30m

Sources: Equi-Trek Space-Treka M, Ifor Williams HB403. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the Space-Treka M if...

  • you want one that is rated 900kg heavier gross

Equi-Trek Space-Treka M, carried by UK dealers and hire companies listed on GetBrent for sale. Horseboxes and horse trailers like this are chosen by private owners and competition yards moving horses to shows, vets and new yards.

Listed by

Full Space-Treka M specifications →

Buy or hire the HB403 if...

  • you want one that is 353kg lighter empty

The smallest trailer in the HB horsebox range, bought by owners of a single horse or a couple of ponies who want the lightest legal option that can still be towed by a mid-size car.

Listed by

Full HB403 specifications →

Common questions

What is the difference between the Equi-Trek Space-Treka M and the Ifor Williams HB403?

The Equi-Trek Space-Treka M is rated 900kg heavier gross. The Ifor Williams HB403 is 353kg lighter empty. The Equi-Trek Space-Treka M is a horsebox or horse trailer; the Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer.

Which is lighter, the Equi-Trek Space-Treka M or the Ifor Williams HB403?

The Ifor Williams HB403. It is 353kg lighter empty than the Equi-Trek Space-Treka M.

Can I tow the Equi-Trek Space-Treka M or the Ifor Williams HB403 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.