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Head to head

Ifor Williams HBX506 vs Nugent F3720H

The Nugent F3720H carries 1,090kg more and is rated 900kg heavier gross.

Last reviewed 13 September 2026

Ifor Williams HBX506
Ifor Williams HBX506 - image: Norfolk Trailers
F3720H
Nugent F3720H

Key differences

Specifications side by side

Ifor Williams HBX506Nugent F3720H
Gross weight2600kg3500kg
Unladen weight865kg675kg
Payload1735kg2825kg
Internal length3.26m-
Internal width1.67m-
Internal bed-3650mm x 2000mm
Axles-Twin

Sources: Ifor Williams HBX506, Nugent F3720H. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the HBX506 if...

A mid-size horsebox for owners moving one or two horses who want the updated HBX styling and features rather than the standard HB range trailer.

Listed by

Full HBX506 specifications →

Buy or hire the F3720H if...

  • you want one that carries 1,090kg more
  • you want one that is rated 900kg heavier gross
  • you want one that is 190kg lighter empty

A general haulage flatbed for farmers and small contractors moving bales, machinery or building materials, built around Nugent's own suspension design and Knott brakes rather than a bought-in chassis.

Listed by

Full F3720H specifications →

Common questions

What is the difference between the Ifor Williams HBX506 and the Nugent F3720H?

The Nugent F3720H carries 1,090kg more and is rated 900kg heavier gross. The Ifor Williams HBX506 is a a double horsebox trailer from Ifor Williams' HBX range; the Nugent F3720H is a a twin-axle flatbed trailer with Nugent's Dual Drive suspension.

Which is lighter, the Ifor Williams HBX506 or the Nugent F3720H?

The Nugent F3720H. It is 190kg lighter empty than the Ifor Williams HBX506.

Which carries more, the Ifor Williams HBX506 or the Nugent F3720H?

The Nugent F3720H, by 1,090kg.

Can I tow the Ifor Williams HBX506 or the Nugent F3720H 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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