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Head to head

Erde PM320 vs Ifor Williams HBE506

The Erde PM320 is 715kg lighter empty. The Ifor Williams HBE506 is rated 1.7 tonnes heavier gross and carries 989kg more.

Last reviewed 13 September 2026

Erde PM320
Erde PM320 - image: erdetrailersuk.com
HBE506
Ifor Williams HBE506

Key differences

Specifications side by side

Erde PM320Ifor Williams HBE506
Gross weight300kg2000kg
Unladen weight60kg775kg
Payload236kg1225kg
Internal bed200 x 112cm-
Internal length-3.26m
Internal width-1.67m

Sources: Erde PM320, Ifor Williams HBE506. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the PM320 if...

  • you want one that is 715kg lighter empty

Near-identical to the PM310, rated for slightly heavier motorcycles up to 236kg. The two are the same trailer to look at, so the number to check before buying is the wet weight of the bike you intend to carry.

Listed by

Full PM320 specifications →

Buy or hire the HBE506 if...

  • you want one that is rated 1.7 tonnes heavier gross
  • you want one that carries 989kg more

Aimed at owners who want HB506-sized space for two horses or ponies but need a lower gross weight to stay within a smaller car's towing limit.

Listed by

Full HBE506 specifications →

Common questions

What is the difference between the Erde PM320 and the Ifor Williams HBE506?

The Erde PM320 is 715kg lighter empty. The Ifor Williams HBE506 is rated 1.7 tonnes heavier gross and carries 989kg more. The Erde PM320 is a a small unbraked single-axle trailer for carrying one motorcycle.; the Ifor Williams HBE506 is a a lighter-weight version of the HB506 double horsebox.

Which is lighter, the Erde PM320 or the Ifor Williams HBE506?

The Erde PM320. It is 715kg lighter empty than the Ifor Williams HBE506.

Which carries more, the Erde PM320 or the Ifor Williams HBE506?

The Ifor Williams HBE506, by 989kg.

Can I tow the Erde PM320 or the Ifor Williams HBE506 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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