Head to head
Erde PM320 vs Ifor Williams HBX506
The Erde PM320 is 805kg lighter empty. The Ifor Williams HBX506 is rated 2.3 tonnes heavier gross and carries 1,499kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HBX506 weighs 805kg more empty.
- Gross weight: the Ifor Williams HBX506 is rated 2.3 tonnes heavier gross.
- Payload: the Ifor Williams HBX506 carries 1,499kg more.
Specifications side by side
| Erde PM320 | Ifor Williams HBX506 | |
|---|---|---|
| Gross weight | 300kg | 2600kg |
| Unladen weight | 60kg | 865kg |
| Payload | 236kg | 1735kg |
| Internal bed | 200 x 112cm | - |
| Internal length | - | 3.26m |
| Internal width | - | 1.67m |
Sources: Erde PM320, Ifor Williams HBX506. 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 805kg 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
- 1Stop Trailers Ltd - Sudbury, Little Waldingfield
- Trailer Centre - Rowley Regis
Buy or hire the HBX506 if...
- you want one that is rated 2.3 tonnes heavier gross
- you want one that carries 1,499kg more
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
- R M Trailer Centre - Middlesbrough, North Ormesby
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Erde PM320 and the Ifor Williams HBX506?
The Erde PM320 is 805kg lighter empty. The Ifor Williams HBX506 is rated 2.3 tonnes heavier gross and carries 1,499kg more. The Erde PM320 is a a small unbraked single-axle trailer for carrying one motorcycle.; the Ifor Williams HBX506 is a a double horsebox trailer from Ifor Williams' HBX range.
Which is lighter, the Erde PM320 or the Ifor Williams HBX506?
The Erde PM320. It is 805kg lighter empty than the Ifor Williams HBX506.
Which carries more, the Erde PM320 or the Ifor Williams HBX506?
The Ifor Williams HBX506, by 1,499kg.
Can I tow the Erde PM320 or the Ifor Williams HBX506 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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