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

Key differences
- Unladen weight: the Ifor Williams HBE506 weighs 715kg more empty.
- Gross weight: the Ifor Williams HBE506 is rated 1.7 tonnes heavier gross.
- Payload: the Ifor Williams HBE506 carries 989kg more.
Specifications side by side
| Erde PM320 | Ifor Williams HBE506 | |
|---|---|---|
| Gross weight | 300kg | 2000kg |
| Unladen weight | 60kg | 775kg |
| Payload | 236kg | 1225kg |
| Internal bed | 200 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
- 1Stop Trailers Ltd - Sudbury, Little Waldingfield
- Trailer Centre - Rowley Regis
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
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
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.
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.
