Head to head
Erde PM320 vs Ifor Williams GD85
The Erde PM320 is 335kg lighter empty. The Ifor Williams GD85 is rated 1.1 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams GD85 weighs 335kg more empty.
- Gross weight: the Ifor Williams GD85 is rated 1.1 tonnes heavier gross.
Specifications side by side
| Erde PM320 | Ifor Williams GD85 | |
|---|---|---|
| Gross weight | 300kg | 1,400kg single axle / 2,700kg twin axle |
| Unladen weight | 60kg | 395kg single axle / 485kg twin axle |
| Internal bed | 200 x 112cm | 2.5m x 1.58m (8ft 2in x 5ft 2in) |
| Payload | 236kg | - |
| Brakes | - | Braked, auto-reverse over-run |
Sources: Erde PM320, Ifor Williams GD85. 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 335kg 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 GD85 if...
- you want one that is rated 1.1 tonnes heavier gross
The entry point of the Ifor Williams general duty range and one of the most common working trailers in Britain. Smallholders, gardeners and tradespeople buy it for everyday hauling without needing a heavy tow vehicle, and the twin-axle version roughly doubles the payload for a modest gain in unladen weight.
Full GD85 specifications →Common questions
What is the difference between the Erde PM320 and the Ifor Williams GD85?
The Erde PM320 is 335kg lighter empty. The Ifor Williams GD85 is rated 1.1 tonnes heavier gross. The Erde PM320 is a a small unbraked single-axle trailer for carrying one motorcycle.; the Ifor Williams GD85 is a general duty box trailer, single or twin axle.
Which is lighter, the Erde PM320 or the Ifor Williams GD85?
The Erde PM320. It is 335kg lighter empty than the Ifor Williams GD85.
Can I tow the Erde PM320 or the Ifor Williams GD85 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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