Head to head
Ifor Williams GD85 vs Lider 39770
The Lider 39770 is rated 200kg heavier gross. The Ifor Williams GD85 is 35kg lighter empty.
Last reviewed 13 September 2026


Key differences
- Gross weight: the Lider 39770 is rated 200kg heavier gross.
- Unladen weight: the Lider 39770 weighs 35kg more empty.
Specifications side by side
| Ifor Williams GD85 | Lider 39770 | |
|---|---|---|
| Gross weight | 1,400kg single axle / 2,700kg twin axle | 1600kg |
| Unladen weight | 395kg single axle / 485kg twin axle | 430kg |
| Internal bed | 2.5m x 1.58m (8ft 2in x 5ft 2in) | 361 x 185 x 11cm |
| Brakes | Braked, auto-reverse over-run | Braked |
| Axles | - | 1 |
Sources: Ifor Williams GD85, Lider 39770. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GD85 if...
- you want one that is 35kg lighter empty
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 →Buy or hire the 39770 if...
- you want one that is rated 200kg heavier gross
A lighter single-axle car transporter for owners of small cars, motorhomes-with-tow-cars or similar, sized to be towed by a mid-range family car.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams GD85 and the Lider 39770?
The Lider 39770 is rated 200kg heavier gross. The Ifor Williams GD85 is 35kg lighter empty. The Ifor Williams GD85 is a general duty box trailer, single or twin axle; the Lider 39770 is a a braked single-axle car transporter trailer rated at 1600kg gross weight..
Which is lighter, the Ifor Williams GD85 or the Lider 39770?
The Ifor Williams GD85. It is 35kg lighter empty than the Lider 39770.
Can I tow the Ifor Williams GD85 or the Lider 39770 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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