Head to head
Ifor Williams GD84 vs Lider 39920
The Ifor Williams GD84 is rated 1,950kg heavier gross and is 25cm longer inside. The Lider 39920 is 80kg lighter empty and is 10cm wider inside.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams GD84 is rated 1,950kg heavier gross.
- Unladen weight: the Ifor Williams GD84 weighs 80kg more empty.
- Internal length: the Ifor Williams GD84 is 25cm longer inside.
- Internal width: the Lider 39920 is 10cm wider inside.
Specifications side by side
| Ifor Williams GD84 | Lider 39920 | |
|---|---|---|
| Gross weight | 2700kg | 750kg |
| Unladen weight | 450kg | 370kg |
| Internal length | 2.55m | 230cm |
| Internal width | 1.25m | 135cm |
| Axles | Twin | 1 |
| Payload | 2250kg | - |
| Internal height | - | 157cm |
| Brakes | - | Unbraked |
Sources: Ifor Williams GD84, Lider 39920. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GD84 if...
- you want one that is rated 1,950kg heavier gross
- you want one that is 25cm longer inside
A everyday farm and smallholding trailer for moving loose loads, logs or small livestock behind a 4x4 or pickup, chosen over the single-axle GD84 when the extra payload of a twin-axle chassis is needed.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Buy or hire the 39920 if...
- you want one that is 80kg lighter empty
- you want one that is 10cm wider inside
The smallest box van in the range, for buyers who want lockable, weatherproof storage on the move without moving up to a braked twin-axle trailer.
Listed by
- Lider Trailers - Accrington, Blackburn
Common questions
What is the difference between the Ifor Williams GD84 and the Lider 39920?
The Ifor Williams GD84 is rated 1,950kg heavier gross and is 25cm longer inside. The Lider 39920 is 80kg lighter empty and is 10cm wider inside. The Ifor Williams GD84 is a a general-purpose dropside trailer; the Lider 39920 is a an unbraked single-axle enclosed box van trailer rated at 750kg gross weight..
Which is lighter, the Ifor Williams GD84 or the Lider 39920?
The Lider 39920. It is 80kg lighter empty than the Ifor Williams GD84.
Can I tow the Ifor Williams GD84 or the Lider 39920 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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