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Head to head

Ifor Williams GD85 vs Lider 39450

The Ifor Williams GD85 is rated 650kg heavier gross. The Lider 39450 is 145kg lighter empty.

Last reviewed 13 September 2026

GD85
Ifor Williams GD85
Lider 39450
Lider 39450 - image: lidertrailers.co.uk

Key differences

Specifications side by side

Ifor Williams GD85Lider 39450
Gross weight1,400kg single axle / 2,700kg twin axle750kg
Unladen weight395kg single axle / 485kg twin axle250kg
BrakesBraked, auto-reverse over-runUnbraked
Internal bed2.5m x 1.58m (8ft 2in x 5ft 2in)-
Internal length-251cm
Internal width-133cm
Internal height-40cm
Axles-2

Sources: Ifor Williams GD85, Lider 39450. 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 rated 650kg 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 →

Buy or hire the 39450 if...

  • you want one that is 145kg lighter empty

Gives buyers the stability of a twin-axle trailer for garden and general loads while staying under the unbraked weight limit.

Listed by

Full 39450 specifications →

Common questions

What is the difference between the Ifor Williams GD85 and the Lider 39450?

The Ifor Williams GD85 is rated 650kg heavier gross. The Lider 39450 is 145kg lighter empty. The Ifor Williams GD85 is a general duty box trailer, single or twin axle; the Lider 39450 is a an unbraked twin-axle wooden-sided general purpose trailer rated at 750kg gross weight..

Which is lighter, the Ifor Williams GD85 or the Lider 39450?

The Lider 39450. It is 145kg lighter empty than the Ifor Williams GD85.

Can I tow the Ifor Williams GD85 or the Lider 39450 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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