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Head to head

Ifor Williams GP126 vs Lider 39920

The Ifor Williams GP126 is rated 2,750kg heavier gross and is 1.36m (4.5ft) longer inside. The Lider 39920 is 410kg lighter empty.

Last reviewed 13 September 2026

GP126
Ifor Williams GP126
Lider 39920
Lider 39920 - image: Lider Trailers

Key differences

Specifications side by side

Ifor Williams GP126Lider 39920
Gross weight3500kg750kg
Unladen weight780kg (skids) or 795kg (ramp)370kg
Internal length3.66m/12'230cm
Internal width1.78m/5'10"135cm
Internal height-157cm
Axles-1
Brakes-Unbraked

Sources: Ifor Williams GP126, Lider 39920. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the GP126 if...

  • you want one that is rated 2,750kg heavier gross
  • you want one that is 1.36m (4.5ft) longer inside
  • you want one that is 43cm (1.5ft) wider inside

A twin-axle general purpose trailer from Ifor Williams's plant range, used to carry mini diggers, dumpers and other small plant, or general building materials. Available with loading ramps or skids.

Listed by

Full GP126 specifications →

Buy or hire the 39920 if...

  • you want one that is 410kg lighter empty

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

Full 39920 specifications →

Common questions

What is the difference between the Ifor Williams GP126 and the Lider 39920?

The Ifor Williams GP126 is rated 2,750kg heavier gross and is 1.36m (4.5ft) longer inside. The Lider 39920 is 410kg lighter empty. The Ifor Williams GP126 is a general purpose plant 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 GP126 or the Lider 39920?

The Lider 39920. It is 410kg lighter empty than the Ifor Williams GP126.

Can I tow the Ifor Williams GP126 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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