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Head to head

Ifor Williams LM146 vs Lider 34392

The Ifor Williams LM146 is rated 2.2 tonnes heavier gross. The Lider 34392 is 445kg lighter empty.

Last reviewed 13 September 2026

Ifor Williams LM146
Ifor Williams LM146 - image: blains.co.uk
Lider 34392
Lider 34392 - image: lidertrailers.co.uk

Key differences

Specifications side by side

Ifor Williams LM146Lider 34392
Gross weight3500kg1300kg
Unladen weight735kg290kg
Overall length5.60m-
Overall width2.10m-
Bed4.23m / 13'9" ((internal) length); 1.98m / 6'5" ((internal) width)-
Payload2765kg-
Tyres195/60R12C-
Internal length-253cm
Internal width-134cm
Internal height-50cm
Axles-1
Brakes-Braked

Sources: Ifor Williams LM146, Lider 34392. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the LM146 if...

  • you want one that is rated 2.2 tonnes heavier gross

The LM146 is a general-purpose flatbed aimed at landscaping, construction and plumbing trades that need a long, wide load bed with a high payload on a single 3500kg-braked chassis. It is used where loads are bulky or awkwardly shaped rather than plant machinery, which typically goes on the ramped GX range instead.

Listed by

Full LM146 specifications →

Buy or hire the 34392 if...

  • you want one that is 445kg lighter empty

A tradesman's workhorse trailer for tip runs, building materials and DIY projects, sized so a single axle stays legal while carrying over a tonne of payload.

Listed by

Full 34392 specifications →

Common questions

What is the difference between the Ifor Williams LM146 and the Lider 34392?

The Ifor Williams LM146 is rated 2.2 tonnes heavier gross. The Lider 34392 is 445kg lighter empty. The Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty LM range.; the Lider 34392 is a a braked single-axle general purpose trailer rated at 1300kg gross weight..

Which is lighter, the Ifor Williams LM146 or the Lider 34392?

The Lider 34392. It is 445kg lighter empty than the Ifor Williams LM146.

Can I tow the Ifor Williams LM146 or the Lider 34392 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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