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Head to head

Ifor Williams LM146 vs Lider 37380

The Ifor Williams LM146 is rated 2.5 tonnes heavier gross. The Lider 37380 is 453kg lighter empty.

Last reviewed 13 September 2026

Ifor Williams LM146
Ifor Williams LM146 - image: blains.co.uk
Lider 37380
Lider 37380 - image: lidertrailers.co.uk

Key differences

Specifications side by side

Ifor Williams LM146Lider 37380
Gross weight3500kg1000kg
Unladen weight735kg282kg
Overall length5.60m-
Overall width2.10m-
Bed4.23m / 13'9" ((internal) length); 1.98m / 6'5" ((internal) width)-
Payload2765kg-
Tyres195/60R12C-
Internal bed-304 x 171 x 10cm
Axles-1
Brakes-Braked

Sources: Ifor Williams LM146, Lider 37380. 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 2.5 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 37380 if...

  • you want one that is 453kg lighter empty

Suits buyers wanting a braked flatbed for a ride-on mower or small plant, where the tilting bed lets the load be winched or driven on without a separate ramp.

Listed by

Full 37380 specifications →

Common questions

What is the difference between the Ifor Williams LM146 and the Lider 37380?

The Ifor Williams LM146 is rated 2.5 tonnes heavier gross. The Lider 37380 is 453kg lighter empty. The Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty LM range.; the Lider 37380 is a a braked single-axle tilt-bed flatbed trailer rated at 1000kg gross weight..

Which is lighter, the Ifor Williams LM146 or the Lider 37380?

The Lider 37380. It is 453kg lighter empty than the Ifor Williams LM146.

Can I tow the Ifor Williams LM146 or the Lider 37380 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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