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Head to head

Ifor Williams LM146 vs Ifor Williams P5

The Ifor Williams LM146 carries 2,406kg more and is rated 3 tonnes heavier gross. The Ifor Williams P5 is 594kg lighter empty.

Last reviewed 13 September 2026

Ifor Williams LM146
Ifor Williams LM146 - image: blains.co.uk
P5
Ifor Williams P5

Key differences

Specifications side by side

Ifor Williams LM146Ifor Williams P5
Gross weight3500kg500kg
Unladen weight735kg141kg
Payload2765kg359kg
Overall length5.60m-
Overall width2.10m-
Bed4.23m / 13'9" ((internal) length); 1.98m / 6'5" ((internal) width)-
Tyres195/60R12C-
Internal bed-1.53m x 1.02m
Brakes-Unbraked

Sources: Ifor Williams LM146, Ifor Williams P5. 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 carries 2,406kg more
  • you want one that is rated 3 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 P5 if...

  • you want one that is 594kg lighter empty

A light general-purpose trailer for domestic buyers moving garden waste, small loads or a mower, chosen for its low unladen weight so it can be towed by almost any car.

Listed by

Full P5 specifications →

Common questions

What is the difference between the Ifor Williams LM146 and the Ifor Williams P5?

The Ifor Williams LM146 carries 2,406kg more and is rated 3 tonnes heavier gross. The Ifor Williams P5 is 594kg lighter empty. The Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty LM range.; the Ifor Williams P5 is a the smallest unbraked domestic trailer Ifor Williams makes.

Which is lighter, the Ifor Williams LM146 or the Ifor Williams P5?

The Ifor Williams P5. It is 594kg lighter empty than the Ifor Williams LM146.

Which carries more, the Ifor Williams LM146 or the Ifor Williams P5?

The Ifor Williams LM146, by 2,406kg.

Can I tow the Ifor Williams LM146 or the Ifor Williams P5 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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