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Ifor Williams LM146 vs Ifor Williams TT3017

The Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty lm range.. The Ifor Williams TT3017 is a tipping trailer, twin axle.

Last reviewed 13 September 2026

Ifor Williams LM146
Ifor Williams LM146 - image: blains.co.uk
Ifor Williams TT3017
Ifor Williams TT3017 - image: Norfolk Trailers

Specifications side by side

Ifor Williams LM146Ifor Williams TT3017
Gross weight3500kg3,500kg
Unladen weight735kg870-880kg depending on tyre specification
Overall length5.60m-
Overall width2.10m-
Bed4.23m / 13'9" ((internal) length); 1.98m / 6'5" ((internal) width)-
Payload2765kg-
Tyres195/60R12C-
Internal body-3.01m x 1.62m (9ft 9in x 5ft 6in)
Brakes-Braked

Sources: Ifor Williams LM146, Ifor Williams TT3017. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the LM146 if...

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.

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Full LM146 specifications →

Buy or hire the TT3017 if...

A mid-size powered tipper used by groundworkers, agricultural contractors and self-builders moving muck, aggregate and spoil. The electric tipping ram is what you are paying for over a hand-winch tipper, and on a trailer used weekly it earns that back quickly.

Listed by

Full TT3017 specifications →

Common questions

What is the difference between the Ifor Williams LM146 and the Ifor Williams TT3017?

The Ifor Williams LM146 is a a twin-axle flatbed goods trailer in the heavier-duty LM range.; the Ifor Williams TT3017 is a tipping trailer, twin axle.

Can I tow the Ifor Williams LM146 or the Ifor Williams TT3017 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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