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Head to head

Ifor Williams HB511 vs Ifor Williams LM167

The Ifor Williams LM167 is rated 800kg heavier gross and is 155kg lighter empty.

Last reviewed 13 September 2026

Ifor Williams HB511
Ifor Williams HB511 - image: agrocotrailers.co.uk
Ifor Williams LM167
Ifor Williams LM167 - image: Barnwell Trailers Ltd

Key differences

Specifications side by side

Ifor Williams HB511Ifor Williams LM167
Gross weight2,700kg3500kg
Unladen weight1,000kg845kg
Internal length3.52m-
Internal width1.79m-
BrakesBraked-
Payload-2655kg
Internal bed-4.77m x 2.25m

Sources: Ifor Williams HB511, Ifor Williams LM167. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the HB511 if...

The wider step up from the HB506, for larger horses or owners who want more room in transit. The extra 12cm of internal width and 36cm of length cost 80kg unladen, which is worth checking against your tow vehicle before choosing it over the HB506.

Listed by

Full HB511 specifications →

Buy or hire the LM167 if...

  • you want one that is rated 800kg heavier gross
  • you want one that is 155kg lighter empty

For operators carrying wide loads such as pallets in double rows or plant machinery, taking the LM166's length and adding the range's 2.25m wide-bed option.

Listed by

Full LM167 specifications →

Common questions

What is the difference between the Ifor Williams HB511 and the Ifor Williams LM167?

The Ifor Williams LM167 is rated 800kg heavier gross and is 155kg lighter empty. The Ifor Williams HB511 is a two-horse trailer, twin axle, wider body; the Ifor Williams LM167 is a a long, wide flatbed trailer.

Which is lighter, the Ifor Williams HB511 or the Ifor Williams LM167?

The Ifor Williams LM167. It is 155kg lighter empty than the Ifor Williams HB511.

Can I tow the Ifor Williams HB511 or the Ifor Williams LM167 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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