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Head to head

Bateson B85 Unbraked Trailer vs Ifor Williams LM166

The Ifor Williams LM166 carries 2,155kg more and is rated 2,750kg heavier gross. The Bateson B85 Unbraked Trailer is 595kg lighter empty.

Last reviewed 6 October 2026

Bateson B85 Unbraked Trailer
Bateson B85 Unbraked Trailer - image: Lothian Trailer Centre
Ifor Williams LM166
Ifor Williams LM166 - image: blains.co.uk

Key differences

Specifications side by side

Bateson B85 Unbraked TrailerIfor Williams LM166
Gross weight750 kg3500kg
Unladen weight200 kg795kg
Payload550 kg2705kg
Length3450 mm-
Width1900 mm-
Internal bed-4.77m x 1.98m

Sources: Bateson B85 Unbraked Trailer, Ifor Williams LM166. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the B85 Unbraked Trailer if...

  • you want one that is 595kg lighter empty

The largest unbraked trailer in the Bateson range, designed to carry lightweight grass cutting machinery and UTVs. Suits grounds maintenance and landscaping crews towing behind a car or pickup, with a plywood floor and a mesh ramp door.

Full B85 Unbraked Trailer specifications →

Buy or hire the LM166 if...

  • you want one that carries 2,155kg more
  • you want one that is rated 2,750kg heavier gross

Bought by contractors and hauliers who regularly carry longer loads, such as fencing materials or several pallets, and need more deck length than the LM106 or LM126 provide.

Listed by

Full LM166 specifications →

Common questions

What is the difference between the Bateson B85 Unbraked Trailer and the Ifor Williams LM166?

The Ifor Williams LM166 carries 2,155kg more and is rated 2,750kg heavier gross. The Bateson B85 Unbraked Trailer is 595kg lighter empty. The Bateson B85 Unbraked Trailer is a unbraked 8 ft x 5 ft flatbed trailer with ramp door and mesh extension sides; the Ifor Williams LM166 is a a long-bed flatbed trailer.

Which is lighter, the Bateson B85 Unbraked Trailer or the Ifor Williams LM166?

The Bateson B85 Unbraked Trailer. It is 595kg lighter empty than the Ifor Williams LM166.

Which carries more, the Bateson B85 Unbraked Trailer or the Ifor Williams LM166?

The Ifor Williams LM166, by 2,155kg.

Can I tow the Bateson B85 Unbraked Trailer or the Ifor Williams LM166 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.

GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.