Head to head
Ifor Williams HB511 vs Ifor Williams LM85
The Ifor Williams LM85 is 475kg lighter empty and is rated 800kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB511 weighs 475kg more empty.
- Gross weight: the Ifor Williams LM85 is rated 800kg heavier gross.
Specifications side by side
| Ifor Williams HB511 | Ifor Williams LM85 | |
|---|---|---|
| Gross weight | 2,700kg | 3500kg |
| Unladen weight | 1,000kg | 525kg |
| Internal length | 3.52m | - |
| Internal width | 1.79m | - |
| Brakes | Braked | - |
| Payload | - | 2975kg |
| Internal bed | - | 2.44m x 1.52m |
Sources: Ifor Williams HB511, Ifor Williams LM85. 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
- Trek-Trailers Lincolnshire - Doncaster, Belton
- Trek-Trailers Suffolk - Bury Saint Edmunds
- R M Trailer Centre - Middlesbrough, North Ormesby
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Horse Trailer Sales - Robertsbridge, Staplecross
- Trek-Trailers Three Counties - Hereford
Buy or hire the LM85 if...
- you want one that is 475kg lighter empty
- you want one that is rated 800kg heavier gross
A compact flatbed for smallholders and tradespeople who need to move heavy but not bulky loads, such as pallets of blocks, and want maximum payload from the smallest bed in the range.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Ifor Williams HB511 and the Ifor Williams LM85?
The Ifor Williams LM85 is 475kg lighter empty and is rated 800kg heavier gross. The Ifor Williams HB511 is a two-horse trailer, twin axle, wider body; the Ifor Williams LM85 is a the shortest flatbed trailer in the LM range.
Which is lighter, the Ifor Williams HB511 or the Ifor Williams LM85?
The Ifor Williams LM85. It is 475kg lighter empty than the Ifor Williams HB511.
Can I tow the Ifor Williams HB511 or the Ifor Williams LM85 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.