Head to head
Ifor Williams HB510XL vs Ifor Williams LM85
The Ifor Williams LM85 is 765kg lighter empty and carries 765kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB510XL weighs 765kg more empty.
- Payload: the Ifor Williams LM85 carries 765kg more.
Specifications side by side
| Ifor Williams HB510XL | Ifor Williams LM85 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 1290kg | 525kg |
| Payload | 2210kg | 2975kg |
| Internal length | 4.25m | - |
| Internal width | 1.74m | - |
| Internal bed | - | 2.44m x 1.52m |
Sources: Ifor Williams HB510XL, Ifor Williams LM85. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB510XL if...
For owners of taller or longer horses who find the standard HB511 too tight, giving extra internal length on the same 3500kg chassis so it stays towable by a suitably rated 4x4.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
Buy or hire the LM85 if...
- you want one that is 765kg lighter empty
- you want one that carries 765kg more
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 HB510XL and the Ifor Williams LM85?
The Ifor Williams LM85 is 765kg lighter empty and carries 765kg more. The Ifor Williams HB510XL is a an extra-length double horsebox trailer; the Ifor Williams LM85 is a the shortest flatbed trailer in the LM range.
Which is lighter, the Ifor Williams HB510XL or the Ifor Williams LM85?
The Ifor Williams LM85. It is 765kg lighter empty than the Ifor Williams HB510XL.
Which carries more, the Ifor Williams HB510XL or the Ifor Williams LM85?
The Ifor Williams LM85, by 765kg.
Can I tow the Ifor Williams HB510XL 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.
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