Head to head
Ifor Williams HB510XL vs Ifor Williams LM167
The Ifor Williams LM167 is 445kg lighter empty and carries 445kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB510XL weighs 445kg more empty.
- Payload: the Ifor Williams LM167 carries 445kg more.
Specifications side by side
| Ifor Williams HB510XL | Ifor Williams LM167 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 1290kg | 845kg |
| Payload | 2210kg | 2655kg |
| Internal length | 4.25m | - |
| Internal width | 1.74m | - |
| Internal bed | - | 4.77m x 2.25m |
Sources: Ifor Williams HB510XL, Ifor Williams LM167. 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 LM167 if...
- you want one that is 445kg lighter empty
- you want one that carries 445kg more
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
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Ifor Williams HB510XL and the Ifor Williams LM167?
The Ifor Williams LM167 is 445kg lighter empty and carries 445kg more. The Ifor Williams HB510XL is a an extra-length double horsebox trailer; the Ifor Williams LM167 is a a long, wide flatbed trailer.
Which is lighter, the Ifor Williams HB510XL or the Ifor Williams LM167?
The Ifor Williams LM167. It is 445kg lighter empty than the Ifor Williams HB510XL.
Which carries more, the Ifor Williams HB510XL or the Ifor Williams LM167?
The Ifor Williams LM167, by 445kg.
Can I tow the Ifor Williams HB510XL 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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