Head to head
Ifor Williams HBE506 vs Ifor Williams LM166
The Ifor Williams LM166 carries 1,480kg more and is rated 1.5 tonnes heavier gross. The Ifor Williams HBE506 is 20kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams LM166 carries 1,480kg more.
- Gross weight: the Ifor Williams LM166 is rated 1.5 tonnes heavier gross.
- Unladen weight: the Ifor Williams LM166 weighs 20kg more empty.
Specifications side by side
| Ifor Williams HBE506 | Ifor Williams LM166 | |
|---|---|---|
| Gross weight | 2000kg | 3500kg |
| Unladen weight | 775kg | 795kg |
| Payload | 1225kg | 2705kg |
| Internal length | 3.26m | - |
| Internal width | 1.67m | - |
| Internal bed | - | 4.77m x 1.98m |
Sources: Ifor Williams HBE506, Ifor Williams LM166. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HBE506 if...
- you want one that is 20kg lighter empty
Aimed at owners who want HB506-sized space for two horses or ponies but need a lower gross weight to stay within a smaller car's towing limit.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the LM166 if...
- you want one that carries 1,480kg more
- you want one that is rated 1.5 tonnes 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
- G-Tec Trailers - Thetford, Holme Hale
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
Common questions
What is the difference between the Ifor Williams HBE506 and the Ifor Williams LM166?
The Ifor Williams LM166 carries 1,480kg more and is rated 1.5 tonnes heavier gross. The Ifor Williams HBE506 is 20kg lighter empty. The Ifor Williams HBE506 is a a lighter-weight version of the HB506 double horsebox; the Ifor Williams LM166 is a a long-bed flatbed trailer.
Which is lighter, the Ifor Williams HBE506 or the Ifor Williams LM166?
The Ifor Williams HBE506. It is 20kg lighter empty than the Ifor Williams LM166.
Which carries more, the Ifor Williams HBE506 or the Ifor Williams LM166?
The Ifor Williams LM166, by 1,480kg.
Can I tow the Ifor Williams HBE506 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.
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