Head to head
Ifor Williams HB403 vs Ifor Williams LM167
The Ifor Williams LM167 carries 1,822kg more and is rated 1.9 tonnes heavier gross. The Ifor Williams HB403 is 78kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams LM167 carries 1,822kg more.
- Gross weight: the Ifor Williams LM167 is rated 1.9 tonnes heavier gross.
- Unladen weight: the Ifor Williams LM167 weighs 78kg more empty.
Specifications side by side
| Ifor Williams HB403 | Ifor Williams LM167 | |
|---|---|---|
| Gross weight | 1600kg | 3500kg |
| Unladen weight | 767kg | 845kg |
| Payload | 833kg | 2655kg |
| Internal length | 3.08m | - |
| Internal width | 1.30m | - |
| Internal bed | - | 4.77m x 2.25m |
Sources: Ifor Williams HB403, Ifor Williams LM167. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB403 if...
- you want one that is 78kg lighter empty
The smallest trailer in the HB horsebox range, bought by owners of a single horse or a couple of ponies who want the lightest legal option that can still be towed by a mid-size car.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the LM167 if...
- you want one that carries 1,822kg more
- you want one that is rated 1.9 tonnes heavier gross
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 HB403 and the Ifor Williams LM167?
The Ifor Williams LM167 carries 1,822kg more and is rated 1.9 tonnes heavier gross. The Ifor Williams HB403 is 78kg lighter empty. The Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer; the Ifor Williams LM167 is a a long, wide flatbed trailer.
Which is lighter, the Ifor Williams HB403 or the Ifor Williams LM167?
The Ifor Williams HB403. It is 78kg lighter empty than the Ifor Williams LM167.
Which carries more, the Ifor Williams HB403 or the Ifor Williams LM167?
The Ifor Williams LM167, by 1,822kg.
Can I tow the Ifor Williams HB403 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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