Head to head
Ifor Williams HB403 vs Ifor Williams LM85
The Ifor Williams LM85 carries 2,142kg more and is rated 1.9 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams LM85 carries 2,142kg more.
- Gross weight: the Ifor Williams LM85 is rated 1.9 tonnes heavier gross.
- Unladen weight: the Ifor Williams HB403 weighs 242kg more empty.
Specifications side by side
| Ifor Williams HB403 | Ifor Williams LM85 | |
|---|---|---|
| Gross weight | 1600kg | 3500kg |
| Unladen weight | 767kg | 525kg |
| Payload | 833kg | 2975kg |
| Internal length | 3.08m | - |
| Internal width | 1.30m | - |
| Internal bed | - | 2.44m x 1.52m |
Sources: Ifor Williams HB403, Ifor Williams LM85. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB403 if...
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 LM85 if...
- you want one that carries 2,142kg more
- you want one that is rated 1.9 tonnes heavier gross
- you want one that is 242kg lighter empty
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 HB403 and the Ifor Williams LM85?
The Ifor Williams LM85 carries 2,142kg more and is rated 1.9 tonnes heavier gross. The Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer; the Ifor Williams LM85 is a the shortest flatbed trailer in the LM range.
Which is lighter, the Ifor Williams HB403 or the Ifor Williams LM85?
The Ifor Williams LM85. It is 242kg lighter empty than the Ifor Williams HB403.
Which carries more, the Ifor Williams HB403 or the Ifor Williams LM85?
The Ifor Williams LM85, by 2,142kg.
Can I tow the Ifor Williams HB403 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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