Head to head
Ifor Williams GX105 HD vs Ifor Williams HB403
The Ifor Williams GX105 HD carries 1,977kg more and is rated 1.9 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Ifor Williams GX105 HD carries 1,977kg more.
- Gross weight: the Ifor Williams GX105 HD is rated 1.9 tonnes heavier gross.
- Unladen weight: the Ifor Williams HB403 weighs 77kg more empty.
Specifications side by side
| Ifor Williams GX105 HD | Ifor Williams HB403 | |
|---|---|---|
| Gross weight | 3500kg | 1600kg |
| Unladen weight | 690kg | 767kg |
| Payload | 2810kg | 833kg |
| Internal bed | 3.03m x 1.57m | - |
| Internal length | - | 3.08m |
| Internal width | - | 1.30m |
Sources: Ifor Williams GX105 HD, Ifor Williams HB403. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GX105 HD if...
- you want one that carries 1,977kg more
- you want one that is rated 1.9 tonnes heavier gross
- you want one that is 77kg lighter empty
For plant hire operators moving heavier compact machinery on the same bed footprint as the GX105, where the standard trailer's 2700kg gross weight would leave too little payload.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
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
Common questions
What is the difference between the Ifor Williams GX105 HD and the Ifor Williams HB403?
The Ifor Williams GX105 HD carries 1,977kg more and is rated 1.9 tonnes heavier gross. The Ifor Williams GX105 HD is a a heavy-duty version of the GX105 plant trailer; the Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer.
Which is lighter, the Ifor Williams GX105 HD or the Ifor Williams HB403?
The Ifor Williams GX105 HD. It is 77kg lighter empty than the Ifor Williams HB403.
Which carries more, the Ifor Williams GX105 HD or the Ifor Williams HB403?
The Ifor Williams GX105 HD, by 1,977kg.
Can I tow the Ifor Williams GX105 HD or the Ifor Williams HB403 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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