Head to head
Ifor Williams HB403 vs Ifor Williams Transporta
The Ifor Williams Transporta is rated 1.9 tonnes heavier gross and is 94cm (3ft) wider inside. The Ifor Williams HB403 is 713kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams Transporta is rated 1.9 tonnes heavier gross.
- Unladen weight: the Ifor Williams Transporta weighs 713kg more empty.
- Internal width: the Ifor Williams Transporta is 94cm (3ft) wider inside.
- Internal length: the Ifor Williams Transporta is 2.14m (7ft) longer inside.
Specifications side by side
| Ifor Williams HB403 | Ifor Williams Transporta | |
|---|---|---|
| Gross weight | 1600kg | 3500kg |
| Unladen weight | 767kg | 1480kg |
| Internal length | 3.08m | 5220mm |
| Internal width | 1.30m | 2236mm |
| Payload | 833kg | - |
| Overall length | - | 6595mm |
Sources: Ifor Williams HB403, Ifor Williams Transporta. 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 713kg 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 Transporta if...
- you want one that is rated 1.9 tonnes heavier gross
- you want one that is 94cm (3ft) wider inside
- you want one that is 2.14m (7ft) longer inside
A car transporter trailer aimed at racers and track day drivers moving a single competition car, sitting within Ifor Williams's wider car transporter range alongside its tiltbed and beavertail designs.
Listed by
- John Page Trailers Ltd - Ashford, Biddenden
Common questions
What is the difference between the Ifor Williams HB403 and the Ifor Williams Transporta?
The Ifor Williams Transporta is rated 1.9 tonnes heavier gross and is 94cm (3ft) wider inside. The Ifor Williams HB403 is 713kg lighter empty. The Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer; the Ifor Williams Transporta is a motorsport car transporter trailer.
Which is lighter, the Ifor Williams HB403 or the Ifor Williams Transporta?
The Ifor Williams HB403. It is 713kg lighter empty than the Ifor Williams Transporta.
Can I tow the Ifor Williams HB403 or the Ifor Williams Transporta 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.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.