Head to head
Brian James C Transporter vs Ifor Williams HB511
The Ifor Williams HB511 is rated 1.2 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams HB511 is rated 1.2 tonnes heavier gross.
Specifications side by side
| Brian James C Transporter | Ifor Williams HB511 | |
|---|---|---|
| Gross weight | 1,500kg | 2,700kg |
| Load capacity | 1,010kg | - |
| Bed length | 3.20m | - |
| Bed width | 1.80m | - |
| Axles | Single | - |
| Unladen weight | - | 1,000kg |
| Internal length | - | 3.52m |
| Internal width | - | 1.79m |
| Brakes | - | Braked |
Sources: Brian James C Transporter, Ifor Williams HB511. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the C Transporter if...
Brian James's entry-level open car transporter, a single-axle trailer that a family car can tow. Its 1,010kg load capacity suits a small classic car, track-day hatchback or ride-on mower rather than a modern SUV or performance car.
Listed by
- Bicester Trailer Centre - Bicester
Buy or hire the HB511 if...
- you want one that is rated 1.2 tonnes heavier gross
The wider step up from the HB506, for larger horses or owners who want more room in transit. The extra 12cm of internal width and 36cm of length cost 80kg unladen, which is worth checking against your tow vehicle before choosing it over the HB506.
Listed by
- Trek-Trailers Suffolk - Bury Saint Edmunds
- R M Trailer Centre - Middlesbrough, North Ormesby
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Horse Trailer Sales - Robertsbridge, Staplecross
- Trek-Trailers Three Counties - Hereford
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Brian James C Transporter and the Ifor Williams HB511?
The Ifor Williams HB511 is rated 1.2 tonnes heavier gross. The Brian James C Transporter is a single axle open car transporter trailer; the Ifor Williams HB511 is a two-horse trailer, twin axle, wider body.
Can I tow the Brian James C Transporter or the Ifor Williams HB511 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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