Head to head
Ifor Williams CT136HD vs Ifor Williams HBX506
The Ifor Williams CT136HD is 355kg lighter empty and is 74cm (2.5ft) longer inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HBX506 weighs 355kg more empty.
- Internal length: the Ifor Williams CT136HD is 74cm (2.5ft) longer inside.
- Internal width: the Ifor Williams CT136HD is 17cm wider inside.
Specifications side by side
| Ifor Williams CT136HD | Ifor Williams HBX506 | |
|---|---|---|
| Gross weight | 2,600kg | 2600kg |
| Unladen weight | 510kg | 865kg |
| Internal length | 4.0m | 3.26m |
| Internal width | 1.84m | 1.67m |
| Payload | - | 1735kg |
Sources: Ifor Williams CT136HD, Ifor Williams HBX506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the CT136HD if...
- you want one that is 355kg lighter empty
- you want one that is 74cm (2.5ft) longer inside
- you want one that is 17cm wider inside
The CT136HD suits recovery operators, racers and dealers who need a tougher car transporter than the standard CT136, thanks to its heavy-duty beam axles and multi-leaf suspension. Its 4.0m bed and 2.6 tonne gross weight cover most road cars without the cost of a beavertail trailer.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- Shropshire Trailer Hire - Shrewsbury, Bicton
Buy or hire the HBX506 if...
A mid-size horsebox for owners moving one or two horses who want the updated HBX styling and features rather than the standard HB range trailer.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- East Midlands Trailers - Leicester, Thrussington
- R M Trailer Centre - Middlesbrough, North Ormesby
Common questions
What is the difference between the Ifor Williams CT136HD and the Ifor Williams HBX506?
The Ifor Williams CT136HD is 355kg lighter empty and is 74cm (2.5ft) longer inside. The Ifor Williams CT136HD is a ifor Williams' heavy-duty twin-axle car transporter trailer in the CT136 range, built for moving a single vehicle.; the Ifor Williams HBX506 is a a double horsebox trailer from Ifor Williams' HBX range.
Which is lighter, the Ifor Williams CT136HD or the Ifor Williams HBX506?
The Ifor Williams CT136HD. It is 355kg lighter empty than the Ifor Williams HBX506.
Can I tow the Ifor Williams CT136HD or the Ifor Williams HBX506 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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