Model against model
Ifor Williams CT136HD vs Ifor Williams HB511
Two models people put on the same shortlist. Every figure below is sourced, and where one side has a specification the other does not publish, the row is left out rather than filled with a guess.
Last reviewed 13 September 2026
| Ifor Williams CT136HD | Ifor Williams HB511 | |
|---|---|---|
| Gross weight | 2,600kg | 2,700kg |
| Unladen weight | 510kg | 1,000kg |
| Internal length | 4.0m | 3.52m |
| Internal width | 1.84m | 1.79m |
Only specifications published for both models appear here. Full Ifor Williams CT136HD figures and full Ifor Williams HB511 figures.
Choose the CT136HD if...
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.
Full specifications →Choose the HB511 if...
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.
Full specifications →Common questions
What is the difference between the Ifor Williams CT136HD and the Ifor Williams HB511?
Ifor Williams CT136HD: 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. Ifor Williams HB511: 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.
Are these figures reliable?
Every figure on this page was read off a manufacturer or established dealer page and is linked to its source. Anything we could not verify is left out rather than estimated. Specifications change by model year and configuration, so confirm with the supplier before relying on them.
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