Head to head
Ifor Williams CT136HD vs Ifor Williams HB403
The Ifor Williams CT136HD is rated 1 tonnes heavier gross and is 257kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams CT136HD is rated 1 tonnes heavier gross.
- Unladen weight: the Ifor Williams HB403 weighs 257kg more empty.
- Internal width: the Ifor Williams CT136HD is 54cm (2ft) wider inside.
- Internal length: the Ifor Williams CT136HD is 92cm (3ft) longer inside.
Specifications side by side
| Ifor Williams CT136HD | Ifor Williams HB403 | |
|---|---|---|
| Gross weight | 2,600kg | 1600kg |
| Unladen weight | 510kg | 767kg |
| Internal length | 4.0m | 3.08m |
| Internal width | 1.84m | 1.30m |
| Payload | - | 833kg |
Sources: Ifor Williams CT136HD, Ifor Williams HB403. 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 rated 1 tonnes heavier gross
- you want one that is 257kg lighter empty
- you want one that is 54cm (2ft) wider inside
- you want one that is 92cm (3ft) longer 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
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 CT136HD and the Ifor Williams HB403?
The Ifor Williams CT136HD is rated 1 tonnes heavier gross and is 257kg lighter empty. 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 HB403 is a a compact single-horse or two-pony horsebox trailer.
Which is lighter, the Ifor Williams CT136HD or the Ifor Williams HB403?
The Ifor Williams CT136HD. It is 257kg lighter empty than the Ifor Williams HB403.
Can I tow the Ifor Williams CT136HD 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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