Head to head
Ifor Williams CT136HD vs Ifor Williams TT3621
The Ifor Williams CT136HD is 480kg lighter empty and is 38cm (1ft) longer inside. The Ifor Williams TT3621 is rated 900kg heavier gross and is 11cm wider inside.
Last reviewed 13 September 2026

Key differences
- Unladen weight: the Ifor Williams TT3621 weighs 480kg more empty.
- Gross weight: the Ifor Williams TT3621 is rated 900kg heavier gross.
- Internal length: the Ifor Williams CT136HD is 38cm (1ft) longer inside.
- Internal width: the Ifor Williams TT3621 is 11cm wider inside.
Specifications side by side
| Ifor Williams CT136HD | Ifor Williams TT3621 | |
|---|---|---|
| Gross weight | 2,600kg | 3500kg |
| Unladen weight | 510kg | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) |
| Internal length | 4.0m | 3.62m / 11'9" |
| Internal width | 1.84m | 1.95m / 6'5" |
| Payload | - | 2510kg (195/60R12C) or 2500kg (185/70R13C) |
Sources: Ifor Williams CT136HD, Ifor Williams TT3621. 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 480kg lighter empty
- you want one that is 38cm (1ft) 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 TT3621 if...
- you want one that is rated 900kg heavier gross
- you want one that is 11cm wider inside
The largest Ifor Williams tipper. A 3.6m by 1.95m body is chosen for bulky, lighter loads - green waste, clearance and bark - where volume runs out before weight does, and it is a staple of plant and tool hire fleets. Formerly sold as the TT126.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Ifor Williams CT136HD and the Ifor Williams TT3621?
The Ifor Williams CT136HD is 480kg lighter empty and is 38cm (1ft) longer inside. The Ifor Williams TT3621 is rated 900kg heavier gross and is 11cm wider 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 TT3621 is a twin axle tipping trailer, 12ft body, electric tipping.
Which is lighter, the Ifor Williams CT136HD or the Ifor Williams TT3621?
The Ifor Williams CT136HD. It is 480kg lighter empty than the Ifor Williams TT3621.
Can I tow the Ifor Williams CT136HD or the Ifor Williams TT3621 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.
