Head to head
Bateson PT66 vs Ifor Williams TT3621
The Bateson PT66 is 55kg lighter empty and carries 55kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams TT3621 weighs 55kg more empty.
- Payload: the Bateson PT66 carries 55kg more.
Specifications side by side
| Bateson PT66 | Ifor Williams TT3621 | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Unladen weight | 935kg | 990kg (195/60R12C tyres) or 1000kg (185/70R13C tyres) |
| Payload | 2565kg | 2510kg (195/60R12C) or 2500kg (185/70R13C) |
| Bed size | 5660mm x 2100mm (18' x 7') | - |
| Axles | Triple | - |
| Internal length | - | 3.62m / 11'9" |
| Internal width | - | 1.95m / 6'5" |
Sources: Bateson PT66, Ifor Williams TT3621. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the PT66 if...
- you want one that is 55kg lighter empty
- you want one that carries 55kg more
Bateson's largest hydraulic tilt trailer with triple hinged steel sides, used to move light commercial vehicles, plant and ground maintenance machinery. Its hydraulic tilt bed lets one person load without ramps.
Listed by
- Warrior Trailers Limited - Worcester
Buy or hire the TT3621 if...
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
- Lancaster trailer hire - ELY
Common questions
What is the difference between the Bateson PT66 and the Ifor Williams TT3621?
The Bateson PT66 is 55kg lighter empty and carries 55kg more. The Bateson PT66 is a triple axle hydraulic tilt platform trailer; the Ifor Williams TT3621 is a twin axle tipping trailer, 12ft body, electric tipping.
Which is lighter, the Bateson PT66 or the Ifor Williams TT3621?
The Bateson PT66. It is 55kg lighter empty than the Ifor Williams TT3621.
Which carries more, the Bateson PT66 or the Ifor Williams TT3621?
The Bateson PT66, by 55kg.
Can I tow the Bateson PT66 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.
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