Head to head
Bateson PT66 vs Ifor Williams HB511
The Bateson PT66 is rated 800kg heavier gross and is 65kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Bateson PT66 is rated 800kg heavier gross.
- Unladen weight: the Ifor Williams HB511 weighs 65kg more empty.
Specifications side by side
| Bateson PT66 | Ifor Williams HB511 | |
|---|---|---|
| Gross weight | 3500kg | 2,700kg |
| Unladen weight | 935kg | 1,000kg |
| Payload | 2565kg | - |
| Bed size | 5660mm x 2100mm (18' x 7') | - |
| Axles | Triple | - |
| Internal length | - | 3.52m |
| Internal width | - | 1.79m |
| Brakes | - | Braked |
Sources: Bateson PT66, Ifor Williams HB511. 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 rated 800kg heavier gross
- you want one that is 65kg lighter empty
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 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.
Listed by
- Trek-Trailers Suffolk - Bury Saint Edmunds
- R M Trailer Centre - Middlesbrough, North Ormesby
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Horse Trailer Sales - Robertsbridge, Staplecross
- Trek-Trailers Three Counties - Hereford
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Bateson PT66 and the Ifor Williams HB511?
The Bateson PT66 is rated 800kg heavier gross and is 65kg lighter empty. The Bateson PT66 is a triple axle hydraulic tilt platform trailer; the Ifor Williams HB511 is a two-horse trailer, twin axle, wider body.
Which is lighter, the Bateson PT66 or the Ifor Williams HB511?
The Bateson PT66. It is 65kg lighter empty than the Ifor Williams HB511.
Can I tow the Bateson PT66 or the Ifor Williams HB511 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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