Head to head
Erde 122 vs Ifor Williams HB511
The Erde 122 is 935kg lighter empty. The Ifor Williams HB511 is 2.32m (7.5ft) longer inside and is 87cm (3ft) wider inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB511 weighs 935kg more empty.
- Internal length: the Ifor Williams HB511 is 2.32m (7.5ft) longer inside.
- Internal width: the Ifor Williams HB511 is 87cm (3ft) wider inside.
Specifications side by side
| Erde 122 | Ifor Williams HB511 | |
|---|---|---|
| Unladen weight | 65kg | 1,000kg |
| Internal length | 120cm | 3.52m |
| Internal width | 92cm | 1.79m |
| Payload | 337kg | - |
| Internal height | 35cm | - |
| Gross weight | - | 2,700kg |
| Brakes | - | Braked |
Sources: Erde 122, Ifor Williams HB511. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 122 if...
- you want one that is 935kg lighter empty
Erde's smallest general purpose trailer, bought by owners of small cars who want an occasional-use trailer for camping gear or light DIY loads.
Listed by
- Towy Trailer Centre - Llandeilo, Ffairfach
- Trailer Centre - Rowley Regis
Buy or hire the HB511 if...
- you want one that is 2.32m (7.5ft) longer inside
- you want one that is 87cm (3ft) wider inside
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 Lincolnshire - Doncaster, Belton
- 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
Common questions
What is the difference between the Erde 122 and the Ifor Williams HB511?
The Erde 122 is 935kg lighter empty. The Ifor Williams HB511 is 2.32m (7.5ft) longer inside and is 87cm (3ft) wider inside. The Erde 122 is a a small unbraked single-axle camping and leisure trailer.; the Ifor Williams HB511 is a two-horse trailer, twin axle, wider body.
Which is lighter, the Erde 122 or the Ifor Williams HB511?
The Erde 122. It is 935kg lighter empty than the Ifor Williams HB511.
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