Head to head
Ifor Williams HB511 vs Ifor Williams Q Range
The Ifor Williams Q Range is 700kg lighter empty. The Ifor Williams HB511 is rated 1.7 tonnes heavier gross and is 1.57m (5ft) longer inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB511 weighs 700kg more empty.
- Gross weight: the Ifor Williams HB511 is rated 1.7 tonnes heavier gross.
- Internal length: the Ifor Williams HB511 is 1.57m (5ft) longer inside.
- Internal width: the Ifor Williams HB511 is 57cm (2ft) wider inside.
Specifications side by side
| Ifor Williams HB511 | Ifor Williams Q Range | |
|---|---|---|
| Gross weight | 2,700kg | 1000kg (braked Q) |
| Unladen weight | 1,000kg | 300kg (Q6b) |
| Internal length | 3.52m | 1.95m (Q6b) |
| Internal width | 1.79m | 1.22m (Q6b) |
| Brakes | Braked | - |
Sources: Ifor Williams HB511, Ifor Williams Q Range. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB511 if...
- you want one that is rated 1.7 tonnes heavier gross
- you want one that is 1.57m (5ft) longer inside
- you want one that is 57cm (2ft) 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 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
Buy or hire the Q Range if...
- you want one that is 700kg lighter empty
A compact trailer aimed at farm and domestic users who need something smaller and lighter than the General Duty range for routine loads around a smallholding or garden.
Listed by
- John Page Trailers Ltd - Ashford, Biddenden
Common questions
What is the difference between the Ifor Williams HB511 and the Ifor Williams Q Range?
The Ifor Williams Q Range is 700kg lighter empty. The Ifor Williams HB511 is rated 1.7 tonnes heavier gross and is 1.57m (5ft) longer inside. The Ifor Williams HB511 is a two-horse trailer, twin axle, wider body; the Ifor Williams Q Range is a compact general-purpose trailer for agricultural and domestic use, in braked (Q) and unbraked (Unbraked Q) versions.
Which is lighter, the Ifor Williams HB511 or the Ifor Williams Q Range?
The Ifor Williams Q Range. It is 700kg lighter empty than the Ifor Williams HB511.
Can I tow the Ifor Williams HB511 or the Ifor Williams Q Range 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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