Head to head
Ifor Williams HB403 vs Ifor Williams Q Range
The Ifor Williams Q Range is 467kg lighter empty. The Ifor Williams HB403 is rated 600kg heavier gross and is 1.13m (3.5ft) longer inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB403 weighs 467kg more empty.
- Gross weight: the Ifor Williams HB403 is rated 600kg heavier gross.
- Internal length: the Ifor Williams HB403 is 1.13m (3.5ft) longer inside.
- Internal width: the Ifor Williams HB403 is 8cm wider inside.
Specifications side by side
| Ifor Williams HB403 | Ifor Williams Q Range | |
|---|---|---|
| Gross weight | 1600kg | 1000kg (braked Q) |
| Unladen weight | 767kg | 300kg (Q6b) |
| Internal length | 3.08m | 1.95m (Q6b) |
| Internal width | 1.30m | 1.22m (Q6b) |
| Payload | 833kg | - |
Sources: Ifor Williams HB403, Ifor Williams Q Range. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HB403 if...
- you want one that is rated 600kg heavier gross
- you want one that is 1.13m (3.5ft) longer inside
- you want one that is 8cm wider inside
The smallest trailer in the HB horsebox range, bought by owners of a single horse or a couple of ponies who want the lightest legal option that can still be towed by a mid-size car.
Listed by
- Horse Trailer Sales - Robertsbridge, Staplecross
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the Q Range if...
- you want one that is 467kg 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 HB403 and the Ifor Williams Q Range?
The Ifor Williams Q Range is 467kg lighter empty. The Ifor Williams HB403 is rated 600kg heavier gross and is 1.13m (3.5ft) longer inside. The Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer; 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 HB403 or the Ifor Williams Q Range?
The Ifor Williams Q Range. It is 467kg lighter empty than the Ifor Williams HB403.
Can I tow the Ifor Williams HB403 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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