Head to head
Ifor Williams HB511 vs Stewart GX14-19 S
The Ifor Williams HB511 is 3,950kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Stewart GX14-19 S weighs 3,950kg more empty.
Specifications side by side
| Ifor Williams HB511 | Stewart GX14-19 S | |
|---|---|---|
| Unladen weight | 1,000kg | 4950kg |
| Gross weight | 2,700kg | - |
| Internal length | 3.52m | - |
| Internal width | 1.79m | - |
| Brakes | Braked | - |
| Carrying capacity | - | 14,000kg |
| Cubic capacity | - | grain 19m3, silage 33 m3 |
| Body | - | 6100 x 2450 x 1370mm (GX 14 19 S) |
| Tipped height | - | 6300mm |
Sources: Ifor Williams HB511, Stewart GX14-19 S. 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 3,950kg lighter empty
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 GX14-19 S if...
A large tipping trailer in Stewart's GX range, sized for muck-away and aggregate work in the 14-19 tonne bracket, fitted with an easy sheet system to cover loads without climbing on the trailer.
Listed by
- Rising Sun Trailer Hire - York
Common questions
What is the difference between the Ifor Williams HB511 and the Stewart GX14-19 S?
The Ifor Williams HB511 is 3,950kg lighter empty. The Ifor Williams HB511 is a two-horse trailer, twin axle, wider body; the Stewart GX14-19 S is a 14 to 19 tonne tipping trailer with easy sheet.
Which is lighter, the Ifor Williams HB511 or the Stewart GX14-19 S?
The Ifor Williams HB511. It is 3,950kg lighter empty than the Stewart GX14-19 S.
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