GetBrent

Head to head

Ifor Williams HB510XL vs Stewart GX14-19 S

The Ifor Williams HB510XL is 3,660kg lighter empty.

Last reviewed 13 September 2026

Ifor Williams HB510XL
Ifor Williams HB510XL - image: Universal Trailers
Stewart GX14-19 S
Stewart GX14-19 S - image: Rising Sun Trailer Hire

Key differences

Specifications side by side

Ifor Williams HB510XLStewart GX14-19 S
Unladen weight1290kg4950kg
Gross weight3500kg-
Payload2210kg-
Internal length4.25m-
Internal width1.74m-
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 HB510XL, Stewart GX14-19 S. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the HB510XL if...

  • you want one that is 3,660kg lighter empty

For owners of taller or longer horses who find the standard HB511 too tight, giving extra internal length on the same 3500kg chassis so it stays towable by a suitably rated 4x4.

Listed by

Full HB510XL specifications →

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

Full GX14-19 S specifications →

Common questions

What is the difference between the Ifor Williams HB510XL and the Stewart GX14-19 S?

The Ifor Williams HB510XL is 3,660kg lighter empty. The Ifor Williams HB510XL is a an extra-length double horsebox trailer; the Stewart GX14-19 S is a 14 to 19 tonne tipping trailer with easy sheet.

Which is lighter, the Ifor Williams HB510XL or the Stewart GX14-19 S?

The Ifor Williams HB510XL. It is 3,660kg lighter empty than the Stewart GX14-19 S.

GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.