Head to head
Ifor Williams GX84 vs Ifor Williams HB510XL
The Ifor Williams GX84 is 750kg lighter empty. The Ifor Williams HB510XL is rated 800kg heavier gross and carries 50kg more.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB510XL weighs 750kg more empty.
- Gross weight: the Ifor Williams HB510XL is rated 800kg heavier gross.
- Payload: the Ifor Williams HB510XL carries 50kg more.
Specifications side by side
| Ifor Williams GX84 | Ifor Williams HB510XL | |
|---|---|---|
| Gross weight | 2700kg | 3500kg |
| Unladen weight | 540kg | 1290kg |
| Payload | 2160kg | 2210kg |
| Internal bed | 2.45m x 1.27m | - |
| Internal length | - | 4.25m |
| Internal width | - | 1.74m |
Sources: Ifor Williams GX84, Ifor Williams HB510XL. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GX84 if...
- you want one that is 750kg lighter empty
An entry-level plant trailer for landscapers and groundworkers moving a single small excavator or compact roller who do not need the longer beds further up the GX range.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Corwen Trailer Centre - Corwen
Buy or hire the HB510XL if...
- you want one that is rated 800kg heavier gross
- you want one that carries 50kg more
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
- Horse Trailer Sales - Robertsbridge, Staplecross
Common questions
What is the difference between the Ifor Williams GX84 and the Ifor Williams HB510XL?
The Ifor Williams GX84 is 750kg lighter empty. The Ifor Williams HB510XL is rated 800kg heavier gross and carries 50kg more. The Ifor Williams GX84 is a the smallest trailer in the GX plant range; the Ifor Williams HB510XL is a an extra-length double horsebox trailer.
Which is lighter, the Ifor Williams GX84 or the Ifor Williams HB510XL?
The Ifor Williams GX84. It is 750kg lighter empty than the Ifor Williams HB510XL.
Which carries more, the Ifor Williams GX84 or the Ifor Williams HB510XL?
The Ifor Williams HB510XL, by 50kg.
Can I tow the Ifor Williams GX84 or the Ifor Williams HB510XL 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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