Head to head
Ifor Williams GD105 vs Ifor Williams HB510XL
The Ifor Williams GD105 is 705kg lighter empty. The Ifor Williams HB510XL is rated 800kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB510XL weighs 705kg more empty.
- Gross weight: the Ifor Williams HB510XL is rated 800kg heavier gross.
Specifications side by side
| Ifor Williams GD105 | Ifor Williams HB510XL | |
|---|---|---|
| Gross weight | 2,700kg | 3500kg |
| Unladen weight | 585kg | 1290kg |
| Internal bed | 3.11m x 1.58m (10ft 2in x 5ft 2in) | - |
| Brakes | Braked | - |
| Payload | - | 2210kg |
| Internal length | - | 4.25m |
| Internal width | - | 1.74m |
Sources: Ifor Williams GD105, Ifor Williams HB510XL. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GD105 if...
- you want one that is 705kg lighter empty
The same market as the GD85 with about 60cm more bed length, which is the difference between fitting a load and not. Landscapers and anyone moving long materials or a quad choose it for the length rather than the payload, which is unchanged.
Listed by
- Blendworth Trailers - Rowland's Castle
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the HB510XL if...
- you want one that is rated 800kg heavier gross
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 GD105 and the Ifor Williams HB510XL?
The Ifor Williams GD105 is 705kg lighter empty. The Ifor Williams HB510XL is rated 800kg heavier gross. The Ifor Williams GD105 is a general duty box trailer, twin axle, longer bed; the Ifor Williams HB510XL is a an extra-length double horsebox trailer.
Which is lighter, the Ifor Williams GD105 or the Ifor Williams HB510XL?
The Ifor Williams GD105. It is 705kg lighter empty than the Ifor Williams HB510XL.
Can I tow the Ifor Williams GD105 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.
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.