Head to head
Ifor Williams GD105 vs Ifor Williams HB506
The Ifor Williams GD105 is 335kg lighter empty and is rated 100kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB506 weighs 335kg more empty.
- Gross weight: the Ifor Williams GD105 is rated 100kg heavier gross.
Specifications side by side
| Ifor Williams GD105 | Ifor Williams HB506 | |
|---|---|---|
| Gross weight | 2,700kg | 2,600kg |
| Unladen weight | 585kg | 920kg |
| Brakes | Braked | Braked |
| Internal bed | 3.11m x 1.58m (10ft 2in x 5ft 2in) | - |
| Internal length | - | 3.16m |
| Internal width | - | 1.67m |
Sources: Ifor Williams GD105, Ifor Williams HB506. 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 335kg lighter empty
- you want one that is rated 100kg heavier gross
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 HB506 if...
The mainstream two-horse trailer in Britain, used by private owners and small yards. Its comparatively low unladen weight for the class is the practical point: it widens the range of 4x4s and large SUVs that can legally and comfortably tow it.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- Horse Trailer Sales - Robertsbridge, Staplecross
- R M Trailer Centre - Middlesbrough, North Ormesby
Common questions
What is the difference between the Ifor Williams GD105 and the Ifor Williams HB506?
The Ifor Williams GD105 is 335kg lighter empty and is rated 100kg heavier gross. The Ifor Williams GD105 is a general duty box trailer, twin axle, longer bed; the Ifor Williams HB506 is a two-horse trailer, twin axle.
Which is lighter, the Ifor Williams GD105 or the Ifor Williams HB506?
The Ifor Williams GD105. It is 335kg lighter empty than the Ifor Williams HB506.
Can I tow the Ifor Williams GD105 or the Ifor Williams HB506 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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