Head to head
Ifor Williams GP126 vs Ifor Williams HB506
The Ifor Williams GP126 is rated 900kg heavier gross and is 140kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams GP126 is rated 900kg heavier gross.
- Unladen weight: the Ifor Williams HB506 weighs 140kg more empty.
- Internal length: the Ifor Williams GP126 is 50cm (1.5ft) longer inside.
- Internal width: the Ifor Williams GP126 is 11cm wider inside.
Specifications side by side
| Ifor Williams GP126 | Ifor Williams HB506 | |
|---|---|---|
| Gross weight | 3500kg | 2,600kg |
| Unladen weight | 780kg (skids) or 795kg (ramp) | 920kg |
| Internal length | 3.66m/12' | 3.16m |
| Internal width | 1.78m/5'10" | 1.67m |
| Brakes | - | Braked |
Sources: Ifor Williams GP126, Ifor Williams HB506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GP126 if...
- you want one that is rated 900kg heavier gross
- you want one that is 140kg lighter empty
- you want one that is 50cm (1.5ft) longer inside
- you want one that is 11cm wider inside
A twin-axle general purpose trailer from Ifor Williams's plant range, used to carry mini diggers, dumpers and other small plant, or general building materials. Available with loading ramps or skids.
Listed by
- East Midlands Trailers - Leicester, Thrussington
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 GP126 and the Ifor Williams HB506?
The Ifor Williams GP126 is rated 900kg heavier gross and is 140kg lighter empty. The Ifor Williams GP126 is a general purpose plant trailer; the Ifor Williams HB506 is a two-horse trailer, twin axle.
Which is lighter, the Ifor Williams GP126 or the Ifor Williams HB506?
The Ifor Williams GP126. It is 140kg lighter empty than the Ifor Williams HB506.
Can I tow the Ifor Williams GP126 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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