Head to head
Ifor Williams GH94BT vs Ifor Williams HB506
The Ifor Williams GH94BT is 390kg lighter empty and is rated 100kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB506 weighs 390kg more empty.
- Gross weight: the Ifor Williams GH94BT is rated 100kg heavier gross.
Specifications side by side
| Ifor Williams GH94BT | Ifor Williams HB506 | |
|---|---|---|
| Gross weight | 2700kg | 2,600kg |
| Unladen weight | 530kg | 920kg |
| Payload | 2170kg | - |
| Internal bed | 2.79m x 1.31m | - |
| Internal length | - | 3.16m |
| Internal width | - | 1.67m |
| Brakes | - | Braked |
Sources: Ifor Williams GH94BT, Ifor Williams HB506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GH94BT if...
- you want one that is 390kg lighter empty
- you want one that is rated 100kg heavier gross
Chosen over the standard GH94 by operators who want the heavier-duty BT chassis and tyres for regular loaded towing rather than occasional use, at the cost of a little unladen weight and payload.
Listed by
- 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
- R M Trailer Centre - Middlesbrough, North Ormesby
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Horse Trailer Sales - Robertsbridge, Staplecross
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Ifor Williams GH94BT and the Ifor Williams HB506?
The Ifor Williams GH94BT is 390kg lighter empty and is rated 100kg heavier gross. The Ifor Williams GH94BT is a a braked-tandem version of the GH94 plant trailer; the Ifor Williams HB506 is a two-horse trailer, twin axle.
Which is lighter, the Ifor Williams GH94BT or the Ifor Williams HB506?
The Ifor Williams GH94BT. It is 390kg lighter empty than the Ifor Williams HB506.
Can I tow the Ifor Williams GH94BT 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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