Head to head
Ifor Williams GH Plant with DigaDoc vs Ifor Williams HB506
The Ifor Williams GH Plant with DigaDoc is 311kg lighter empty and is rated 100kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB506 weighs 311kg more empty.
- Gross weight: the Ifor Williams GH Plant with DigaDoc is rated 100kg heavier gross.
Specifications side by side
| Ifor Williams GH Plant with DigaDoc | Ifor Williams HB506 | |
|---|---|---|
| Gross weight | 2700kg | 2,600kg |
| Unladen weight | 609kg | 920kg |
| Internal bed | 2.79m x 1.31m | - |
| Internal length | - | 3.16m |
| Internal width | - | 1.67m |
| Brakes | - | Braked |
Sources: Ifor Williams GH Plant with DigaDoc, Ifor Williams HB506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GH Plant with DigaDoc if...
- you want one that is 311kg lighter empty
- you want one that is rated 100kg heavier gross
Bought by plant hire and groundworks firms that need to prove what left the yard and where it went, since DigaDoc records load movements electronically on top of the standard GH plant trailer chassis. It is the same GH94 base trailer as the plain GH94, with the tracking hardware added.
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 GH Plant with DigaDoc and the Ifor Williams HB506?
The Ifor Williams GH Plant with DigaDoc is 311kg lighter empty and is rated 100kg heavier gross. The Ifor Williams GH Plant with DigaDoc is a a plant trailer fitted with the manufacturer's DigaDoc load-tracking system; the Ifor Williams HB506 is a two-horse trailer, twin axle.
Which is lighter, the Ifor Williams GH Plant with DigaDoc or the Ifor Williams HB506?
The Ifor Williams GH Plant with DigaDoc. It is 311kg lighter empty than the Ifor Williams HB506.
Can I tow the Ifor Williams GH Plant with DigaDoc 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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