Head to head
Ifor Williams GH Plant with DigaDoc vs Ifor Williams HB510XL
The Ifor Williams GH Plant with DigaDoc is 681kg 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 681kg more empty.
- Gross weight: the Ifor Williams HB510XL is rated 800kg heavier gross.
Specifications side by side
| Ifor Williams GH Plant with DigaDoc | Ifor Williams HB510XL | |
|---|---|---|
| Gross weight | 2700kg | 3500kg |
| Unladen weight | 609kg | 1290kg |
| Internal bed | 2.79m x 1.31m | - |
| Payload | - | 2210kg |
| Internal length | - | 4.25m |
| Internal width | - | 1.74m |
Sources: Ifor Williams GH Plant with DigaDoc, Ifor Williams HB510XL. 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 681kg lighter empty
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 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 GH Plant with DigaDoc and the Ifor Williams HB510XL?
The Ifor Williams GH Plant with DigaDoc is 681kg lighter empty. The Ifor Williams HB510XL is rated 800kg 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 HB510XL is a an extra-length double horsebox trailer.
Which is lighter, the Ifor Williams GH Plant with DigaDoc or the Ifor Williams HB510XL?
The Ifor Williams GH Plant with DigaDoc. It is 681kg lighter empty than the Ifor Williams HB510XL.
Can I tow the Ifor Williams GH Plant with DigaDoc 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.
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