Head to head
Ifor Williams GH Plant with DigaDoc vs Ifor Williams HB403
The Ifor Williams GH Plant with DigaDoc is rated 1.1 tonnes heavier gross and is 158kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Ifor Williams GH Plant with DigaDoc is rated 1.1 tonnes heavier gross.
- Unladen weight: the Ifor Williams HB403 weighs 158kg more empty.
Specifications side by side
| Ifor Williams GH Plant with DigaDoc | Ifor Williams HB403 | |
|---|---|---|
| Gross weight | 2700kg | 1600kg |
| Unladen weight | 609kg | 767kg |
| Internal bed | 2.79m x 1.31m | - |
| Payload | - | 833kg |
| Internal length | - | 3.08m |
| Internal width | - | 1.30m |
Sources: Ifor Williams GH Plant with DigaDoc, Ifor Williams HB403. 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 rated 1.1 tonnes heavier gross
- you want one that is 158kg 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 HB403 if...
The smallest trailer in the HB horsebox range, bought by owners of a single horse or a couple of ponies who want the lightest legal option that can still be towed by a mid-size car.
Listed by
- 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 HB403?
The Ifor Williams GH Plant with DigaDoc is rated 1.1 tonnes heavier gross and is 158kg lighter empty. The Ifor Williams GH Plant with DigaDoc is a a plant trailer fitted with the manufacturer's DigaDoc load-tracking system; the Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer.
Which is lighter, the Ifor Williams GH Plant with DigaDoc or the Ifor Williams HB403?
The Ifor Williams GH Plant with DigaDoc. It is 158kg lighter empty than the Ifor Williams HB403.
Can I tow the Ifor Williams GH Plant with DigaDoc or the Ifor Williams HB403 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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