Head to head
Brian James Digger Plant vs Ifor Williams HB510XL
The Brian James Digger Plant is a a twin-axle plant trailer built for carrying a mini excavator or similar machine. The Ifor Williams HB510XL is a an extra-length double horsebox trailer.
Last reviewed 13 September 2026
Specifications side by side
| Brian James Digger Plant | Ifor Williams HB510XL | |
|---|---|---|
| Gross weight | 3500kg | 3500kg |
| Internal bed | 3.2m x 1.7m | - |
| Axles | Twin (12in wheels) | - |
| Unladen weight | - | 1290kg |
| Payload | - | 2210kg |
| Internal length | - | 4.25m |
| Internal width | - | 1.74m |
Sources: Brian James Digger Plant, Ifor Williams HB510XL. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Digger Plant if...
Used by groundworkers and plant hire firms to move a mini digger between sites behind a pickup or 4x4. Its bed size and gross weight target machines around the 3 to 3.5 tonne mark rather than heavier plant.
Listed by
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
Buy or hire the HB510XL if...
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 Brian James Digger Plant and the Ifor Williams HB510XL?
The Brian James Digger Plant is a a twin-axle plant trailer built for carrying a mini excavator or similar machine; the Ifor Williams HB510XL is a an extra-length double horsebox trailer.
Can I tow the Brian James Digger Plant 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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