Head to head
Brian James General Plant vs Ifor Williams HB403
The Brian James General Plant carries 1,760kg more and is rated 1.9 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Payload: the Brian James General Plant carries 1,760kg more.
- Gross weight: the Brian James General Plant is rated 1.9 tonnes heavier gross.
Specifications side by side
| Brian James General Plant | Ifor Williams HB403 | |
|---|---|---|
| Gross weight | 3500kg | 1600kg |
| Payload | 2593kg | 833kg |
| Internal bed | 3.6m x 1.8m | - |
| Axles | Tri-axle (12in wheels) | - |
| Unladen weight | - | 767kg |
| Internal length | - | 3.08m |
| Internal width | - | 1.30m |
Sources: Brian James General Plant, Ifor Williams HB403. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the General Plant if...
- you want one that carries 1,760kg more
- you want one that is rated 1.9 tonnes heavier gross
A tougher all-round plant trailer for contractors who need to move a range of machines - diggers, dumpers, rollers - rather than one specific type. The tri-axle chassis spreads load for towing at higher gross weight on public roads.
Listed by
- Fieldfare Trailer Centre - Salisbury
- Bicester Trailer Centre - Bicester
- Formula Trailers,, Brian-James Trailers Main Dealer in the SW UK - Wellington, Poole
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 Brian James General Plant and the Ifor Williams HB403?
The Brian James General Plant carries 1,760kg more and is rated 1.9 tonnes heavier gross. The Brian James General Plant is a a tri-axle equipment trailer for general building and groundwork plant; the Ifor Williams HB403 is a a compact single-horse or two-pony horsebox trailer.
Which carries more, the Brian James General Plant or the Ifor Williams HB403?
The Brian James General Plant, by 1,760kg.
Can I tow the Brian James General Plant 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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