Head to head
Ifor Williams HBX506 vs Indespension Alumax 10' x 5'7" Plant Trailer
The Indespension Alumax 10' x 5'7" Plant Trailer carries 1,175kg more and is 275kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Payload: the Indespension Alumax 10' x 5'7" Plant Trailer carries 1,175kg more.
- Unladen weight: the Ifor Williams HBX506 weighs 275kg more empty.
- Gross weight: the Indespension Alumax 10' x 5'7" Plant Trailer is rated 900kg heavier gross.
Specifications side by side
| Ifor Williams HBX506 | Indespension Alumax 10' x 5'7" Plant Trailer | |
|---|---|---|
| Gross weight | 2600kg | 3500kg |
| Unladen weight | 865kg | 590kg |
| Payload | 1735kg | 2910kg |
| Internal length | 3.26m | - |
| Internal width | 1.67m | - |
| Internal size | - | 3.05 x 1.70 |
| Bed height | - | 367mm |
Sources: Ifor Williams HBX506, Indespension Alumax 10' x 5'7" Plant Trailer. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HBX506 if...
A mid-size horsebox for owners moving one or two horses who want the updated HBX styling and features rather than the standard HB range trailer.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- East Midlands Trailers - Leicester, Thrussington
- R M Trailer Centre - Middlesbrough, North Ormesby
Buy or hire the Alumax 10' x 5'7" Plant Trailer if...
- you want one that carries 1,175kg more
- you want one that is 275kg lighter empty
- you want one that is rated 900kg heavier gross
A lightweight plant trailer with a low bed and shallow ramp angle, aimed at mini digger hire and contractors who want a high payload from a 3.5 tonne gross weight.
Full Alumax 10' x 5'7" Plant Trailer specifications →Common questions
What is the difference between the Ifor Williams HBX506 and the Indespension Alumax 10' x 5'7" Plant Trailer?
The Indespension Alumax 10' x 5'7" Plant Trailer carries 1,175kg more and is 275kg lighter empty. The Ifor Williams HBX506 is a a double horsebox trailer from Ifor Williams' HBX range; the Indespension Alumax 10' x 5'7" Plant Trailer is a 10 ft x 5 ft 7 in lightweight 3.5 tonne plant trailer.
Which is lighter, the Ifor Williams HBX506 or the Indespension Alumax 10' x 5'7" Plant Trailer?
The Indespension Alumax 10' x 5'7" Plant Trailer. It is 275kg lighter empty than the Ifor Williams HBX506.
Which carries more, the Ifor Williams HBX506 or the Indespension Alumax 10' x 5'7" Plant Trailer?
The Indespension Alumax 10' x 5'7" Plant Trailer, by 1,175kg.
Can I tow the Ifor Williams HBX506 or the Indespension Alumax 10' x 5'7" Plant Trailer 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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