Head to head
Ifor Williams HBE506 vs Stewart GX16-21 L
The Ifor Williams HBE506 is 4,725kg lighter empty.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Stewart GX16-21 L weighs 4,725kg more empty.
Specifications side by side
| Ifor Williams HBE506 | Stewart GX16-21 L | |
|---|---|---|
| Unladen weight | 775kg | 5,500kg |
| Gross weight | 2000kg | - |
| Payload | 1225kg | - |
| Internal length | 3.26m | - |
| Internal width | 1.67m | - |
| Carrying capacity | - | 16,000kg |
| Cubic capacity | - | grain 21m3, silage 37m3 |
| Body | - | 6700 x 2450 x 1370mm |
Sources: Ifor Williams HBE506, Stewart GX16-21 L. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HBE506 if...
- you want one that is 4,725kg lighter empty
Aimed at owners who want HB506-sized space for two horses or ponies but need a lower gross weight to stay within a smaller car's towing limit.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Buy or hire the GX16-21 L if...
A large bulk trailer used to cart grain and root crops at harvest, with an easy sheet system to cover the load without climbing on top. Farmers hire extra units like this at harvest to move crop faster than their own trailers allow.
Listed by
- Rising Sun Trailer Hire - York
Common questions
What is the difference between the Ifor Williams HBE506 and the Stewart GX16-21 L?
The Ifor Williams HBE506 is 4,725kg lighter empty. The Ifor Williams HBE506 is a a lighter-weight version of the HB506 double horsebox; the Stewart GX16-21 L is a bulk agricultural trailer with easy sheet cover.
Which is lighter, the Ifor Williams HBE506 or the Stewart GX16-21 L?
The Ifor Williams HBE506. It is 4,725kg lighter empty than the Stewart GX16-21 L.
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