Head to head
Bockmann AH 4320/30 vs Stewart GX 15 FT
The Stewart GX 15 FT is rated 12 tonnes heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Stewart GX 15 FT is rated 12 tonnes heavier gross.
Specifications side by side
| Bockmann AH 4320/30 | Stewart GX 15 FT | |
|---|---|---|
| Gross weight | 3,000kg | 15,000kg |
| Payload | 2,123kg | - |
| Interior length | 4,300mm | - |
| Interior width | 2,080mm | - |
| Loading angle | 10 degrees (hydraulic tilt bed) | - |
| Length | - | 7,900-9,700mm (26-32ft) |
| Tare weight | - | 3,980kg |
| Axles | - | 125mm dia., 10-stud, 420x180mm brakes |
| Tyres | - | 385/65Rx22.5 standard, 435/50Rx19.5 flotation option |
Sources: Bockmann AH 4320/30, Stewart GX 15 FT. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the AH 4320/30 if...
A low-angle hydraulic tilt-bed car transporter for loading standard cars without ramps. It suits vehicle traders, recovery firms and enthusiasts moving one car at a time behind a family-sized tow car.
Listed by
- Manningtree Hire & Self Storage - Manningtree, Lawford
Buy or hire the GX 15 FT if...
- you want one that is rated 12 tonnes heavier gross
A 15-tonne flat trailer from Scottish maker Stewart Trailers, built for farms and hire fleets moving bulky loads such as bales or machinery. The choice of standard or flotation tyres lets it be set up for road use or softer ground.
Listed by
- Rising Sun Trailer Hire - York
Common questions
What is the difference between the Bockmann AH 4320/30 and the Stewart GX 15 FT?
The Stewart GX 15 FT is rated 12 tonnes heavier gross. The Bockmann AH 4320/30 is a twin-axle car transporter trailer; the Stewart GX 15 FT is a twin-axle flat trailer for agricultural and general haulage use.
Can I tow the Bockmann AH 4320/30 or the Stewart GX 15 FT on a car licence?
Stewart GX 15 FT is rated over 3,500kg gross, which is beyond what a car can tow in the UK.
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