Head to head
Graham Edwards PL3512 vs Humbaur Steely
The Graham Edwards PL3512 is rated 2,750kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Gross weight: the Graham Edwards PL3512 is rated 2,750kg heavier gross.
Specifications side by side
| Graham Edwards PL3512 | Humbaur Steely | |
|---|---|---|
| Gross weight | 3500KG | 750kg |
| Unladen weight | 755KG | - |
| Length | 12' | - |
| Width | 5'10" | - |
| Axles | TANDEM | - |
| Payload | - | 630kg |
| Inner length | - | 2050mm |
| Inner width | - | 1095mm |
Sources: Graham Edwards PL3512, Humbaur Steely. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the PL3512 if...
- you want one that is rated 2,750kg heavier gross
The longer 3.5 tonne plant trailer in the Graham Edwards range, for contractors and hire firms carrying larger mini excavators and compact plant behind a pickup or van.
Full PL3512 specifications →Buy or hire the Steely if...
The Steely is Humbaur's budget single-axle trailer, built with a hot-dip galvanised chassis as what the manufacturer describes as an entry point into trailer ownership. It suits light garden, construction-site and hobby loads rather than heavier trade use.
Full Steely specifications →Common questions
What is the difference between the Graham Edwards PL3512 and the Humbaur Steely?
The Graham Edwards PL3512 is rated 2,750kg heavier gross. The Graham Edwards PL3512 is a 12 ft x 5 ft 10 in tandem axle 3.5 tonne plant trailer; the Humbaur Steely is a a small, unbraked single-axle flatbed trailer aimed at first-time buyers and light garden/site use..
Can I tow the Graham Edwards PL3512 or the Humbaur Steely 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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