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2 models in this series
Polyma SA0603005I65S: EU category O3 trailer rated at 9,000 kg gross weight, 4,300 mm wheelbase, 2,200 mm width and 8,630 kg unladen weight
With a gross weight rating of 9,000 kg, the Polyma SA0603005I65S sits in EU trailer category O3, the 3.5 to 10 tonne bracket in which trailers already carry compressed-air brakes rather than a simple overrun brake. The classification into this vehicle category follows the EU type-approval regulation (EU) 2018/858.
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A wheelbase of 4,300 mm spans two clearly separated axle groups, while a width of 2,200 mm stays narrow for this weight class. Against an unladen weight of 8,630 kg, the payload comes to only 370 kg, pointing to a heavy, self-supporting structure rather than generous extra capacity. That leaves roughly 4 per cent of the gross weight rating available as payload.
A trailer this narrow, this heavy and with such a long wheelbase suits loads with a low centre of gravity or working equipment rather than bulk cargo. Towing it calls for at least licence category C1E or CE on the driver's side, depending on the combination's gross weight. The tyres and wheels fitted must be rated for the approved top speed and the registered axle load. Registration also depends on a valid approval certificate matching exactly the values stated here.
Buying one used, it is worth checking the chassis for twist along its full length, the condition of the brake lines running between the widely spaced axles, play in the axle bearings, and corrosion at the points where the axles attach to the chassis. The narrow track also calls for a close look for uneven tyre wear. A complete inspection and service record makes judging the trailer's condition considerably easier.
Sources: SpecCodex-Register: Kennwerte des Modells Polyma SA0603005I65S
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