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Atec OPL-3 – single model: trailer from the Dutch vehicle register, built 2000, 7,490 kg gross weight, 2,780 kg unladen weight, 8.55 m length
The OPL-3 was built in 2000 and registered in the Dutch vehicle register. With a gross weight of 7.49 tonnes, it belongs to the class of medium-heavy tandem-axle trailers, built for commercial goods transport and larger equipment. The tandem axle spreads the load across two axles, allowing a higher gross weight than a single axle would.
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The OPL-3 is rated at 7,490 kg gross weight and 2,780 kg unladen weight, with a length of 8.55 m, a width of 2,450 mm and a wheelbase of 6.6 m. The payload is therefore 4,710 kg, more than one and a half times the trailer's own unladen weight, spread over a load bed of more than 8 metres.
At 7.49 tonnes gross weight, the OPL-3 falls into category O3, above the 3.5-tonne threshold from which an air brake usually replaces the simple overrun brake. A category B car licence is not sufficient to tow a trailer of this weight; a trailer like this is towed by a lorry with a matching coupling and a correspondingly rated towing capacity.
Buying one second-hand, the condition of the axles and wheel bearings, the function of the braking system including lines and linkage, rust on the frame and drawbar, and the condition of lighting and the plug all matter. With the tandem axle, it is also worth checking the load distribution between the axles, the condition of the axle suspension, and even tyre wear across both axles.
Sources: SpecCodex-Register: Kennwerte des Modells OPL-3
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Trailer in 3D section
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