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  • More opportunities with flexible modular trailer tanker

    January 2017

    Grønaasen Transport AS in Norway has taken delivery of a versatile trailer tanker that makes it possible to run under two sets of rules. The trailer tanker is built up as three separate units: a front carriage, a dolly with extendible drawbar, and a semitrailer. 

    When the front carriage, dolly and semitrailer are assembled, and the total length is below 19.5 metres, this serves as a normal trailer tanker that achieves a total weight of 50 tonnes in Norway.

    If the dolly is pulled out two metres, the trailer tanker will become a modular trailer tanker. The trailer tanker’s length increases to 19 metres from the first to the last axle, which is required in order to run as a modular trailer tanker, where the total weight is 60 tonnes.

    The flexible trailer tanker makes it possible to combine freight transport in different ways. For example, Grønaasen Transport AS can start as a modular trailer tanker, using the modular road network. When they have unloaded 10 tonnes and retracted the dolly, they can continue as an ordinary trailer tanker. They can now use the ordinary roads and get around Norway more.

    The combination of a front carriage, dolly and semitrailer helps to make Grønaasen Transport AS more effective and competitive towards their customers.


    Bonus info

    • In Norway, it is not possible to carry ADR freight as a modular trailer tanker.
    • In Sweden, trailer tankers can carry up to 60 tonnes of ADR freight.
    • In Denmark, trailer tankers can only run as modular trailer tankers, as the length exceeds 18.75 metres when the trailer tanker is retracted.


    Technical specifications
    Front carriage

    • Tank volume: 15,000 litres
    • Number of compartments: Two (7,500 / 7,500 litres)
    • Insulation: 100 mm mounted with 2-mm fibreglass shell plate
    • Permit: ADR-approved pressure tank with tank code L4BH
    • Cab mounted on right-hand side
    • Compressor mounted directly on the gearbox


    Semi-trailer

    • Tank volume: 29,500 litres
    • Number of compartments: Three (7,500 / 14,500 / 7,500 litres)
    • Insulation: 100 mm mounted with 2-mm fibreglass shell plate
    • Permit: ADR-approved pressure tank with tank code L4BH
    • Two SAF axles with Alcoa Dura Bright rims


    Dolly

    • Make: KONAR type 18,000 kg with two-metre retractable drawbar
    • Delivered by E18 Truckcenter AS Norge