Bolk Transport B.V. and Universal Transport are recent additions to the roster of companies that have opted for DOLL’s self-steering trailer combinations. Both chose hydraulic lifting adapters on a dolly, giving themselves enough reserve capacity to accommodate the steady increase in rotor blade length and weight that the industry is experiencing. With a dead weight of approximately 7.0 to 7.3 tons (depending on the choice of equipment) and a maximum fifth-wheel load of 30 tons, the dolly has a remaining load capacity of around 23 tons. Working at the other end of the system, the four-axle vario self-steering trailers boast a load capacity of around 32 tons with a total technical weight of 40 tons. Quite simply, these trailer combinations make it easy to plan for an extensive range of rotor blade sizes – even those approaching the 100-metre mark.
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