Product Description. 30t Motorised Handling Trolley for Aluminium Coil Transport is one of our common and mature product, which is customized as per customers' true demand. Such as power supply, operation system, control system, track or no track, steerable, wheelstype, cart frame structure and so on, and then provide proper solution to you. 30t Motorised Handling Trolley for Aluminium Coil Transport is powered by the 36V single-phase (three phase) , which through sliding wire to complete.