| 摘要 |
A self-propelled screening apparatus (10) which comprises: a chassis (11); a pair of endless tracks (12) supporting the chassis (11); a superstructure (13) rotatably mounted on the chassis (11); a prime mover provided in or on the superstructure (13) and arranged to provide motive power to operate the endless tracks (12), said prime mover being rotatable with the superstructure (13); and a screen box (16) mounted on the superstructure (13), also for rotation therewith, said screen box (16) having an input (17) for receiving a supply of bulk material, at least one screen deck for screening the bulk material, and an output for discharging screened material; in which the prime mover and the screen box (16) are arranged on opposite sides of the rotational axis of the superstructure (13), to provide a stable weight distribution.
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