| 摘要 |
A control device with a steering control block in which four hydraulic control valves, controllable in pairs by means of a spool valve, together with reversing valves, adjustable by the spool valve, are disposed and are connected with forward and reverse controlling control connectors of a right and a left drive. The spool valve is activated by a steering wheel and a drive lever; the drives are differentially charged in an analog steering sense. The control device is suitable for tracked vehicles.
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