| 摘要 |
An earth compactor is propelled by a hydraulic circuit that includes a first hydraulic motor (36) to drive a drum member (15) and a second hydraulic motor (32) to drive a tractor member mounted on tires (7), with a traction control system that includes a motor speed sensing device (44, 46) on each hydraulic motor (36, 32). The speed sensing devices (44, 46) transmit electrical signals to a microcontroller (42), which compares the speeds and varies the speed of the tires (7) or drum (15) to maintain a preselected ratio between the two, thereby maintaining traction of both members.
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