| 摘要 |
Hydraulic apparatus are provided with a right side drive including a first right side hydraulic motor operabe to drive a first wheel and a second right side hydraulic motor operable to drive a second wheel. The first right side hydraulic motor is hydraulically connected in series with the second right side hydraulic motor. In addition, a left side drive is hydraulically connected in parallel with the right side drive. The left side drive includes a first left side hydraulic motor operable to drive a third wheel and a second left side hydraulic motor operable to drive a fourth wheel. The first left side hydraulic motor is hydraulically connected in series with the second left side hydraulic motor. A hydraulic pump is also in fluid communication with the right side drive and the left side drive.
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