| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a combine harvester capable of advantageously carrying out appropriate travel while changing speed according to working travel or moving travel by an operation surface or the like in the working or moving travel. <P>SOLUTION: This combine harvester is provided with a hydrostatic continuously variable transmission having a hydraulic pump 13 and a hydraulic motor 14. The hydraulic pump 13 is formed into a variable displacement type continuously shiftable to a forward travel transmission condition and a reverse travel transmission condition. The hydraulic motor 14 is formed into a variable displacement type operable to high speed for moving travel, middle speed for standard and low speed for lodging used for reaping grain culms severe in lodging. <P>COPYRIGHT: (C)2009,JPO&INPIT |
