| 摘要 |
PROBLEM TO BE SOLVED: To provide a main frame for a construction machine also responding to increase in cab size while ensuring sufficient strength, and a construction machine provided with this. SOLUTION: The main frame 40 of the bulldozer 10 constitutes a skeleton portion of the bulldozer 10, and is provided with a hull frame 41 having a ship bottom shape; a pair of left and right fender frames 42a, 42b mounted to both side surfaces of the hull frame 41 respectively; and extension parts 51, 51b casting-integration-molded so as to be extended in a width direction at upper parts of the fender frames 42a, 42b. COPYRIGHT: (C)2009,JPO&INPIT
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