CONSTRUCTION MACHINE

摘要

PROBLEM TO BE SOLVED: To provide a construction machine that simplifies starting operation of an engine.SOLUTION: A hydraulic shovel 1 includes a wireless authentication device 42 that performs wireless authentication with a portable key 41, and a vehicle body controller 39 that permits or prohibits starting of an engine 15 on the basis of authentication by the wireless authentication device 42 and an operation by a power switch 12. The wireless authentication device 42 performs authentication when an authentication ID code is received, the authentication ID code having been returned by the portable key 41 in response to a request signal sent by the wireless authentication device in a possible range for authentication. The vehicle body controller 39 permits starting of the engine 15 by the power switch 12 when a lock lever 13 is switched to a lock position and the wireless authentication device 42 performs authentication with the portable key 41.SELECTED DRAWING: Figure 3