<；P>；PROBLEM TO BE SOLVED: To provide a gas engine type having a cover member for integrally protecting the connecting part periphery of a cylinder installing part. <；P>；SOLUTION: The cylinder installing part 20 for installing a gas cylinder is installed in the machine body horizontal direction of a gas engine 9 above a front part of the gas engine 9, a fuel pipe is installed on the machine body right side end of the cylinder installing part 20, and a connecting part having a fuel cock 23 is arranged for turning on/off the supply of fuel gas to the fuel pipe. A throttle wire is arranged under the fuel pipe, and these throttle wire, fuel pipe and fuel cock 23 are integrally covered with a side cover 32. <；P>；COPYRIGHT: (C)2011,JPO&INPIT
