ENGINE GENERATOR

Provided is an engine generator in which the operation panel is easily accessible. An engine generator 1 is configured such that a generator 2 and an engine 3 which drives the generator 2 are received within a casing 4. A panel 7 having a predetermined size is removably provided to each side surface of the casing 4. An operation board 10 for the engine generator 1 can be installed instead of an arbitrarily selected one of the plurality of panels 7.