Komatsu pc56-7 rotary motor is located under the central turntable of the machine, under the cab, in the center or on the left. Komatsu PC56-7 rotary motor is located under the cab or at the rear of the machine, near the hydraulic oil tank and motor oil tank. In the case of the rear of the machine, the rotating motor is usually installed under the turntable in the center of the machine, connected with the turntable and used to drive the turntable to rotate. Under the cab, the rotating motor is usually located at the center or left side, connected with the rotating mechanism and used to drive the whole rotating mechanism to rotate.