The mixing machine is a motorized cement mixer that designed to mix cement in batches of less than 1 cubic foot. The mixing machine comprises a mixing bucket, a paddle insert, a motor, a drive system, a housing, and a control system. The mixing bucket is used to contain the cement or concrete mixture. The paddle insert is an insert designed to go into the mixing bucket. The paddle insert further comprises a plurality of paddles that are used to agitate the concrete mixture to insure efficient mixing. The motor and drive system are used to rotate the mixing bucket to efficiently mix the concrete mixture, and to prevent the concrete mixture from setting in the mixing bucket. The mixing machine comprises a mixing bucket, a paddle insert, a motor, a drive system, a housing, and a control system.