Automated dolly assemblies

Disclosed is an automated dolly assembly that includes a body including a frame and a top surface, a sync arm and a support arm connected to the body, and at least one switch disposed on the body to control movement of the support arm. The sync arm is capable of movement between a first position and a second position, and when the sync arm is in the first position, the sync arm is free from contact with a portion of a workpart carrier traveling along a rail of an overhead conveyor. When the sync arm is in the second position, the sync arm contacts a portion of the workpart carrier. The support arm is also capable of movement between a first position and a second position, and when the support arm is in the first position, the support arm is free from contact with a portion of the workpart carrier. When the support arm is in the second position, the support arm contacts a portion of the workpart carrier.