Portable rack dolly, retrofit kit and methods of use

A portable rack dolly system, comprising:

• a device rack including
• a first post having a top end and a bottom end;
• a second post having a top end and a bottom end;
• a first crossbar attached across the first post and the second post;
• and
• a base attached to the bottom end of the first post and the bottom end of the second post, the base configured to maintain the device rack in a stable upright position;
• a wheel assembly, the wheel assembly including a wheel shaft, a first wheel rotationally coupled to the wheel shaft, and a second wheel rotationally coupled to the wheel shaft, the wheel shaft including a first shaft position and a second shaft position;
• a first bracket configured to be coupled to the device rack on a first side at a first low position, the first bracket including a first open slot configured to cooperate with the first shaft position on the wheel shaft, the first open slot including a first receiving portion configured to receive the wheel shaft at the first shaft position, a first delivery portion configured to deliver the wheel shaft upon tilting the device rack forwards, and a first locking portion configured to secure the wheel shaft upon tilting the device rack backwards;
• and
• a second bracket configured to be coupled to the device rack on a second side at a second low position, the second bracket including a second open slot configured to cooperate with the second shaft position on the wheel shaft, the second open slot including a second receiving portion configured to receive the wheel shaft at the second shaft position, a second delivery portion configured to deliver the wheel shaft upon tilting the device rack forwards, and a second locking portion configured to secure the wheel shaft upon tilting the device rack backwards.