Overview of the Toyota Production System
Overproduction Producing more than the customer demands.
Waiting Waiting for material, information, equipment, tools, etc.
Transportation Material should be delivered to its point of use. Should use the concept of point-of-use-storage
(POUS).
Non-Value-Added-Processing Reworking ,re-inspecting etc..
Excess Inventory Related to Overproduction, inventory beyond that needed to meet customer demands.
Defects Production defects and service errors waste resources.
Excess Motion Unnecessary motion is caused by poor workflow, poor layout, housekeeping, and
inconsistent or undocumented work methods.
Underutilized People This includes underutilization of mental, creative, and physical skills and abilities of Individuals.






