What year is this enginer number 6D22-122280 of TL200 tadano crane?

The engine number 6D22-122280 of a TL200 Tadano crane indicates that it is likely from a model that uses the 6D22 engine, which was commonly produced by Mitsubishi in the early 2000s. To determine the exact year of the crane, you would typically need to refer to the crane's serial number or production records, as the engine number alone does not provide a specific year. Generally, these cranes were manufactured around the early to mid-2000s.