- Nankai Electric Railway connects areas from Namba in Osaka to Wakayama, Koyasan, and Kansai International Airport.
- It was founded in December 1885, making it the oldest private railway company in Japan.
- The 6000 series was produced between 1962 and 1969 to enhance transportation capacity on the Nankai Koya Line, with a total of 72 vehicles manufactured.
- This series was the first to feature all-stainless steel bodies at Nankai Electric Railway.
- After undergoing modifications like air conditioning upgrades, bogie replacements, and partial body updates, the series continues to operate into 2024 with reduced numbers.
- In September 2023, six cars, including the 6001 formation, were reverted to an unpainted stainless steel look to evoke the nostalgia of their original appearance.
Train can be motorized to an N scale train and is compatible with TM-08R Motorized Chassis, TT-04R Trailer Conversion Kit and Tomix 0258 Pantograph.