Diesel-electric locomotive series 770 (ex. T669.0). The model is equiped by the motor with balance wheel, the switchable lighting red/white (according to the direction). The locomotive has plug connector Next18. 

The original loco T669 was produced in the factory ČKD Praha 1967 and 1969 as modification from USSR export type CME3. the locomotives were delivered in 100pcs and 220 pcs of little modifies 771 type. The locomotives was used for the transport and shunt freight trains by. Used also by private operators. Exportet as typ CME3 (USSR) and S200 (polish)