4 stations back-part moulding machine: 2 hot stations and 2 cold stations, suitable for any type of upper, especially specified for pre-adhesived counters in leather and alternative leathers or solvents. Moulds created from the customer’s shoe lasts. Inflatable bell-shaped cushion tilting system for improving matching to machine lasts bases on their curvature. Simple and easy setting of inflatable bell-shaped cushion facilitates their positioning on the machine alluminium last. The inflatable bell-shaped cuschions feature and air-vent system which extend the duration of the bell’s leather lining. No need to change cushions when switching from men’s to women’s footwear or boots. Quick changing mould, without any dispersion of cooling liquid. Electronic control with digital temperature display. Moulds turn over on cold stations to allow a clear and wide view of the rear section of the upper and stitching. Pull-down pincers for uppers. Leds displaying progressive phases of the work cycle, with immediate signaling of eventual machine stoppages. Adjustment of gripping area on the upper based on the curvature of the mould. Adjustable support reference pointer in the cold stations to allow a constant tension for the upper on the last, increasing the productivity. Pressing on upper by levers for materials of any thickness. Powerful liquid cooling unit. Mod. 3405/CF complies with accident prevention regulations and industrial health.