The Nautilus Hyosung CDU20 is a standard 1,000-note cash dispensing unit (CDU) used in various retail ATM models. It is widely recognized for its reliability and is frequently available as a refurbished part for maintaining older ATM fleets.

Key Specifications & Features
Part Number (MPN): 7010000179.
Capacity: Single cassette module capable of holding approximately 1,000 notes.
Compatibility: While primarily for single-cassette setups, it is often replaced or upgraded in models like the Hyosung 1500 and 1800 series; an adapter kit is sometimes required to fit this legacy unit into newer machines like the Halo, Halo II, or Force.
Maintenance Components: Common wear-and-tear parts include the Double Detect Pinch Roller and the Main Control Board (Part #76700000-55)