Yuan Class - Specifications
| Yuan Type 039A | S-20 [Export] | Yuan Type 039B | |
| Displacement, Submerged | 2,400 tons | 2,200-2,300 tons | |
| Displacement, surface | 2,000 tons | 1,850 tons | |
| Length, O/A | 73-75 meters / 245 ? feet | 66 meters | |
| Length, W/L | meters / feet | ||
| Length, B/P | meters / feet | ||
| Max Beam | 8.4 meters / feet | 8 meters | |
| Draft | 5.5 meters / feet | ||
| Height | meters / feet | ||
| Propulsion Type | diesel electric + AIP | diesel electric AIP optional | |
| Engines | |||
| Number of Main Engine(s) | 4 diesel + 2 AIP | ||
| Main Engine builder | Shanxii [disel] + Institute No. 711 [AIP] | ||
| Main Model | |||
| Main RPM | |||
| Main power | 6,092 shp | ||
| Propeller(s) | 1 | 1 | |
| Speed, submerged | 23 knots | 18-20 Knots | |
| Speed, surface | 16 Knots | 16 knots | |
| Diving Depth | 300 meters | 300 meters | |
| Range | nautical miles at knots | 8,000 nautical miles at 16 knots | |
| Stores endurance | days | ||
| Electronics | |||
| Weapons Systems | 6 533mm torpedo tube torpedoes or YJ-83 (C-803) ASCM, 0r 36 mines | ||
| Aviation | none | ||
| Complement | 58 | 38-40 |
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