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Hai Kun vs Sōryū

Hai Kun vs Sōryū at a glance — displacement 2,500 vs 2,900 tons, length 70 vs 84 m.

Sōryū submarine side profile drawing
🇯🇵 Sōryū
Specifications
Hai Kun Sōryū
Origin 🇹🇼 Taiwan 🇯🇵 Japan
Category Submarine Submarine
Type Diesel-electric attack submarine Attack submarine
Manufacturer CSBC Corporation, Kaohsiung Mitsubishi Heavy Industries
Year introduced 2025 2009
Number built 8 units 12 units
Estimated unit price NA $540 million
Displacement 2,500 tons 2,900 tons
Maximum speed NA 13.0 knots
Range NA 6,100 nm at 6 knots
Length 70.0 m 84.0 m
Beam 8.0 m 9.1 m
Crew -- 65
Performance Radar Chart
Armament & Systems
Hai Kun Sōryū
Armament
  • 6 × 533 mm torpedo tubes for Mk 48 Mod 6AT torpedoes
  • UGM-84L Sub-Harpoon anti-ship missiles
  • 6 × HU-606 21 in (533 mm) torpedo tubes
  • Type 89 torpedo
  • Harpoon (missile)
  • Mines
Propulsion Diesel-electric with lithium-ion batteries 1-shaft 2× Kawasaki 12V 25/25 SB-type diesel engines, 4× Kawasaki Kockums V4-275R Stirling engines (3,900 hp surfaced, 8,000 hp submerged)
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Frequently Asked Questions

Which has greater displacement, the Hai Kun-class or Sōryū-class?
The Sōryū-class has greater displacement at 2,900 tons compared to the Hai Kun-class's 2,500 tons.
Which is faster, the Hai Kun-class or Sōryū-class?
The Sōryū-class is faster with a maximum speed of 13 knots compared to the Hai Kun-class's 0 knots.
Which has longer range, the Hai Kun-class or Sōryū-class?
The Sōryū-class has a longer range at 6,100 nautical miles compared to the Hai Kun-class's 0 nautical miles.
Which is longer, the Hai Kun-class or Sōryū-class?
The Sōryū-class is longer at 84.0 meters compared to the Hai Kun-class's 70.0 meters.
Which has been built in greater numbers, the Hai Kun-class or Sōryū-class?
The Sōryū-class has been built in greater numbers with 12 vessels compared to 8 vessels of the Hai Kun-class.