Harushio vs Narwhal

The Harushio and the Narwhal are both Submarine classes. The Narwhal displaces 5,027 tons — 2.1x the Harushio's 2,450 tons. The Harushio reaches 12 knots vs 20 knots for the Narwhal. The Harushio carries a crew of 75 vs 107 for the Narwhal. Submerged displacement is 3,200 tons for the Harushio vs 5,378 tons for the Narwhal. The Harushio can dive to 550 m compared to 400 m for the Narwhal. The Harushio was produced in 7 units vs 1 for the Narwhal. The Harushio was commissioned in 1990, 21 years after the Narwhal (1969).

Japanese diesel-electric submarine, 2,450 tons displacement, uses two Mitsubishi diesel engines.
Origin 🇯🇵 Japan
Category Submarine
Type Diesel-electric submarine
Manufacturer Mitsubishi Heavy Industries
Year introduced 1990
Number built 7 units
Estimated unit price NA
American nuclear submarine, 1969 introduction year, powered by an S5G pressurized water reactor.
Origin 🇺🇸 United States
Category Submarine
Type Nuclear submarine
Manufacturer General Dynamics Electric Boat
Year introduced 1969
Number built 1 unit
Estimated unit price NA
Displacement 2,450 tons
Maximum speed 12.0 knots
Range NA
Length 77.4 m
Beam 10.5 m
Crew 75
Max depth 550 m
Propulsion 1-shaft diesel-electric; 2 Mitsubishi-MAN V8/v24-30 MATL diesel engines (1,750 bhp each), 2 alternators (1,850 kW each), 2 tandem Toshiba electric motors (7,220 shp)
Armament
  • 6 x 533 mm (21 in) torpedo tubes
  • Type 89 torpedo
  • UGM-84 Harpoon
Displacement 5,027 tons
Maximum speed 20.0 knots
Range Unlimited
Length 95.9 m
Beam 10.0 m
Crew 107
Max depth 400 m
Propulsion 1 × S5G pressurized water reactor; 1 × steam turbine, 17,000 shp (13,000 kW); 1 shaft
Armament
  • 4 × 21 in (533 mm) torpedo tubes
  • SUBROC
  • Mark 37 torpedoes
  • Mark 45 torpedoes
  • Mark 48 ADCAP torpedoes
  • Mines
  • Tomahawk missiles
  • Harpoon missiles

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Harushio-class or Narwhal-class?
The Narwhal-class has greater displacement at 5,027 tons compared to the Harushio-class's 2,450 tons.
Which is faster, the Harushio-class or Narwhal-class?
The Narwhal-class is faster with a maximum speed of 20 knots compared to the Harushio-class's 12 knots.
Which has longer range, the Harushio-class or Narwhal-class?
The Narwhal-class is nuclear-powered with unlimited range, while the Harushio-class has a range of 0 nautical miles.
Which is longer, the Harushio-class or Narwhal-class?
The Narwhal-class is longer at 95.9 meters compared to the Harushio-class's 77.4 meters.
How many crew members do the Harushio-class and Narwhal-class have?
The Narwhal-class has a larger crew complement of 107 compared to the Harushio-class's 75 crew members.
Which can dive deeper, the Harushio-class or Narwhal-class?
The Harushio-class can dive deeper with a maximum depth of 550 meters compared to the Narwhal-class's 400 meters.
Which has been built in greater numbers, the Harushio-class or Narwhal-class?
The Harushio-class has been built in greater numbers with 7 vessels compared to 1 vessels of the Narwhal-class.