Dolphin vs Walrus

Israeli diesel-electric submarine, 1,640 tons displacement, utilizes air-independent propulsion in the Dolphin 2 class.
Origin 🇮🇱 Israel
Category Submarine
Type Diesel-electric submarine
Manufacturer Howaldtswerke-Deutsche Werft
Year introduced 1999
Number built 5 units
Estimated unit price $1,000 million
Dutch diesel-electric submarine, introduced in 1990, powered by three SEMT Pielstick diesel engines.
Origin 🇳🇱 Netherlands
Category Submarine
Type Diesel-electric attack submarine
Manufacturer Rotterdamsche Droogdok Maatschappij
Year introduced 1990
Number built 4 units
Estimated unit price NA
Displacement 1,640 tons â—‰
Maximum speed 11.0 knots â—‰
Range 8,000 nm at 8 knots â—‰
Length 57.3 m â—‰
Beam 6.8 m â—‰
Crew 45 â—‰
Max depth 350 m â—‰
Propulsion Diesel-electric, 3 diesels, 1 shaft, 4,243 shp (3,164 kW); Dolphin 2 class: air-independent HDW Fuel Cell System
Armament
  • 6 × 533 mm (21.0 in) torpedo tubes
  • 4 × 650 mm (26 in) diameter torpedo tubes
  • 16 torpedoes and Popeye Turbo submarine-launched cruise missiles (SLCMs)
Displacement 2,450 tons â—‰
Maximum speed 12.0 knots â—‰
Range 10,000 nm at 9 knots â—‰
Length 67.7 m â—‰
Beam 8.4 m â—‰
Crew 49 â—‰
Max depth 300 m â—‰
Propulsion 1 shaft (5 blades), 3 x SEMT Pielstick PA4 200 VG diesel engines 6,300 hp (4,700 kW), 1 x HOLEC electric motor, 420-cell VARTA batteries
Armament
  • 4 x 21-inch (533 mm) torpedo tubes
  • 20 x Honeywell Mk 48 torpedoes or Honeywell NT 37 C/D/E torpedoes
  • UGM-84 Harpoon SSM
  • 40 mines

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Dolphin-class or Walrus-class?
The Walrus-class has greater displacement at 2,450 tons compared to the Dolphin-class's 1,640 tons.
Which is faster, the Dolphin-class or Walrus-class?
The Walrus-class is faster with a maximum speed of 12 knots compared to the Dolphin-class's 11 knots.
Which has longer range, the Dolphin-class or Walrus-class?
The Walrus-class has a longer range at 10,000 nautical miles compared to the Dolphin-class's 8,000 nautical miles.
Which is longer, the Dolphin-class or Walrus-class?
The Walrus-class is longer at 67.7 meters compared to the Dolphin-class's 57.3 meters.
How many crew members do the Dolphin-class and Walrus-class have?
The Walrus-class has a larger crew complement of 49 compared to the Dolphin-class's 45 crew members.
Which can dive deeper, the Dolphin-class or Walrus-class?
The Dolphin-class can dive deeper with a maximum depth of 350 meters compared to the Walrus-class's 300 meters.
Which has been built in greater numbers, the Dolphin-class or Walrus-class?
The Dolphin-class has been built in greater numbers with 5 vessels compared to 4 vessels of the Walrus-class.