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Collins vs Walrus

Collins vs Walrus at a glance — displacement 3,100 vs 2,450 tons, length 77 vs 67 m, speed 10 vs 12 knots, crew 58 vs 49.

Specifications
Collins Walrus
Origin 🇦🇺 Australia 🇳🇱 Netherlands
Category Submarine Submarine
Type Diesel-electric submarine Diesel-electric attack submarine
Manufacturer Australian Submarine Corporation Rotterdamsche Droogdok Maatschappij
Year introduced 1996 1990
Number built 6 units 4 units
Estimated unit price $555 million NA
Displacement 3,100 tons 2,450 tons
Maximum speed 10.0 knots 12.0 knots
Range 11,500 nm at 10 knots 10,000 nm at 9 knots
Length 77.4 m 67.7 m
Beam 7.8 m 8.4 m
Crew 58 49
Max depth 180 m 300 m
Performance Radar Chart
Armament & Systems
Collins Walrus
Armament
  • 6 x 21-inch (530 mm) bow torpedo tubes
  • Mark 48 Mod 7 CBASS torpedoes
  • UGM-84C Sub-Harpoon anti-ship missiles
  • RWM Italia smart sea mines
  • 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
Propulsion 3 × Garden Island-Hedemora HV V18b/15Ub (VB210) 18-cylinder diesel motors, 3 × Jeumont-Schneider generators (1,400 kW, 440-volt DC), 1 × Jeumont-Schneider DC motor (7,200 hp or 5,400 kW) 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
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Frequently Asked Questions

Which has greater displacement, the Collins-class or Walrus-class?
The Collins-class has greater displacement at 3,100 tons compared to the Walrus-class's 2,450 tons.
Which is faster, the Collins-class or Walrus-class?
The Walrus-class is faster with a maximum speed of 12 knots compared to the Collins-class's 10 knots.
Which has longer range, the Collins-class or Walrus-class?
The Collins-class has a longer range at 11,500 nautical miles compared to the Walrus-class's 10,000 nautical miles.
Which is longer, the Collins-class or Walrus-class?
The Collins-class is longer at 77.4 meters compared to the Walrus-class's 67.7 meters.
How many crew members do the Collins-class and Walrus-class have?
The Collins-class has a larger crew complement of 58 compared to the Walrus-class's 49 crew members.
Which can dive deeper, the Collins-class or Walrus-class?
The Walrus-class can dive deeper with a maximum depth of 300 meters compared to the Collins-class's 180 meters.
Which has been built in greater numbers, the Collins-class or Walrus-class?
The Collins-class has been built in greater numbers with 6 vessels compared to 4 vessels of the Walrus-class.