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Delta IV vs Oyashio

Delta IV vs Oyashio at a glance — displacement 7,800 vs 2,750 tons, length 139 vs 81 m, speed 12 vs 12 knots, crew 120 vs 70.

Delta IV submarine side profile drawing
🇷🇺 Delta IVFull specs
Oyashio submarine side profile drawing
🇯🇵 OyashioFull specs
Specifications
Delta IV Oyashio
Origin 🇷🇺 Ex-USSR 🇯🇵 Japan
Category Submarine Submarine
Type Nuclear-powered ballistic missile submarine Attack submarine
Manufacturer Komsomolsk-on-Amur Kawasaki Shipbuilding Corporation
Year introduced 1984 1998
Number built 18 units 11 units
Estimated unit price NA NA
Displacement 7,800 tons 2,750 tons
Maximum speed 12.0 knots 12.0 knots
Range Unlimited NA
Length 139.0 m 81.7 m
Beam 12.0 m 8.9 m
Crew 120 70
Max depth 400 m NA
Performance Radar Chart
Armament & Systems
Delta IV Oyashio
Armament
  • D-9 launch tubes for 12 R-29 (SS-N-8 Sawfly) SLBMs
  • 4 × 533 mm (21 in) torpedo tubes
  • 2 × 400 mm (16 in) torpedo tubes
  • 6 × HU-605 21 in (533 mm) torpedo tubes
  • Type 89 torpedoes
  • UGM-84 Harpoon missiles
Propulsion 2 pressurized water-cooled reactors powering 2 steam turbines driving 2 shafts and each developing 38.7 MW (51,900 shp) Diesel-electric: 2 Kawasaki 12V25S diesel engines, 2 Kawasaki alternators, 2 Toshiba motors; 3,400 hp (2,500 kW) surfaced, 7,750 hp (5,780 kW) submerged
Explore further
Delta IV-class side profile drawing Delta IV-class Specs, operators & history →
Largest operators · in service
Oyashio-class side profile drawing Oyashio-class Specs, operators & history →
Largest operators · in service
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Frequently Asked Questions

Which has greater displacement, the Delta IV-class or Oyashio-class?
The Delta IV-class has greater displacement at 7,800 tons compared to the Oyashio-class's 2,750 tons.
Which is faster, the Delta IV-class or Oyashio-class?
Both the Delta IV-class and Oyashio-class have a maximum speed of 12 knots.
Which is longer, the Delta IV-class or Oyashio-class?
The Delta IV-class is longer at 139.0 meters compared to the Oyashio-class's 81.7 meters.
How many crew members do the Delta IV-class and Oyashio-class have?
The Delta IV-class has a larger crew complement of 120 compared to the Oyashio-class's 70 crew members.
Which has been built in greater numbers, the Delta IV-class or Oyashio-class?
The Delta IV-class has been built in greater numbers with 18 vessels compared to 11 vessels of the Oyashio-class.