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Type 037 vs Type 037I

Type 037 vs Type 037I at a glance — displacement 430 vs 430 tons, length 58 vs 58 m, speed 30 vs 30 knots, crew 70 vs 70.

Specifications
Type 037 Type 037I
Origin 🇨🇳 China 🇨🇳 China
Category Corvette Corvette
Type Submarine chaser Submarine chaser
Manufacturer Chinese State Industry Chinese State Industry
Year introduced 1964 1964
Number built 100 units 100 units
Estimated unit price NA NA
Displacement 430 tons 430 tons
Maximum speed 30.0 knots 30.0 knots
Range 2,000 nm at 14 knots 2,000 nm at 14 knots
Length 58.8 m 58.8 m
Beam 7.2 m 7.2 m
Crew 70 70
Performance Radar Chart
Armament & Systems
Type 037 Type 037I
Armament
  • 4 x Chinese Type 66 57 mm guns (2x2)
  • 4 x Chinese Type 61 25 mm guns (2x2)
  • 4 x RBU-1200 or Type 81 ASW rocket launchers
  • 2 x BMB-2 ASW mortars
  • 2 x depth charge rails with more than 20 depth charges
  • mine rails (10 mines total)
  • 4 × Chinese Type 66 57 mm (2.2 in) guns (2×2)
  • 4 × Chinese Type 61 25 mm (0.98 in) guns (2×2)
  • 4 × RBU-1200 or Type 81 ASW rocket launchers
  • 2 × BMB-2 ASW mortars
  • 2 × depth charge rails with more than 20 depth charges
  • mine rails (10 mines total)
Propulsion 4 x diesel engines, 8,800 hp (6,562 kW), 4 x shafts 4 × diesel engines, 8,800 hp (6,562 kW), 4 × shafts
Explore further
Type 037-class Specs, operators & history →
Largest operators · in service
Type 037I-class Specs, operators & history →
Largest operators · in service
Change comparison vs
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Frequently Asked Questions

Which has greater displacement, the Type 037-class or Type 037I-class?
Both the Type 037-class and Type 037I-class displace 430 tons.
Which is faster, the Type 037-class or Type 037I-class?
Both the Type 037-class and Type 037I-class have a maximum speed of 30 knots.
Which has longer range, the Type 037-class or Type 037I-class?
Both the Type 037-class and Type 037I-class have a range of 2,000 nautical miles.
Which is longer, the Type 037-class or Type 037I-class?
Both the Type 037-class and Type 037I-class are 58.8 meters long.
How many crew members do the Type 037-class and Type 037I-class have?
Both the Type 037-class and Type 037I-class have a crew complement of 70.
Which has been built in greater numbers, the Type 037-class or Type 037I-class?
Both the Type 037-class and Type 037I-class have been built in equal numbers with 100 vessels each.