Tier IXBattleship

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Duncan

WoWS World of Warships U.K. Battleship · Tier IX

Main Battery: 419 mm/45 Mk.I on a Mk.I mount; 3 turrets × 3 barrels; Range 17.9 km
Secondaries: 152 mm HE Mk V
Secondaries: 113 mm HE 5crh; Range 6.95 km
Torpedoes: 622 mm PR Mk II; 2 launchers × 1 tubes; Range 10 km

Duncan Win Rate & Combat Stats

Sample of 453.6K players · as of 2026-08-06

BattlesWin rateAvg damage

EUBattles 651,207

651.2K651,207

Win rate

51.16%

#25 of 58

Avg damage

74,111

#21 of 58

ASIABattles 564,249

564.2K564,249

Win rate

51.35%

#24 of 58

Avg damage

74,619

#25 of 58

NABattles 281,408

281.4K281,408

Win rate

51.03%

#25 of 58

Avg damage

74,140

#22 of 58

Averages from our own crawled player sample, not official server-wide data. The sample skews toward active clan players, so its overall win rate runs about 1 point above the true server average. Battle counts are career totals and include games played before this ship’s past balance changes.

Survivability

Hit Points66,900

#55 of 65

Group avg 73,000

Flood Damage23%

Main Belt Armor356 mm

Deck Armor32 mm

Bow / Stern Armor25 mm

Ship Length262.7 m

Ship Width32.3 m

Main Battery

Main Guns3 × 3

Caliber419 mm

Firing Range17.9 km

#60 of 65

Group avg 20.5 km

Reload Time29.0 s

Rotation Time30.0 s

Max Dispersion198 m

Sigma1.60

Shell Types

AP Shell

Damage13,050

Shell Velocity747 m/s

Overmatch Threshold29.3 mm

Ricochet Angle45° / 60°

Normalization6°

Fuse Threshold70 mm

Air Drag0.2353

Flight Time10.32 s

DPM243,000

#17 of 65

Group avg 236,095

HE Shell

Damage6,150

Shell Velocity792 m/s

Fire Chance47%

Penetration70 mm

Air Drag0.31

Flight Time10.56 s

DPM114,517

Torpedoes

Torpedo Tubes2

Speed67 knots

Range10.0 km

#9 of 12

Group avg 13.0 km

Damage29,366

#1 of 12

Group avg 16,375

Alpha Damage83,600

Splash Damage1,500

Flood Chance355%

Detectability1.70 km

Reload Time55.0 s

#1 of 12

Group avg 111.8 s

180° Rotation15.0 s

Arming Time1 s

Resurface Distance18 m

Spread Angle1.2° / 1.2°

Torpedo Caliber622 mm

Tube Module HP1,200

Fuse Depth0.14 m

Secondary Battery

Secondary Guns14

Range7.0 km

Sigma1.00

Max Dispersion426.2 m

Accuracy★☆☆☆☆ Decorative

Total DPM455,400

113 mm HE Shell(8×2)

Damage1,700

HE Penetration19 mm

Fire Chance8%

Rate of Fire12 rpm

152 mm HE Shell(6×2)

Damage2,150

HE Penetration25 mm

Fire Chance9%

Rate of Fire5 rpm

AA Defense

Flak Bursts4

Flak Damage1,400

AA Ranges

2.0 km74 dps

3.5 km469 dps

5.8 km84 dps

Maneuverability

Max Speed32.0 knots

#11 of 65

Group avg 30.2 knots

Turning Radius910 m

#38 of 65

Group avg 894 m

Rudder Shift Time23.3 s

Engine Power160,000 hp

Displacement54,390 t

Power-to-Weight2.94 hp/t

Concealment

Max Surface Detection14.88 km

#8 of 65

Group avg 15.82 km

Min Surface Detection12.05 km

Air Detection10.00 km

Submarine Detection10.00 km

Consumables

Slot 1

Damage Control Party

Reload80 s

Duration15 s

Charges∞

Slot 2

Repair Party

Reload100 s

Duration20 s

Charges3

Heal Rate2.0%/s

Citadel10%

Non-Citadel60%

Slot 3

Engine Boost

Reload120 s

Duration120 s

Charges3

Speed Boost+8%

Slot 4

auxTorpBooster

Reload120 s

Duration30 s

Charges3

Armament

Depth Charge Airstrike

Reload30 s

Charges2

Strike Range0.5–10.0 km

Planes6

Flights2

Bomb Damage4200

Fire Chance24%

Duncan Change History

13.1Dev Blog 2024-01-24 ↗
- Buffmain battery reload time31 → 29.5 s
- NerfRepair party consumable reload time80 → 100 s
11.5Test shipsDev Blog 2022-06-28 ↗
- Maximum torpedo damage increased from 21,064 to 29,367.
- Torpedo arming distance reduced from 1500 to 540 m. Torpedo launch sectors in the direction to the bow of the ship were slightly reduced as well.
- Nerfmain battery reload time30 → 31 s
11.4Test shipsDev Blog 2022-06-01 ↗
- BuffMain battery sigma parameter1.5 → 1.6
- BuffMain battery firing range with the basic gun fire control system module17.2 → 17.9 km
- BuffMain battery firing range with the researchable gun fire control system module18.9 → 19.7 km

See all version changes →

Modules

419 mm/45 Mk.I on a Mk.I mount

Main Battery

Rate of Fire:2

Max AP Damage:13,050

Max HE Damage:6,150

Rotation Time:30s

622 mm Mk I

Torpedoes

Range:0 km

Max Damage:29,366

Reload Time:1.1 knots

Torpedo Speed:67 knots

Duncan (A)

Hull

AA Guns:32

Main Guns:3

Secondary Guns:14

HP:66,900

Range:10-419

Torpedo Tubes:2

Duncan (B)

Hull

AA Guns:50

Main Guns:3

Secondary Guns:14

HP:75,200

Range:10-419

Torpedo Tubes:2

Propulsion: 160,000 hp

Engine

Max Speed:32 knots

Mk IX mod. 1

Fire Control

Range:0 km

Mk IX mod. 2

Fire Control

Range:0 km

Upgrades

Slot 1

Auxiliary Armaments Modification 1

AA mount survivability: +100%

Secondary battery survivability: +100%

Main Armaments Modification 1

Risk of main battery becoming incapacitated: -20%

Main battery survivability: +50%

Main battery repair time: -20%

Risk of torpedo tubes becoming incapacitated: -20%

Torpedo tubes survivability: +50%

Torpedo tubes repair time: -20%

Damage Control Party Modification 1

Consumable action time: +40%

Slot 2

Engine Room Protection

Risk of steering gears becoming incapacitated: -20%

Steering gears repair time: -20%

Risk of engine becoming incapacitated: -20%

Engine repair time: -20%

Damage Control System Modification 1

Risk of catching fire: -5%

Risk of flooding: -3%

Engine Boost Modification 1

Consumable action time: +30%

Slot 3

Torpedo Tubes Modification 1

Risk of torpedo tubes becoming incapacitated: -40%

Torpedo tubes traverse speed: +20%

Torpedo speed: +5%

Aiming Systems Modification 1

Maximum main battery shell dispersion: -7%

Maximum secondary battery shell dispersion: -5%

Secondary battery firing range: +5%

Torpedo tubes traverse speed: +20%

AA Guns Modification 1

Priority AA sector preparation time: -20%

Secondary Battery Modification 1

Maximum secondary battery shell dispersion: -20%

Secondary battery firing range: +20%

Main Battery Modification 2

Main battery traverse speed: +15%

Slot 4

Airstrike Modification 1

Airstrike aircraft HP: +25%

Airstrike armament reload time: -20%

Depth charge damage: +15%

Steering Gears Modification 1

Rudder shift time: -20%

Damage Control System Modification 2

Fire extinguishing time: -15%

Flooding recovery time: -15%

Slot 5

Ship Consumables Modification 1

Ship consumable action time: +10%

Concealment System Modification 1

Squadron detectability range: -10%

Dispersion of shells fired by enemies attacking your ship: +5%

Ship's detectability range: -10%

Ship detectability for submarines when underwater: -10%

Torpedo Lookout System

Assured acquisition range of torpedoes: 1.8km

Slot 6

Auxiliary Armaments Modification 2

Continuous AA damage: +15%

Damage from AA shell explosions: +15%

Number of explosions produced by AA defense salvos when the Defensive AA Fire consumable is active: +2

Secondary battery reload time: -20%

Gun Fire Control System Modification 2

Main battery firing range: +16%

Torpedo Tubes Modification 2

Risk of torpedo tubes becoming incapacitated: +50%

Torpedo tube reload time: -15%

Main Battery Modification 3

Main battery traverse speed: -13%

Main battery reload time: -12%

More:All Tier IX ships All Battleships U.K. ships

Duncan

Specifications

Duncan Win Rate & Combat Stats

Survivability

Main Battery

Torpedoes

Secondary Battery

AA Defense

Maneuverability

Concealment

Consumables

Duncan Change History

Ballistics

Armor Model

Overview

Modules

419 mm/45 Mk.I on a Mk.I mount

Main Battery

622 mm Mk I

Torpedoes

Duncan (A)

Hull

Duncan (B)

Hull

Propulsion: 160,000 hp

Engine

Mk IX mod. 1

Fire Control

Mk IX mod. 2

Fire Control

Upgrades

Slot 1

Auxiliary Armaments Modification 1

Main Armaments Modification 1

Damage Control Party Modification 1

Slot 2

Engine Room Protection

Damage Control System Modification 1

Engine Boost Modification 1

Slot 3

Torpedo Tubes Modification 1

Aiming Systems Modification 1

AA Guns Modification 1

Secondary Battery Modification 1

Main Battery Modification 2

Slot 4

Airstrike Modification 1

Steering Gears Modification 1

Damage Control System Modification 2

Slot 5

Ship Consumables Modification 1

Concealment System Modification 1

Torpedo Lookout System

Slot 6

Auxiliary Armaments Modification 2

Gun Fire Control System Modification 2

Torpedo Tubes Modification 2

Main Battery Modification 3

Other Tier IX Battleships