F4F-4

Modification of: F4F-4, FM-1, Martlet II, V
Produced: 1,169
Changes: Six .50 in guns with 240 rounds each instead of four with 450; heavier than the F4F-3 with the same engine.
Crew: 1
Length: 8,773 mm
Wingspan: 11,582 mm
Height: 2,800 mm
Wing area: 24.15 m²
Empty weight: 2,610 kg
Max takeoff weight: 3,610 kg
Engine: Pratt & Whitney R-1830-86 Twin Wasp
Engines: 1
Diameter: 3,140 mm
Blades: 3
Pitch: Constant speed
Max speed: 512 km/h
Max speed altitude: 5,913 m
Service ceiling: 10,380 m
Self sealing tanks: True

Climb time

Altitude	Time, min
3,000 m	5.6

Distance, km	Fuel
1,335	Internal

Weapon	Count	Rounds	Position
Browning AN/M2 .50	6	240	Wing

Name	Changes
Two 100 lb bombs	Mk XLI racks under the wings for two 100 lb bombs.
Two drop tanks	Two 58 US gal (220 L) drop tanks under the wings.

≈ 18 Apr 1942 – 7 Apr 1943

≈ 8 Nov 1942 – 11 Nov 1942