Military Factory logo
Icon of F-15 Eagle military combat fighter aircraft
Icon of Abrams Main Battle Tank
Icon of navy warships
Icon of AK-47 assault rifle

Nakajima G5N Shinzan (Deep Mountain)

Four-Engine Heavy Bomber Prototype

The American Douglas DC-4E airliner formed the basis for this Imperial Japanese four-engined heavy bomber - the Nakajima G5N.
Authored By: Staff Writer | Edited: 2/1/2020
National Flag Graphic


Year: 1941
Status: Cancelled
Manufacturer(s): Nakajima Aircraft Company - Japanese Empire
Production: 6
Crew: 7
Length: 101.77 ft (31.02 m)
Width: 138.19 ft (42.12 m)
Height: 28.87 ft (8.8 m)
Weight (Empty): 44,313 lb (20,100 kg)
Weight (MTOW): 70,548 lb (32,000 kg)
Power: 4 x Nakajima NK7A "Mamori 11" 14-cylinder air-cooled radial piston engines developing 1,871 horsepower each driving four-bladed propeller units.
Speed: 261 mph (420 kph; 227 kts)
Ceiling: 24,442 feet (7,450 m; 4.63 miles)
Range: 2,647 miles (4,260 km; 2,300 nm)
Operators: Imperial Japan


Internal bomb load consisting of conventional drop bombs or torpedoes.

Graphical image of an aircraft aerial torpedo
Graphical image of an aircraft conventional drop bomb munition

Variants / Models

• G5N "Shinzan" ("Deep Mountain") - Base Series Designation.
• G5N1 - Initial prototypes; two completed tot he standard.
• G5N2 - Secondary prototypes; four completed to the standard.
• "Experimental 13-Shi Attack Bomber" - Imperial Japanese Navy (IJN) designation.
• "Liz" - Allied Codename.
Site Disclaimer  |  Privacy Policy  |  Cookies  |  Site Map Site content ©2003-, All Rights Reserved.

The "Military Factory" name and logo are registered ® U.S. trademarks protected by all applicable domestic and international intellectual property laws. All written content, illustrations, and photography are unique to this website (unless where indicated) and not for reuse/reproduction in any form. Material presented throughout this website is for historical and entertainment value only and should not to be construed as usable for hardware restoration, maintenance, or general operation. We do not sell any of the items showcased on this site. Please direct all other inquiries to militaryfactory AT

Part of a network of sites that includes, GlobalFirepower, a data-driven property used in ranking the top military powers of the world, and, the World Directory of Modern Military Aircraft.

Facebook Logo YouTube Logo