Boeing C-17 Globemaster III Vs Lockheed C-5 Galaxy - Military Factory

The global defense reference actively compiled since 2003 MENU AVIATION & AEROSPACE INFANTRY SMALL ARMS VEHICLES & ARTILLERY NAVAL WARFARE × AVIATION & AEROSPACE Airpower 2025 Aircraft by Country Compare Aircraft Manufacturers INFANTRY SMALL ARMS Warfighter 2025 Small Arms by Country VEHICLES & ARTILLERY Armor 2025 Armor by Country WARSHIPS & SUBMARINES Navies 2025 Ships by Country U.S. MILITARY PAY 2026 MILITARY RANKS Boeing C-17 Globemaster III vs Lockheed C-5 Galaxy Comparison

Aviation | Utilities | Side-by-Side Comparison

Direct side-by-side comparison of two aircraft.

Your selected aircraft are compared in side-by-side arrangement below. You can always go back and Compare any two aircraft in our database. Some entries contain '0', 'not available', or an 'NA' value. This is more common with conceptual, experimental, and x-plane designs. Rotary-wing system (i.e. helicopters) values include main rotor diameter as part of width/wingspan measurement. UAV entries may display crew values as '0', not taking into account ground-based controllers. Subjects Boeing C-17 Globemaster III Tactical / Strategic Military Transport Aircraft Lockheed C-5B Strategic Heavy-Lifter Transport Aircraft Basics ORIGIN United States ORIGIN United States YEAR 1995 [Diff.+25 yrs] YEAR 1970 [Diff.-25 yrs] CREW 3 CREW 7 PRODUCTION 279 units [Diff.+148] PRODUCTION 131 units [Diff.-148] Dimensions LENGTH 173.9 ft (53.0 m) [Diff.-73.2 ft] LENGTH 247.1 ft (75.3 m) [Diff.+73.2 ft] WIDTH/SPAN 169.8 ft (51.8 m) [Diff.-53.0 ft] WIDTH/SPAN 222.7 ft (67.9 m) [Diff.+53.0 ft] HEIGHT 55.1 ft (16.8 m) [Diff.-10.0 ft] HEIGHT 65.1 ft (19.9 m) [Diff.+10.0 ft] Relative Size Comparison Shapes below depict aircraft from wingtip-to-wingtip / nose-to-tail assuming aircraft are being viewed from overhead perspective (the nose pointing towards the top of the screen). Helicopter widths include main rotor diameter. If any dimensional values are "NA" in the database then the presented shapes may appear skewed. Boeing C-17 Globemaster III Lockheed C-5B Weights EMPTY WT. 278,003 lb (126,100 kg) [Diff.-101,986 lb] EMPTY WT. 379,989 lb (172,360 kg) [Diff.+101,986 lb] M.T.O.W. 585,001 lb (265,352 kg) [Diff.-254,960 lb] M.T.O.W. 839,961 lb (381,000 kg) [Diff.+254,960 lb] Installed Power 4 x Pratt & Whitney F117-PW-100 turbofan engines developing 40,440 lb of thrust each. 4 x General Electric TF39-GE-1C turbofans developing 43,000 lb of thrust each. Performance SPEED 518 mph (833 kph) [Diff.-60 mph] SPEED 578 mph (930 kph) [Diff.+60 mph] RANGE 5,861 miles (9,432 km) [Diff.-601 miles] RANGE 6,462 miles (10,400 km) [Diff.+601 miles] CEILING 45,000 ft (13,716 m) [Diff.+10,223 feet] CEILING 34,777 ft (10,600 m) [Diff.-10,223 feet] Armament None. None. Going Further View Entry (Boeing C-17 Globemaster III) View Entry (Lockheed C-5 Galaxy)

Aviation & Aerospace

Aviation Index Aircraft Cockpits Compare Aircraft Aircraft Manufacturers Modern Airpowers Pilot Aviation Alphabet Aircraft Production World War I Aviation World War II Aviation Disclaimer | Privacy Policy | Cookies 2026 Military Pay Scale Military Ranks U.S. DoD Dictionary Conversion Calculators Military Alphabet Code WW2 Weapons American War Deaths MilitaryRibbons.Info WorldWarNext.com The "Military Factory" name and MilitaryFactory.com 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 gmail.com. No A.I. was used in the generation of this content. Part of a network of sites that includes Global Firepower, WDMMA.org, and WDMMW.org. ©2025 www.MilitaryFactory.com • All Rights Reserved • Content ©2003-2025 (22yrs)