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Boeing 747 vs KC-10 Extender

Boeing 747 vs KC-10 Extender at a glance — top speed 1,014 vs 866 km/h, range 12,150 vs 7,100 km, max takeoff weight 377,842 vs 267,619 kg, built 1,574 vs 60 units.

Boeing 747 military special mission aircraft side profile drawing
🇺🇸 Boeing 747
McDonnell Douglas KC-10 Extender military transport aircraft side profile drawing
🇺🇸 KC-10 Extender
Specifications
Boeing 747 KC-10 Extender
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Special Mission Aircraft Military Transport Aircraft
Manufacturer Boeing McDonnell Douglas
First flight 9 February 1969 1 July 1980
Year introduced 1970 1981
Number produced 1574 units 60 units
Average unit price $285 million $96 million
Wing area 511.0 m² 367.7 m²
Wingspan 59.6 m 50.4 m
Height 19.3 m 17.7 m
Length 70.6 m 55.4 m
Maximum speed 1014 km/h 866 km/h
Operational range 12,150 km 7,100 km
Service ceiling 13,746 m 13,000 m
Max. takeoff weight 377,842 kg 267,619 kg
Empty weight 173,726 kg 109,328 kg
Total thrust 4 x 25,719 kgf 3 x 234 kN
Performance Radar Chart
Change comparison vs
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Frequently Asked Questions

Which is faster, the Boeing 747 or KC-10 Extender?
The Boeing 747 is faster with a maximum speed of 1,014 km/h compared to the KC-10 Extender's 866 km/h, a difference of 148 km/h.
Which has longer range, the Boeing 747 or KC-10 Extender?
The Boeing 747 has a longer range at 12,150 km compared to the KC-10 Extender's 7,100 km.
Which can fly higher, the Boeing 747 or KC-10 Extender?
The Boeing 747 has a higher service ceiling at 13,746 meters (45,098 ft) compared to the KC-10 Extender's 13,000 meters (42,650 ft).
Which is heavier, the Boeing 747 or KC-10 Extender?
The Boeing 747 has a higher maximum takeoff weight at 377,842 kg compared to the KC-10 Extender's 267,619 kg.
Which is larger, the Boeing 747 or KC-10 Extender?
The Boeing 747 is longer at 70.6 meters compared to the KC-10 Extender's 55.4 meters.
Which is more expensive, the Boeing 747 or KC-10 Extender?
The Boeing 747 is more expensive at approximately $285 million per unit compared to the KC-10 Extender at $96 million.
Which entered service first, the Boeing 747 or KC-10 Extender?
The Boeing 747 entered service first in 1970, 11 years before the KC-10 Extender which entered service in 1981.
Which has been built in greater numbers, the Boeing 747 or KC-10 Extender?
The Boeing 747 has been produced in greater numbers with 1,574 units compared to 60 units of the KC-10 Extender.