KC-135 Stratotanker vs KC-46 Pegasus

The KC-135 Stratotanker is a Military Special Mission Aircraft built by Boeing, while the KC-46 Pegasus is a Military Transport Aircraft by Boeing. Top speed is 933 km/h for the KC-135 Stratotanker vs 914 km/h for the KC-46 Pegasus. The KC-135 Stratotanker has an operational range of 2,400 km vs 11,830 km for the KC-46 Pegasus. The KC-135 Stratotanker operates at altitudes up to 15,240 m compared to 12,200 m for the KC-46 Pegasus. The KC-135 Stratotanker has been produced in 803 units vs 108 for the KC-46 Pegasus. Unit cost is $39M for the KC-135 Stratotanker vs $287M for the KC-46 Pegasus. The KC-135 Stratotanker first flew 58 years before the KC-46 Pegasus (1956 vs 2014).

American refueling aircraft, deployed during Cold War, Desert Storm and ongoing operations worldwide for mid-air refueling missions.
Boeing KC-135 Stratotanker Other profile drawing
Origin country 🇺🇸 United States
Category Military Special Mission Aircraft
Manufacturer Boeing
First flight 31 August 1956
Year introduced 1957
Number produced 803 units
Average unit price $39 million
American military aerial refueling and strategic transport aircraft, developed from a commercial jet airliner in the early 21st century, utilized for global air mobility and tanker operations.
Boeing KC-46 Pegasus Transport profile drawing
Origin country 🇺🇸 United States
Category Military Transport Aircraft
Manufacturer Boeing
First flight 28 December 2014
Year introduced 2019
Number produced 108 units
Average unit price $287 million
Wing area 226.0 m²
Wingspan 39.9 m â—‰
Height 12.7 m â—‰
Length 41.5 m â—‰
Maximum speed 933 km/h â—‰
Operational range 2,400 km â—‰
Service ceiling 15,240 m â—‰
Max. takeoff weight 146,283 kg â—‰
Empty weight 44,663 kg â—‰
Total thrust 4 x 9,813 kgf â—‰
Wing area -- m²
Wingspan 48.1 m â—‰
Height 15.9 m â—‰
Length 50.5 m â—‰
Maximum speed 914 km/h â—‰
Operational range 11,830 km â—‰
Service ceiling 12,200 m â—‰
Max. takeoff weight 188,240 kg â—‰
Empty weight 82,377 kg â—‰
Total thrust 2 x 280 kN â—‰

Performance Radar Chart

Frequently Asked Questions

Which is faster, the KC-135 Stratotanker or KC-46 Pegasus?
The KC-135 Stratotanker is faster with a maximum speed of 933 km/h compared to the KC-46 Pegasus's 914 km/h, a difference of 19 km/h.
Which has longer range, the KC-135 Stratotanker or KC-46 Pegasus?
The KC-46 Pegasus has a longer range at 11,830 km compared to the KC-135 Stratotanker's 2,400 km.
Which can fly higher, the KC-135 Stratotanker or KC-46 Pegasus?
The KC-135 Stratotanker has a higher service ceiling at 15,240 meters (50,000 ft) compared to the KC-46 Pegasus's 12,200 meters (40,026 ft).
Which is heavier, the KC-135 Stratotanker or KC-46 Pegasus?
The KC-46 Pegasus has a higher maximum takeoff weight at 188,240 kg compared to the KC-135 Stratotanker's 146,283 kg.
Which is larger, the KC-135 Stratotanker or KC-46 Pegasus?
The KC-46 Pegasus is longer at 50.5 meters compared to the KC-135 Stratotanker's 41.5 meters.
Which is more expensive, the KC-135 Stratotanker or KC-46 Pegasus?
The KC-46 Pegasus is more expensive at approximately $287 million per unit compared to the KC-135 Stratotanker at $39 million.
Which entered service first, the KC-135 Stratotanker or KC-46 Pegasus?
The KC-135 Stratotanker entered service first in 1957, 62 years before the KC-46 Pegasus which entered service in 2019.
Which has been built in greater numbers, the KC-135 Stratotanker or KC-46 Pegasus?
The KC-135 Stratotanker has been produced in greater numbers with 803 units compared to 108 units of the KC-46 Pegasus.