Lockheed Martin C-5M Super Galaxy vs Xi'an Aircraft Industrial Corporation (XAC) Y-20
Full specs: Lockheed Martin C-5M Super Galaxy Xi'an Aircraft Industrial Corporation (XAC) Y-20
Lockheed Martin C-5M Super Galaxy and Xi'an Aircraft Industrial Corporation (XAC) Y-20 are both transport & tanker, compared here on public specifications. The Lockheed Martin C-5M Super Galaxy leads on range (12,800 vs 7,800 km). Several China-origin figures here are manufacturer or state claims with limited independent verification, so treat this comparison as directional.
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Full data
Full spec sheet
| Performance | ||
| Max speed (km/h) | 917 km/h | 920 km/h ✓ |
| Cruise speed (km/h) | 830 km/h ✓ | 800 km/h |
| Range (km) | 12,800 km ✓ | 7,800 km |
| Service ceiling (m) | 10,600 m | 13,000 m ✓ |
| Physical | ||
| Length (m) | 75.3 m | 47 m |
| Empty weight (kg) | 188,146 kg | 100,000 kg |
| Combat weight (kg) | 381,024 kg | 220,000 kg |
| Crew | 7 | 3 |
| Cargo payload (kg) | 129,274 kg ✓ | 66,000 kg |
| Troop capacity | 73 | 180 ✓ |
| Propulsion | ||
| Thrust (kN) | 227 kN ✓ | 138 kN |
| Program | ||
| Units built | 52 | 90 ✓ |
| Operator countries | 1 | 1 |
Frequently asked questions
Which is faster, Lockheed Martin C-5M Super Galaxy and Xi'an Aircraft Industrial Corporation (XAC) Y-20? +
The Xi'an Aircraft Industrial Corporation (XAC) Y-20 is the fastest of the 2 compared here, at 920 km/h.
Which has the longer range? +
The Lockheed Martin C-5M Super Galaxy has the longest range at 12,800 km.
Which has the higher cargo payload? +
The Lockheed Martin C-5M Super Galaxy has the higher cargo payload at 129,274 kg.
Which has the higher cruise speed? +
The Lockheed Martin C-5M Super Galaxy has the higher cruise speed at 830 km/h.
Which has the higher service ceiling? +
The Xi'an Aircraft Industrial Corporation (XAC) Y-20 has the higher service ceiling at 13,000 m.
Which has the higher troop capacity? +
The Xi'an Aircraft Industrial Corporation (XAC) Y-20 has the higher troop capacity at 180.
Is the Lockheed Martin C-5M Super Galaxy better than the Xi'an Aircraft Industrial Corporation (XAC) Y-20? +
On the public specs we track, Lockheed Martin C-5M Super Galaxy and Xi'an Aircraft Industrial Corporation (XAC) Y-20 are closely matched, Lockheed Martin C-5M Super Galaxy leads on range, cargo payload, cruise speed, while Xi'an Aircraft Industrial Corporation (XAC) Y-20 leads on max speed, service ceiling, troop capacity. See the full spec sheet for the metric-by-metric breakdown.
Where does this comparison data come from? +
Every figure in the table is sourced from public manufacturer pages, defense-ministry releases and reference publications, and is verifiable on each system's spec page. WeaponSpecs does not accept vendor placement.
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