What Is CH-53K King Stallion? What Does It Do? Lockheed Martin Sikorsky’s New-Generation Heavy Helicopter

The new-generation heavy-lift helicopter of the U.S. Marine Corps, Lockheed Martin Sikorsky CH-53K King Stallion, is the West’s most powerful heavy helicopter with 16-ton external load capacity. Successor to CH-53E Super Stallion, operational since 2018; connections drawn with TUSAŞ T625 GÖKBEY, T70 Black Hawk license production, and the heavy helicopter program in development in Türkiye.
What Is It?
CH-53K King Stallion is a three-engine heavy cargo helicopter developed by the former Sikorsky Aircraft (a Lockheed Martin subsidiary since 2015). Successor to CH-53E Super Stallion; fully digital, fly-by-wire controls, T408-GE-400 engines (3 × 7,500 SHP), composite airframe, and flight safety automation are key features. It can carry M777 howitzer, JLTV, and Humvee on external hooks.
What Does It Do?
CH-53K is the primary USMC platform for Vertical Heavy Lift (VHL) missions — ship-shore, shore-inland heavy cargo, force projection, MEDEVAC, and resupply. Single-lift external load of 16 tons over 200 km range. Internal load 12.2 tons; the ability to carry 12+ ton loads single-lift makes it the only NATO heavy helicopter solution.
Technical Specifications
| Specification | Value |
|---|---|
| Class | Three-engine heavy cargo helicopter |
| Length | 30.2 m |
| Rotor diameter | 24 m |
| Empty weight | 15,071 kg |
| Max takeoff | 39,916 kg |
| Engine | 3 × GE T408-GE-400 (3 × 7,500 SHP) |
| Speed | 315 km/h |
| Range | 842 km (empty) |
| Internal load | 12,247 kg |
| External load (hook) | 16,330 kg (3-point) |
| Crew | 5 (pilot + 4 crew) |

Who Bought It, At What Price?
CH-53K unit cost is 122 million USD. USMC plans 200 units; 33 delivered by 2024. Israel ordered 12 (2021), Germany contracted 60 (2022). UK and India in evaluation.
| Operator | Units | Configuration | Year |
|---|---|---|---|
| USMC | 200 (planned) | CH-53K | 2018— |
| Israel | 12 | CH-53K | 2025 delivery |
| Germany | 60 | CH-53K | 2024 contract |
| United Kingdom (evaluating) | – | CH-53K | 2027 |
| India (evaluating) | – | CH-53K | 2026 |
Comparison With Turkish Counterpart
Türkiye’s CH-53K equivalent is not yet in serial production but the roadmap is clear: TUSAŞ Heavy Cargo Helicopter (planned domestic TS1400-derivative engine), T70 Black Hawk license production (medium-class alternative), and T625 GÖKBEY (light multi-role). Short-term, since CH-47 Chinook-class procurement from the U.S. is blocked, domestic R&D was accelerated. Türkiye plans a Mi-26-class domestic heavy helicopter program for after 2030.
| Criterion | CH-53K (LM Sikorsky) | T70 Black Hawk (TUSAŞ license) | TUSAŞ Heavy Helicopter (planned) |
|---|---|---|---|
| Class | Heavy cargo | Medium multi-role | Heavy cargo (planned) |
| Max external load | 16.3 tons | 4 tons | 12+ tons (goal) |
| Engine | 3 × T408 | 2 × T700 | Domestic (planned) |
| Crew + passengers | 5 + 30 | 4 + 12 | 5 + 24 (goal) |
| Range | 842 km | 580 km | 700+ km (goal) |
| Status | Operational | License production | Concept |
| Domestic content | Imported | 50%+ (license) | 80%+ (planned) |
Frequently Asked Questions
Can Türkiye buy CH-53K?
When is TUSAŞ heavy helicopter program?
Is T70 Black Hawk sufficient?
Why is CH-53K’s engine so powerful?
Why did Germany choose CH-53K?
Conclusion
CH-53K is NATO’s only modern solution in the heavy helicopter category. Türkiye’s T625 + T70 + planned heavy helicopter ecosystem provides both domestic and export capacity in the medium class; in the heavy category, independence will be achieved through the maturation of a Mi-26-class domestic program in the 2030s.
Sources
- Wikipedia: Sikorsky CH-53K King Stallion
- Lockheed Martin Sikorsky CH-53K program
- USMC briefings
- TUSAŞ T70 and T625 product pages
- Janes Rotorcraft 2024

