Allison T56-A-425
Allison T56-A-425 is a T56-family turboprop model identified by NAVAIR as the twin powerplant for the Grumman C-2A Greyhound. NAVAIR lists 4,600 shaft horsepower per engine; the exact C-2A installation is recorded on the aircraft family rather than implied for every T56-A-425 application.
Identity
- Aliases
- T56-A-425T56-A425Allison T56-A-425 turboprop
- Domains
- aviation
- Identity Level
- model
- Kind
- turboprop
- Name
- Allison T56-A-425
- Status
- unknown
Details
- Air Breathing Specs
- Shaft Power Kw
- 3430.22
- Description
- Allison T56-A-425 is a T56-family turboprop model identified by NAVAIR as the twin powerplant for the Grumman C-2A Greyhound. NAVAIR lists 4,600 shaft horsepower per engine; the exact C-2A installation is recorded on the aircraft family rather than implied for every T56-A-425 application.
- Family
Links
- Official Url
- https://www.navair.navy.mil/product/C-2
Assets & Meta
- Creation Time
- August 25, 2026 at 05:25:11 UTC
- Updated Time
- August 25, 2026 at 05:25:11 UTC
Other
- Search Name
- Allison T56-A-425 T56-A-425 T56-A425 Allison T56-A-425 turboprop
- Sources
- Accessed Date
- 2026-08-25
- Note
- NAVAIR identifies the C-2A as a high-wing, twin-engine aircraft powered by twin Allison T56-A-425 turboprops and lists 4,600 shaft horsepower per engine.
- Publisher
- Naval Air Systems Command
- Title
- C-2
- Accessed Date
- 2026-08-25
- Note
- The C-2A Greyhound entry identifies two Allison T56-A-425 turboprop engines at 4,600 horsepower each.
- Publisher
- Naval Air Force, U.S. Pacific Fleet
- Title
- Navy Aircraft: Carrier-Based
- Accessed Date
- 2026-08-25
- Note
- The existing T56 family source establishes the canonical T56 family context; it is not used to generalize the C-2A exact installation.
- Publisher
- Rolls-Royce
- Title
- T56