Pratt & Whitney X-1800
| X-1800 (XH-2600) | |
|---|---|
| Type | 24-cylinder H-engine |
| National origin | United States |
| Manufacturer | Pratt & Whitney |
| First run | 1940 |
| Number built | 1 |
The Pratt & Whitney X-1800 (later enlarged as the XH-2600) was an H-block aircraft engine project developed between 1938 and 1940, which was cancelled with only one example being built.