Description
Product Description
This listing consists of a Pratt & Whitney FT4 A-9 Twin Pac gas turbine power plant, configured as an aero-derivative twin-unit package (TP4-2). The system delivers a total output of 42 MW and is designed for 60 Hz operation.
The unit was originally manufactured in 1971 and has accumulated 2,108 total operating hours with 288 starts, indicating relatively low usage over its lifecycle. The system remains installed in the USA and is configured for operation on both natural gas and liquid fuels (jet fuel / light distillates) .
A detailed condition summary highlights the status of both gas turbine engines within the Twin Pac configuration:
- Engine 1 underwent a shop repair/overhaul in October 2023, with 1,067 hours and 150 starts since overhaul, and was last operated in October 2025. It has been removed from service due to a chip detector alarm, with the root cause currently unspecified.
- Engine 2 has accumulated 2,108 total hours and 288 starts, was last operated in November 2025, and is reported to be in service with no known issues .
The package includes a generator and control system, with supporting infrastructure integrated into the installed plant configuration.
Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Pratt & Whitney |
| Model | FT4 A-9 Twin Pac (TP4-2) |
| Unit Type | Aero-Derivative Gas Turbine Power Plant (Twin Pac) |
| Year of Manufacture | 1971 |
| Total Operating Hours | 2,108 hours |
| Starts | 288 |
| Power Output | 42 MW (Twin Pac total) |
| Quantity | 1 unit |
| Location | USA |
| Status | Installed |
| Fuel | Natural Gas / Liquid Fuels (Jet Fuel, Light Distillates) |
| Frequency | 60 Hz |
| Thermal Efficiency | ~34–35% (simple cycle) |
Generator & Control System
Generator:
- Manufacturer: Electric Machinery
- Rating: 46.5 MVA
- Voltage: 13.8 kV
- Power Factor: 0.90
- Phases: 3
- Exciter: Brushless (shaft-mounted)
- Rated Field Current: 480 A
- Rated Field Voltage: 250 V
Generator Condition:
- Last overhaul: December 2003
- Hours since overhaul: 4,438 hours
- Starts since overhaul: 1,102
- Current condition: No known issues
Control System:
- Rockwell ControlLogix PLC-based system (upgraded approximately 2008)
Condition Summary
- Twin Pac configuration with two FT4 engines
- One engine recently overhauled (2023) with limited post-overhaul hours
- Second engine operational with no reported issues
- Installed configuration suitable for continued operation or relocation subject to buyer requirements
If you require any further information on this listing please contact info@reflowx.com
Supporting Documents
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