Pratt & Whitney R1340 series
1,230 aircraft on the U.S. register carry a Pratt & Whitney R1340 series engine, rated at about 600 horsepower. The North American AT-6 Texan is the model most often fitted with it (183 aircraft). The aircraft carrying it were built between 1933 and 2022.
The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Pratt & Whitney R1340 series. FAA spelling: R1340 SERIES.
Fitted to model families
North American AT-6 Texan183Grumman Acft Eng Cor-Schweizer G-164149North American SNJ-5 Texan (Navy)118North American T-6 Texan92Air Tractor Inc AT-30166Aero Commander S255Rockwell International S-254Air Tractor Inc AT-40152Ayres Corporation S-248Canadian Car & Foundry HARVARD MK IV43Schweizer Aircraft Corp G-16441North American SNJ-436
Model families, as a table
North American AT-6 Texan · Grumman Acft Eng Cor-Schweizer G-164 · North American SNJ-5 Texan (Navy) · North American T-6 Texan · Air Tractor Inc AT-301 · Aero Commander S2 · Rockwell International S-2 · Air Tractor Inc AT-401 · Ayres Corporation S-2 · Canadian Car & Foundry HARVARD MK IV
Where they are owner's state
Kind of aircraft
By kind, as a table
| aircraft | share | |
|---|---|---|
| Piston singles | 1,136 | 92% |
| Turboprops | 75 | 6% |
| Piston twins | 17 | 1% |
| Helicopters | 2 | 0.2% |
What the FAA has certified, ordered and been told about the Pratt & Whitney R1340 series the component layer
No FAA order in the current files names this engine series. Operators and repair shops have filed 58 failure reports with the FAA since 1995, 15 of them in the last ten years.
Failure reports 58 since · what operators and shops told the FAA
Failure reports by year, as a table
| reports | |
|---|---|
| 95 | 2 |
| 96 | 3 |
| 97 | 5 |
| 98 | 1 |
| 99 | 1 |
| 00 | 1 |
| 01 | 3 |
| 02 | 5 |
| 04 | 3 |
| 05 | 9 |
| 06 | 4 |
| 07 | 3 |
| 08 | 3 |
| 10 | 5 |
| 11 | 4 |
| 12 | 1 |
| 13 | 1 |
| 14 | 2 |
| 15 | 1 |
| 18 | 1 |
Parts most often reported as the reports name them
Cylinder6Engine4Cylinder Head3Exhaust Valve3Nut3Attach Angle2Roller2Strut2Angle1Battery1
Parts most reported, as a table
| reports | |
|---|---|
| Cylinder | 6 |
| Engine | 4 |
| Cylinder Head | 3 |
| Exhaust Valve | 3 |
| Nut | 3 |
| Attach Angle | 2 |
| Roller | 2 |
| Strut | 2 |
| Angle | 1 |
| Battery | 1 |
Latest reports
2018-08-02Throttle Arm: worn
2015-05-19Cam: worn
2014-08-24Cylinder: fractured
2014-07-28Engine: power loss
2013-04-24Bearing: failed
Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.
Connections how this engine series links to the rest of the register
Fitted to
- North American AT-6 Texan 183 with this engine series
- Grumman Acft Eng Cor-Schweizer G-164 149 with this engine series
- North American SNJ-5 Texan (Navy) 118 with this engine series
- North American T-6 Texan 92 with this engine series
- Air Tractor Inc AT-301 66 with this engine series
- Aero Commander S2 55 with this engine series
- Rockwell International S-2 54 with this engine series
- Air Tractor Inc AT-401 52 with this engine series
Where they are
- California 174 of these aircraft
- Texas 154 of these aircraft
- Washington 52 of these aircraft
- North Dakota 50 of these aircraft
- Delaware 46 of these aircraft
Biggest operators
- Hershey Flying Service INC 11 of these aircraft
- American Airpower Heritage Flying Museum 10 of these aircraft
- Mid Continent Aircraft CORP 8 of these aircraft
- Johnson Airspray INC 8 of these aircraft
- American Airpower Heritage Flying Museum INC 8 of these aircraft
Airworthiness
- Failure reports on the Pratt & Whitney R1340 series 58 reports since 1995
Analytics
The whole map of how records connect · these connections as data: /graph/engine/pratt-whitney-r1340-series.json.
Aircraft newest certificates first · 1,230
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N212TC | North American SNJ-5 |
Fixed-wing, single engine | Individual owner Colorado |
Experimental | ValidFAA registration status code V: Valid registration. All codes | |
| N3648S | Air Tractor Inc AT-301 |
Fixed-wing, single engine | Individual owner North Dakota |
Restricted | Sale reportedFAA registration status code 7. All codes | |
| N421QB | Canadian Car & Foundry HARVARD MK IV |
Fixed-wing, single engine | Individual owner Alaska |
Experimental | PendingFAA registration status code R: Registration pending. All codes | |
| N4536 | Grumman Acft Eng Cor-Schweizer G-164A |
Fixed-wing, single engine | Mid Continent Aircraft CORP Hayti, Missouri |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N45CT | North American T-6G |
Fixed-wing, single engine | Individual owner Washington |
Standard | Sale reportedFAA registration status code 7. All codes | |
| N50626 | Schweizer Aircraft Corp G164A |
Fixed-wing, single engine | Individual owner Texas |
Experimental | Sale reportedFAA registration status code 7. All codes | |
| N5508X | Aero Commander S2R |
Fixed-wing, single engine | Boeing CO Renton, Washington |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N55868 | Boeing E75 |
Fixed-wing, single engine | Individual owner Texas |
None on file | RevokedFAA registration status code 9: Registration certificate revoked. All codes | |
| N5603X | Aero Commander S2R |
Fixed-wing, single engine | Boeing CO Renton, Washington |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N5663X | Aero Commander S2R |
Fixed-wing, single engine | Mid Continent Aircraft CORP Hayti, Missouri |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N60380 | North American AT-6C |
Fixed-wing, single engine | Buffalo Aviation LLC Monette, Arkansas |
Standard | ValidFAA registration status code V: Valid registration. All codes | |
| N6106U | Air Tractor Inc AT-401B |
Fixed-wing, single engine | Individual owner Texas |
Restricted | PendingFAA registration status code R: Registration pending. All codes | |
| N6569 | Grumman G-164A |
Fixed-wing, single engine | Individual owner Pennsylvania |
Restricted | Sale reportedFAA registration status code 7. All codes | |
| N6716Q | Grumman Acft Eng Cor-Schweizer G-164A |
Fixed-wing, single engine | Individual owner Michigan |
Restricted | Sale reportedFAA registration status code 17: Sale reported, pending cancellation. All codes | |
| N6735K | Grumman Acft Eng Cor-Schweizer G-164C |
Fixed-wing, single engine | Mid Continent Aircraft CORP Hayti, Missouri |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N6793K | Grumman Acft Eng Cor-Schweizer G-164B |
Fixed-wing, single engine | Individual owner California |
Restricted | Sale reportedFAA registration status code 7. All codes | |
| N7501A | Schweizer Aircraft Corp G-164B |
Fixed-wing, single engine | Individual owner Alabama |
Restricted | Sale reportedFAA registration status code 7. All codes | |
| N7804B | North American AT-6D |
Fixed-wing, single engine | Gulf Airbatics LTD Jennings, Louisiana |
Standard | ValidFAA registration status code V: Valid registration. All codes | |
| N7849 | Grumman G-164A |
Fixed-wing, single engine | Individual owner Michigan |
Restricted | Sale reportedFAA registration status code 7. All codes | |
| N8151 | North American AT-6D |
Fixed-wing, single engine | Individual owner California |
Standard | PendingFAA registration status code R: Registration pending. All codes | |
| N8197K | Gulfstream-Schweizer A/C Corp GULFSTREAM AM G-164B |
Fixed-wing, single engine | Gulfstream Aerospace CORP Savannah, Georgia |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N8447V | Rockwell International S-2R |
Fixed-wing, single engine | Individual owner Nevada |
Restricted | PendingFAA registration status code R: Registration pending. All codes | |
| N8515H | Grumman Acft Eng Cor-Schweizer G-164A |
Fixed-wing, single engine | Mid Continent Aircraft CORP Hayti, Missouri |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N8608S | Air Tractor Inc AT-301 |
Fixed-wing, single engine | Mid Continent Aircraft CORP Hayti, Missouri |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N8639S | Air Tractor Inc AT-301 |
Fixed-wing, single engine | Bas Part Sales LLC Greeley, Colorado |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N888WV | North American T-6G |
Fixed-wing, single engine | Individual owner Minnesota |
Standard | Sale reportedFAA registration status code 17: Sale reported, pending cancellation. All codes | |
| N939HB | North American HARVARD 2 |
Fixed-wing, single engine | Easi Aircraft LLC Melbourne, Arkansas |
Standard | ValidFAA registration status code V: Valid registration. All codes | |
| N9768 | Grumman Acft Eng Cor-Schweizer G-164A |
Fixed-wing, single engine | Mid Continent Aircraft CORP Hayti, Missouri |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N995QC | Grumman Acft Eng Cor-Schweizer G-164B |
Fixed-wing, single engine | Individual owner Mississippi |
Restricted | Pending cancellationFAA registration status code 19: Registration pending, pending cancellation. All codes | |
| N996X | Grumman G-164A |
Fixed-wing, single engine | Mid Continent Aircraft CORP Hayti, Missouri |
Restricted | ValidFAA registration status code V: Valid registration. All codes |
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Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 8, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.