Walter M601E-11
8 aircraft on the U.S. register carry a Walter M601E-11 engine, rated at about 751 horsepower. The Air Tractor Inc AT-401 is the model most often fitted with it (2 aircraft). The aircraft carrying it were built between 1966 and 2025.
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 Walter M601E-11. FAA spelling: M601E-11.
Fitted to model families
Model families, as a table
| aircraft | |
|---|---|
| Air Tractor Inc AT-401 | 2 |
| Ayres Corporation S-2 | 1 |
| Dehavilland DHC-3 | 1 |
| Egolf Mark COMPAIR 8 | 1 |
| Michael L Saxe LANCAIR IV-PT | 1 |
| Rosel George F LANCAIR IV-PT | 1 |
| Schweizer Aircraft Corp G-164 | 1 |
Air Tractor Inc AT-401 · Ayres Corporation S-2 · Dehavilland DHC-3 · Egolf Mark COMPAIR 8 · Michael L Saxe LANCAIR IV-PT · Rosel George F LANCAIR IV-PT · Schweizer Aircraft Corp G-164
Where they are owner's state
Kind of aircraft
By kind, as a table
| aircraft | share | |
|---|---|---|
| Turboprops | 6 | 75% |
| Piston singles | 2 | 25% |
What the FAA has certified, ordered and been told about the Walter M601E-11 the component layer
No FAA order in the current files names this engine series. Operators and repair shops have filed 24 failure reports with the FAA since 1995, 23 of them in the last ten years.
Failure reports 24 since · what operators and shops told the FAA
Failure reports by year, as a table
| reports | |
|---|---|
| 04 | 1 |
| 07 | 1 |
| 09 | 1 |
| 10 | 11 |
| 11 | 2 |
| 12 | 3 |
| 13 | 2 |
| 14 | 3 |
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
- Air Tractor Inc AT-401 2 with this engine series
- Ayres Corporation S-2 1 with this engine series
- Dehavilland DHC-3 1 with this engine series
- Schweizer Aircraft Corp G-164 1 with this engine series
- Texas 1 of these aircraft
- South Dakota 1 of these aircraft
- Nebraska 1 of these aircraft
- Montana 1 of these aircraft
- Iowa 1 of these aircraft
- Central Copters INC 1 of these aircraft
- Failure reports on the Walter M601E-11 24 reports since 1995
The whole map of how records connect · these connections as data: /graph/engine/walter-m601e-11.json.
Aircraft newest certificates first · 8
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N54XE | Michael L Saxe LANCAIR IV-PT |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2024-03-12 | ValidFAA registration status code V: Valid registration. All codes |
| N401KR | Air Tractor Inc AT-401 |
Fixed-wing, single engine | East Air Aviation LLC Cullman, Alabama |
Restricted | 2023-03-23 | ValidFAA registration status code V: Valid registration. All codes |
| N401NE | Air Tractor Inc AT-401B |
Fixed-wing, single engine | Individual owner Nebraska |
Restricted | 2022-10-13 | ValidFAA registration status code V: Valid registration. All codes |
| N773D | Schweizer Aircraft Corp G-164B |
Fixed-wing, single engine | Ce-Air INC Argyle, Iowa |
Restricted | 2021-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N751WC | Ayres Corporation S2R-R1820 |
Fixed-wing, single engine | Valley Spraying Service LLC Gann Valley, South Dakota |
Restricted | 2017-09-29 | ValidFAA registration status code V: Valid registration. All codes |
| N193CG | Rosel George F LANCAIR IV-PT |
Fixed-wing, single engine | Leading Edge Air LLC Highlands Ranch, Colorado |
Experimental | 2014-09-24 | ValidFAA registration status code V: Valid registration. All codes |
| N845X | Egolf Mark COMPAIR 8 |
Fixed-wing, single engine | Central Copters INC Bozeman, Montana |
Experimental | 2010-10-01 | ValidFAA registration status code V: Valid registration. All codes |
| N703TH | Dehavilland DHC-3 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2010-05-24 | ValidFAA registration status code V: Valid registration. All codes |
Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 27, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.