M337A / M337AK / M337C
M337A – for a towable adjustable propeller, capable of basic aerobatics with a back position within 5 seconds, kicking elements prohibited, operating overload limit +6g, -3.5g
M337AK – for adjustable propeller, oil system modified for full aerobatics and inverted flight, kicking elements prohibited, operating overload limit +6g, -3.5g
M337C – with switchable compressor, adjustable propeller (with blades in flagging and reverse positions), oil system modified for full aerobatics and inverted flight, kicking elements prohibited, operating overload limit +8g, -5g
| M337A/AK | M337C | |
| Length (mm) | 1 410 | 1 437 |
| Width (mm) | 444 | 496 |
| Height (mm) | 628 | 642 |
| Dry weight (kg) | 153 | 153 |
| Stroke volume (L) | 5,97 | 5,97 |
| Compression ratio (-) | 6,3 : 1 | 7,4 : 1 |
M337A/AK
The characteristics listed are with the compressor switched on; the characteristics with the compressor switched off are identical to those of the M137A types.
| Max. take-off | Max. permanent | Max. travel | Economic travel | |
| Power (kW/k) | 154,5 / 210 | 125 / 170 | 103 / 140 | 93 / 126,5 |
| RPM (1/min) | 2 750 | 2 600 | 2 400 | 2 300 |
| Fuel consumption (L/hr) | 67 | 53,5 | 41 | 36 |
M337C
The characteristics listed are with the compressor switched on; the characteristics with the compressor switched off are identical to those of the M137A types.
| Max. take-off | Max. permanent | Max. travel | Economic travel | |
| Power (kW/k) | 185 / 251,6 | 147 / 200 | 108 / 147 | 102 / 139 |
| RPM (1/min) | 3 000 | 2 700 | 2 400 | 2 300 |
| Fuel consumption (L/hr) | 99 | 65 | 40 | 38 |
Ground and altitude characteristics
M337A/AK | M337C | ||
M337A | M337AK | M337B / M337C |







