Walter M601 Explained

The Walter M601 is a turboprop aircraft engine produced by Walter Aircraft Engines of the Czech Republic. The company's first turboprop, the M601 is used in business, agricultural and military training aircraft.

Development

The turboprop was designed for use on the Let L-410 and the M601 first ran in 1967. It was not suitable for the prototype L-410 and the company developed an upgraded version, the M601A, with a slightly wider diameter.

Variants

M601A:
  • Initial production variant for early version of the Let L410.
    M601B:
  • Production variant for the Let L410UVP.
    M601D
  • Developed for the Let L410UVP.
    M601D-1:
  • Agricultural variant for high-cycle operation, used on the PZL Kruk and Ayres Thrush.
    M601D-2:
  • Special variant for paradrop aircraft, used on the Do 28 and some Finist conversions.
    M601D-11:
  • Agricultural and paradrop variant with a higher Time Between Overhaul of up to 1800 hours.
    M601D-11NZ:
  • Downrated variant for use in the FU-24 Fletcher.
    M601E:
  • Developed for the Let L410UVP-E.
    M601E-11:
  • General use engine with sub-variants of differing TBO.
    M601E-11A:
  • Variant of the 11 for use at higher operating altitudes and modified with a low pressure bleed air system for pressurised aircraft.
    M601E-21:
  • Variant for the L410-UVP-E used for hot and high operations.
    M601F:
  • Variant intended for use on the L420.
    M601FS:
  • M601F-11:
  • M601F-22:
  • M601F-32:
  • M601FS:
  • M601T:
  • Aerobatic variant for use on the PZL Orlik.
    M601H-80: now the GE Aerospace Czech H80
  • M601Z:
  • Agricultural variant for use on the Z-37T.

    Applications

    External links