The WALTER M601 is a two-shaft turboprop engine of reverse flow layout. The engine features two basic parts: the gas generator and power section. The gas generator consists of two stage axial and one stage centrifugal compressor, annular combustor and one stage axial turbine. An accessory gearbox with instruments necessary for engine operation and power control is situated on the rear part of the compressor air intake casing. An oil tank is an integral part of the accessory gearbox. The power section is mounted on the front part of the gas generator. This section consists of one stage axial turbine, exhaust system and two stage reduction gearbox with a torquemeter and propeller shaft. The propeller governor is situated on the reduction gearbox and provides the control of the hydraulic actuated propeller including the reverse thrust angle adjustment.

The engine is equipped with a system of electronic limiters which protects the engine against overload. The engine is modified for installation of automatic feathering system.

M601 models basic technical data