The Soloviev D-25V is a Soviet gas-turbine turboshaft engine for use in large helicopters. Designed and originally manufactured by the Soloviev Design Bureau the engine has been in production since May 1960. The power unit consists of two engines coupled to a gearbox weighing 3,200 kg (7,050 lb).
The V in the designation means vertoletny (), for helicopters.
Variants
D-25VStandard helicopter use production engines
D-25VFAdditional compressor zero-stage, power output
D-25VKA combined propeller and shaft output engine for the Kamov Ka-22 developing
Applications
Mi-6 helicopter
Mi-10 helicopter
Mi-10K "flying crane" helicopter
Mi-12 helicopter
Kamov Ka-22 compound helicopter
Yakovlev Yak-60 heavy lift helicopter (concept cancelled during design stage)
Specifications (D-25V)