page_title: Kuznetsov NK-12
hierarchical_section_title: Kuznetsov NK-12
caption_attribution_description: English: Antonov An-22 "Antaeus" (The international aerospace salon MAKS-2009) Русский: Ан-22А "Антей" (Международный авиакосмический салон МАКС-2009)
context_page_description: The Kuznetsov NK-12 is a Soviet turboprop engine of the 1950s, designed by the Kuznetsov design bureau. The NK-12 drives two large four-bladed contra-rotating propellers, 5.6 m diameter, and 6.2 m diameter. It is the most powerful turboprop engine to enter service.
context_section_description: The Kuznetsov NK-12 is a Soviet turboprop engine of the 1950s, designed by the Kuznetsov design bureau.  The NK-12 drives two large four-bladed contra-rotating propellers, 5.6 m (18 ft) diameter (NK-12MA), and 6.2 m (20 ft) diameter (NK-12MV). It is the most powerful turboprop engine to enter service.
caption: A pair of Kuznetsov NK-12MAs installed on an Antonov An-22
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