Model Variants (Including Prototypes)
Yak-3 - Base Production Series Designation
Yak-3 (VK-107A) - Fitted with Klimov VK-107A series engine of 1,650 horsepower; 2 x 20mm Berezin B-20 cannons.
Yak-3 (VK-108) - Based on the VK-107A model series; fitted with VK-108 series engine; 1 x 23mm Nudelmann-Suranov NS-23 cannon.
Yak-3K - "Tank Buster" Model; limited production; fitted with 1 x 45mm Nudelmann-Suranov NS-45 cannon.
Yak-3P - fitted with 3 x 20mm Berezin B-20 cannons.
Yak-3PD - Single Experimental High-Altitude Variant; fitted with Klimov VK-105PD engine; 1 x 23mm Nudelmann-Suranov NS-23 cannon.
Yak-3RD (Yak-3D) - Single Experimental Aircraft; fitted with Glushko RD-1 liquid-fuel rocket engine of 650lbf; 1 x 23mm Nudelmann-Suranov NS023 cannon.
Yak-3T - Single Prototype Example; "tank buster" model; fitted with 1 x 37mm Nudelmann type N-37 cannon and 2 x 20mm Berezin B-20S cannons.
Yak-3T-57 - Single Production Example; fitted with 57mm OKB-16-57 cannon; based on the Yak-3T model series.
Yak-3TK - fitted with exhaust turbocharger; powered by VK-107A series engine.
Yak-3U - Prototype Model; 2 x 20mm cannons; powered by Shvetsov ASh-82FN radial engine of 1,380 horsepower; increased wingspan.
Yak-3UTI - Two-Seat Conversion Trainer Model; fitted with Shvetsov ASh-21 radial piston engine; basis for Yak-11 series.