The Fw 190 D-13 was the near pinnacle of German piston engine technology. The most notable change to the potent and successful Fw 190 fighter design was the late-war addition of a Junkers Jumo engine in the place of the earlier versions equipped with BMW radials. These “long-nosed” Focke-Wulfs, “D-models,” also had a stretched aft fuselage to maintain the fighter’s center of gravity.

D-model fighters proved to be the most successful examples of the 190 series, competing with the P-51 Mustang and late-model Spitfires on even terms. However, Germany’s lack of well-trained pilots and shortage of fuel at the late stages of the war made the new Fw 190 D a less than effective weapon.

https://flyingheritage.org/Explore/The-Collection/Germany/Focke-Wulf-Fw-190-D-13-(Dora).aspx