[6] The SD-44 was a 1950s variant with an auxiliary propulsion unit and ammunition box for 10 rounds, with 697 issued to the airborne forces (VDV) from 1954.

[9] The post-war round O-365K HE weighed 9.5 kg and packed 741 grams of TNT as its bursting charge, while the BK-2M HEAT-FS (fin-stabilized) projectile can penetrate 300 mm of armor.

The HEAT round for the Type 56 has a maximum range of 970 meters and will penetrate 100 mm of armor at an angle of 65 degrees.

[9] The D-44 also served as the basis from which the 85 mm antitank gun D-48 was developed and also the RPU-14 multiple rocket launcher uses the D-44's carriage.

Besides East Germany, other users include(d) Albania, Algeria, Armenia, Azerbaijan, Bulgaria, Cambodia, China (Type 56), Cuba, Egypt, Georgia, Guinea, Guinea-Bissau, Hungary, Iran, Iraq, North Korea, Laos, Mali, Morocco, Mozambique, Poland, Romania, Somalia, Sri Lanka, Sudan, Syria, Vietnam[16] and Zambia [17] Russia has deployed D-44s in Ukraine.