Battle of Kursk the total size of the Soviet force was 1,910,361 men, with 1,426,352 actual combat soldiers. Soviet armour strength included 4,869 tanks (including 205 KV-1s heavy tank) and 259 SPGs (including 25 SU-152s, 56 SU-122s and 67 SU-76s) Overall a third of the Soviet tanks at Kursk were light tanks, but in some units this proportion was considerably higher. Of the 3,600 tanks in the Central and Voronezh Fronts in July 1943, 1,061 were light as T-60 and T-70. With very thin armor and small gun, they were unable to effectively engage the frontal armour of German medium and heavy tanks
Battle of Kursk retreat and increasingly lost tanks in combat as well as from abandoning and destroying damaged vehicles. Across the entire Eastern Front 50 Tiger tanks were lost during July and August, with some 240 damaged. Most of these occurred during their offensive at Kursk. Between 600 to 1,612 tanks and assault guns sustained damage in the period from 5 July to 18 July. The total number of German tanks and assault guns destroyed during July and August along the entire Eastern Front amount to 1,331. Of these, Frieser estimates that 760 were destroyed during the Battle of Kursk. Beevor writes that