How much more reliable were the later model A and model G types and were their mechanical reliability still a significant hindrance? The Panther D deputed at the Battle of Kursk: Here's their record: 184 Panthers deployed 44 removed because of mechanical failure 56 removed because of damage caused by AT mines and enemy fire 58 Panthers completely lost by the end of Citadel -By Day 3 of the operation, only 40 out of 184 Panthers were operational -By Day 6 of the operation, only 10 out of 184 Panthers were operational Soviets launch counteroffensive and Panthers defend. 96 new Model D Panthers are delivered. German Panther strength in the East Front is now ~222. 98 more Panthers are lost by the end of the Soviet counter offensive, mostly due to abandonment rather than enemy fire.