Leopard 1A 1 and leopard1a1a/tank.
From 197 1 year, the Federal Republic of Germany returned 1845 Leopard 1 prototype tanks to the factory for modification. The improvement projects include installing gun heat insulation sleeve and stabilizer, replacing new crawler and adding apron. The improved Leopard/KOOC-0/prototype tank is called Leopard/KOOC-0/A/KOOC-0/tank.
Later, the tank was modified, such as adding additional armor developed by blom Fowles to the turret and gun shield, and welding additional steel armor on the front armor plate of the car body, which improved the performance of the air filter. The improved Leopard 1A 1 tank is called Leopard1a1tank. The additional armor of turret is installed by bolt connection, which is detachable, and rubber washers are added at the front and back. The extra armor added 760 kilograms to the tank.
Leopard 1A2 tank: Of the 342 tanks produced in the fifth batch, 232 were manufactured according to the standard of Leopard 1A 1 tank, and high-strength cast steel turrets were installed, but the turrets and shields were not equipped with gap armor; Improved air filter; Three prevention devices and low-light-level night vision devices are added. These tanks are called Leopard 1A2 tanks.
Leopard 1A3 tank: The last batch of 1 10 tanks produced in the fifth batch were manufactured according to the standard of Leopard 1A2, and the turret was welded with notched armor and equipped with a wedge-shaped shield. The frame basket behind the original turret was moved to the inside of the turret to store the searchlights taken from above the artillery. The loader periscope can rotate and pitch. These tanks are called Leopard 1A3 tanks.
Leopard 1A4 tank: The 250 Leopard 1 tanks produced in the sixth batch are called Leopard 1A4 tanks, which are similar to Leopard 1A4 tanks, but equipped with integrated fire control system and automatic speed selector for speed change. The fire control system includes EPRI-R 12 perimeter stabilization telescope for commanders, EMES 12A 1 binocular stereo ranging sight for gunners, gun bidirectional stabilizer and FLER-HG hybrid ballistic computer.