Leopard 2 tanks are created on classical configuration: the mechanic-driver is in a forward part, the commander of the tank, operator and charger in a tower; the engine is located in a fodder part.
The models of all tanks, except А6 model has digital fire control systems with laser range-finders, fully stabilized 120-mm smooth-bore gun of Rheinmetall company L44 calibres, 7,62-mm coaxial machinegun, and antiaircraft gun, located on a tower roof. Besides, there is smoke screen system. Armored protection and control systems of fire was constantly modernised.
Leopard 2А6. The new tank has strengthened tower armor and additional anti mine protection. The main difference of new model is Rhl 120/L55 with increased on 11 calibres (1300 mm) in the length.
The engine is the MTU MB 873 diesel engine, providing 1,100kW (1,500shp), with a Renk HSWL 354 gear and break system. An enhanced version of the EuroPowerPack, with a 1,210kW (1,650shp) MTU MT883 engine, has been trialled on the Leopard 2. The weight of the tank has increased to 62 tons.