Here you can write description of your tech tree as a whole.

Rank I
Leichttraktor 1.0
Pz.35(t) 1.0
Pz.I 1.0
Pz.I C 1.3
Pz.II C 1.3
Pz.Kpfw. II Luchs 1.3
Pz.38(t) A 1.3
Pz.II F 2.0
Pz.38(t) n.A. 2.3
Pz.III E 1.0 ,,
Pz.IV A 1.3 ,,
Pz.Kpfw. III/IV 2.0 ,,
Pz.III J 2.3 ,,
Durchbruchswagen 2 1.7 ,,,
Panzerjäger 1.3 ,
Marder 38T 1.3 ,
Marder II 2.0 ,
StuG III A 2.3 ,
G.Pz. Mk. VI (e) 1.0 ,
15cm sIG 33 B Sfl 1.0 ,
Sturmpanzer I Bison 1.3 ,
Wespe 1.7 ,
Pz.II C (DAK) 1.3
Pz. T 15 1.3
Pz. S35 1.3 ,,
Großtraktor 1.3 ,,
Pz. T 25 2.3 ,,
Rank II
VK 2801 mit 10,5 cm L/28 3.3
VK 1602 Leopard 3.7
VK 2801 4.0
VK 2001 (D) 3.0 ,,
Pz.IV D 3.0 ,,
VK 3001 (D) 3.3 ,,
Pz.IV F2 3.3 ,,
Pz.IV H 3.7 ,,
VK 3001 (H) 3.7 ,,
VK 3001 (P) 4.0 ,,,
VK 3601(H) 4.0 ,,,
StuG III G 4.0 ,
Sturer Emil 4.0 ,
Grille 2.7 ,
Pz.Sfl. IVb 2.7 ,
Hummel 4.0 ,
Nashorn 4.0 ,
Pz.III K 3.0 ,,
Pz.IV S 4.0 ,,
Pz. B2 2.7 ,,,
VK 6501 (H) 4.0 ,,,
Dicker Max 3.7 ,
Rank III
SPz I C 5.7
VK 3002 5.0 ,,
Panther D 5.3 ,,
VK 3002 (D) 5.3 ,,
Tiger H1 5.7 ,,,
Jagdpanzer IV 4.3 ,
Jagdpanzer 38(t) Hetzer 4.3 ,
StuG IV 4.3 ,
Pz.Sfl. IVc 5.0 ,
G.W. Panther 5.3 ,
Turan III 4.0 ,,
Panther/M10 4.3 ,,
Tiger 131 5.7 ,,,
VK 4503 5.7 ,,,
Waffenträger 5.7 ,
Kanonenjagdpanzer 105 6.0 ,
Rank IV
HWK 12 6.7
Ru 251 7.3
Panther II 7.0 ,,
Indien-Pz. 7.0 ,,
Pz.Bef.Wg.VI 5.7 ,,,
VK 4502 (A) 6.0 ,,,
VK 4502 (B) 6.3 ,,,
VK 10001 (P) 6.7 ,,,
Tiger II (P) 6.7 ,,,
VK 100.01 Prototype (B) 6.7 ,,,
Pz.VII 7.0 ,,,
VK 72.01 (K) 7.0 ,,,
Rhm.-B. Waffenträger 6.0 ,
Jagdpanther G1 6.3 ,
Waffenträger auf Pz.IV 6.3 ,
Ferdinand 6.7 ,
Jagdtiger 6.7 ,
Jagdpanther II 6.7 ,
G.W. Tiger (P) 6.7 ,
G.W. Tiger 7.0
HWK 30 6.7
Löwe 7.0 ,,,
Rank V
Rhm. Pzw. 7.7
E-50 7.0 ,,
Leopard Prototype (A) 7.3 ,,
Kampfpanzer 50 t 7.3 ,,
E 50 (M) 7.7 ,,
Kunze Panzer 7.7 ,,
E 50 (M) 7v7 7.7 ,,
Leopard I 8.0 ,,
Mäuschen 7.3 ,,,
E-75 7.3 ,,,
Kampfpanzer 07 P(E) 7.3 ,,,
Maus 7.7 ,,,
E-100 7.7 ,,,
Maus 7v7 7.7 ,,,
Schwertwal 8.0 ,,,
Windhund 7.0 ,
Jagdpanzer E 100 7.7 ,
Grille 15 7.7 ,
Jagdpanzer E 100 7x7 7.7 ,
Kanonenpanzer 3 Projekt 07 HK 8.0 ,
Waffenträger auf E 100 Phönix 8.0 ,
G.W.E 100 7.7 ,
M48A2 C 7.7 ,,
Rank VI
Borkenkäfer 8.3
Leopard 120 8.3 ,,
Taschenratte 8.3 ,,,
Hirschkäfer 8.3 ,
T-55A 8.3 ,,