Infantry technology

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One-Time Techs

Name Prerequisite Difficulty Research Bonus Year Knowledge on Completion Effects
Airborne Infantry Infantry Anti-Tank Weapons - 3
Infantry Small Arms - 3
Infantry Support Weapons - 3
Light Artillery - 3
3 Infantry Practical 0.6
Infantry Theory 0.3
Land Combat Experience 0.1
1939 Infantry Theory Paratroopers - Activated
Rangers - Activated
Airborne Warfare Equipment Airborne Infantry 7 Land Combat Experience 0.7
Grand Battleplan Doctrine 0.3
1941 Grand Battleplan Doctrine Gurkhas - Supply Consumption -0.1, Transport Weight -1
Paratroopers - Supply Consumption -0.1, Transport Weight -1
Rangers - Supply Consumption -0.1, Transport Weight -1
Amphibious Warfare Equipment Marine Infantry 7 Land Combat Experience 0.7
Superior Firepower Doctrine 0.3
1940 Superior Firepower Doctrine Guards - Amphibious: Attack +10%
Marine - Amphibious: Attack +10%
Arctic Warfare Equipment Infantry Anti-Tank Weapons - 2
Infantry Small Arms - 2
Infantry Support Weapons - 2
Light Artillery - 2
4 Land Combat Experience 0.7
Human Wave Doctrine 0.3
1936 Human Wave Doctrine Alpini - Arctic: Attrition -1%
Chasseurs Alpins - Arctic: Attrition -1%
Guards - Arctic: Attrition -1%
Gurkhas - Arctic: Attrition -1%
Imperial Guards - Arctic: Attrition -1%
Infantry - Arctic: Attrition -1%
Marine - Arctic: Attrition -1%
Mountain - Arctic: Attrition -1%
Paratroopers - Arctic: Attrition -1%
Rangers - Arctic: Attrition -1%
Waffen SS - Arctic: Attrition -1%
Desert Warfare Equipment Infantry Anti-Tank Weapons - 2
Infantry Small Arms - 2
Infantry Support Weapons - 2
Light Artillery - 2
4 Land Combat Experience 0.7
Spearhead Doctrine 0.3
1938 Spearhead Doctrine Alpini - Desert: Attrition -1%
Chasseurs Alpins - Desert: Attrition -1%
Guards - Desert: Attrition -1%
Gurkhas - Desert: Attrition -1%
Imperial Guards - Desert: Attrition -1%
Infantry - Desert: Attrition -1%
Marine - Desert: Attrition -1%
Mountain - Desert: Attrition -1%
Paratroopers - Desert: Attrition -1%
Rangers - Desert: Attrition -1%
Waffen SS - Desert: Attrition -1%
Engineer Brigade Industrial Production (Industry technology) - 1 3 Infantry Practical 0.6
Infantry Theory 0.3
Land Combat Experience 0.1
1935 Infantry Theory Engineer - Activated
Infantry Division Militia Anti-Tank Weapons - 1
Militia Light Artillery - 1
Militia Small Arms - 1
Militia Support Weapons- 1
1 Infantry Practical 0.7
Infantry Theory 0.3
1918 Infantry Theory Infantry - Activated
Guards - Activated
Jungle Warfare Equipment Infantry Anti-Tank Weapons - 2
Infantry Small Arms - 2
Infantry Support Weapons - 2
Light Artillery - 2
4 Land Combat Experience 0.7
Grand Battleplan Doctrine 0.3
1939 Grand Battleplan Doctrine Infantry - Jungle: Attrition -1
Marine - Jungle: Attrition -1
Mountain - Jungle: Attrition -1
Paratroopers - Jungle: Attrition -1
Marine Infantry Infantry Anti-Tank Weapons - 2
Infantry Small Arms - 2
Infantry Support Weapons - 2
Light Artillery - 2
3 Infantry Practical 0.6
Infantry Theory 0.3
Land Combat Experience 0.1
1937 Infantry Theory Imperial Guards - Activated
Marine - Activated
Motorised Infantry Cavalry Anti-Tank Weapons - 3
Cavalry Light Artillery - 3
Cavalry Small Arms - 3
Cavalry Support Weapons - 3
3 Mobile Unit Practical 0.6
Mobile Unit Theory 0.3
Armour Practical 0.1
1938 Mobile Unit Theory Motorised - Activated
Motorised A-A - Activated
Waffen SS - Activated
Mountain Infantry Infantry Anti-Tank Weapons - 1
Infantry Small Arms - 1
Infantry Support Weapons - 1
Light Artillery - 1
3 Infantry Practical 0.7
Infantry Theory 0.3
1918 Infantry Theory Alpini - Activated
Chasseurs Alpins - Activated
Gurkhas - Activated
Mountain - Activated
Mountain Warfare Equipment Infantry Anti-Tank Weapons - 2
Infantry Small Arms - 2
Infantry Support Weapons - 2
Light Artillery - 2
4 Land Combat Experience 0.7
Human Wave Doctrine 0.3
1936 Human Wave Doctrine Alpini - Mountains: Attrition -1.5%, Attack +10%, Defence +10%
Chasseurs Alpins - Mountains: Attrition -1.5%, Attack +10%, Defence +10%
Guards - Mountains: Attrition -1%
Gurkhas - Mountains: Attrition -1.5%, Attack +10%, Defence +10%
Imperial Guards - Mountains: Attrition -1%
Infantry - Mountains: Attrition -1%
Marine - Mountains: Attrition -1%
Mountain - Mountains: Attrition -1.5%, Attack +10%, Defence +10%
Paratroopers - Mountains: Attrition -1%
Rangers - Mountains: Attrition -1%
Waffen SS - Mountains: Attrition -1%
Night Fighting Equipment Radio Technology (Industry technology) 10 Infantry Practical 0.6
Infantry Theory 0.3
Land Combat Experience 0.1
1944 Infantry Theory Alpini - Night: Attack +10%
Chasseurs Alpins - Night: Attack +10%
Guards - Night: Attack +10%
Gurkhas - Night: Attack +10%
Imperial Guards - Night: Attack +10%
Infantry - Night: Attack +10%
Marine - Night: Attack +10%
Mountain - Night: Attack +10%
Paratroopers - Night: Attack +10%
Rangers - Night: Attack +10%
Waffen SS - Night: Attack +10%

Note, while appearing on the Infantry tab, Mechanized Infantry is located in the data file for Armour technology.

Amphibious Warfare Equipment currently affects Guards. It is most likely a bug, with the bonus intended for Imperial Guards, which unlike Guards are activated by the Marine Infantry technology.

Scaled Techs

Maximum level of 12

Name Prerequisite Difficulty Research Bonus Start Year First Offset Additional Offset Knowledge on Completion Effects
Assault Weapons Engineer Brigade 3 Infantry Practical 0.6
Infantry Theory 0.3
Superior Firepower Doctrine 0.1
1939 1940 2 Infantry Theory Engineer - Soft Attack +0.2, Hard Attack +0.2, Fort: Attack +10$, Forest: Attack +1%, Jungle: Attack +2%, Urban: Attack +2%
Bridging Equipment Engineer Brigade 3 Infantry Practical 0.6
Infantry Theory 0.3
Spearhead Doctrine 0.1
1939 1940 2 Infantry Theory Engineer - River: Attack +5%, Movement +5%
Cavalry Anti-Tank Weapons 0 Mobile Unit Practical 0.6
Mobile Unit Theory 0.3
Artillery Practical 0.1
1918 1934 2 Mobile Unit Theory Cavalry - Hard Attack +0.1, Piercing Attack +0.5, Maximum Speed -0.01
Cavalry Light Artillery 0 Mobile Unit Practical 0.5
Mobile Unit Theory 0.3
Artillery Practical 0.2
1918 1934 2 Mobile Unit Theory Cavalry - Toughness +0.4, Maximum Speed -0.03
Cavalry Small Arms 0 Mobile Unit Practical 0.6
Mobile Unit Theory 0.3
Human Wave Doctrine 0.1
1918 1934 2 Mobile Unit Theory Cavalry - Soft Attack +0.5
Cavalry Support Weapons 0 Mobile Unit Practical 0.6
Mobile Unit Theory 0.3
Militia Practical 0.1
1918 1934 2 Mobile Unit Theory Cavalry - Defensiveness +0.5, Maximum Speed -0.02
Improved Security Units 1 Infantry Practical 0.7
Infantry Theory 0.3
1939 1942 3 Infantry Theory Military Police - Suppression +2
Infantry Anti-Tank Weapons Infantry Division 1 Infantry Practical 0.6
Infantry Theory 0.3
Artillery Practical 0.1
1918 1936 2 Infantry Theory Alpini - Hard Attack +0.25, Piercing Attack +1
Chasseurs Alpins - Hard Attack +0.25, Piercing Attack +1
Guards - Hard Attack +0.25, Piercing Attack +1
Gurkhas - Hard Attack +0.25, Piercing Attack +1
Imperial Guards - Hard Attack +0.25, Piercing Attack +1
Infantry - Hard Attack +0.25, Piercing Attack +1
Marine - Hard Attack +0.2, Piercing Attack +0.5
Mechanized - Hard Attack +0.25, Piercing Attack +1
Motorized - Hard Attack +0.25, Piercing Attack +1
Mountain - Hard Attack +0.2, Piercing Attack +0.5
Paratroopers - Hard Attack +0.2, Piercing Attack +0.5
Rangers - Hard Attack +0.25, Piercing Attack +1
Waffen SS - Hard Attack +0.25, Piercing Attack +1
Infantry Support Weapons Infantry Division 0 Infantry Practical 0.6
Infantry Theory 0.3
Superior Firepower Doctrine 0.1
1918 1936 2 Infantry Theory Alpini - Defensiveness +0.8
Chasseurs Alpins - Defensiveness +0.8
Guards - Defensiveness +0.8
Gurkhas - Defensiveness +0.8
Imperial Guards - Defensiveness +0.8
Infantry - Defensiveness +0.8
Marine - Defensiveness +0.8
Mechanized - Defensiveness +0.8
Motorized - Defensiveness +0.8
Mountain - Defensiveness +0.8
Paratroopers - Defensiveness +0.8
Rangers - Defensiveness +0.8
Waffen SS - Defensiveness +0.8
Light Artillery Infantry Division 1 Infantry Practical 0.5
Infantry Theory 0.3
Artillery Practical 0.2
1918 1936 2 Infantry Theory Alpini - Toughness +0.6
Chasseurs Alpins - Toughness +0.6
Guards - Toughness +0.6
Gurkhas - Toughness +0.6
Imperial Guards - Toughness +0.6
Infantry - Toughness +0.6
Marine - Toughness +0.6
Mechanized - Toughness +0.6
Motorized - Toughness +0.6
Mountain - Toughness +0.6
Paratroopers - Toughness +0.6
Rangers - Toughness +0.6
Waffen SS - Toughness +0.6
Militia Anti-Tank Weapons 0 Militia Practical 0.6
Militia Theory 0.3
Artillery Practical 0.1
1918 1934 2 Militia Theory Militia - Hard Attack +0.1, Piercing Attack +0.5
Partisans - Hard Attack +0.1, Piercing Attack +0.5
Garrison - Hard Attack +0.15, Piercing Attack +0.5
Militia Light Artillery 0 Militia Practical 0.5
Militia Theory 0.3
Artillery Practical 0.2
1918 1934 2 Militia Theory Militia - Toughness +0.1
Partisans - Toughness +0.1
Garrison - Toughness +0.1
Militia Small Arms 0 Militia Practical 0.6
Militia Theory 0.3
Human Wave Theory 0.1
1918 1934 2 Militia Theory Land Fort - Activated
Militia - Soft Attack+0.3
Partisans - Soft Attack +0.3
Garrison - Soft Attack +0.4
Militia Support Weapons 0 Militia Practical 0.6
Militia Theory 0.3
Infantry Practical 0.1
1918 1934 2 Militia Theory Underground Resistance - Activate
Militia - Defensiveness +0.5
Partisans - Defensiveness +0.5
Garrison - Defensiveness +0.5
Small Arms Infantry Division 0 Infantry Practical 0.6
Infantry Theory 0.3
Grand Battleplan Doctrine 0.1
1918 1936 2 Infantry Theory Alpini - Soft Attack +0.6
Chasseurs Alpins - Soft Attack +0.6
Guards - Soft Attack +0.6
Gurkhas - Soft Attack +0.6
Imperial Guards - Soft Attack +0.6
Infantry - Soft Attack +0.6
Marine - Soft Attack +0.6
Mechanized - Soft Attack +0.6
Motorized - Soft Attack +0.6
Mountain - Soft Attack +0.6
Paratroopers - Soft Attack +0.6
Rangers - Soft Attack +0.6
Waffen SS - Soft Attack +0.6