Type 4

Type 4 or Type Four may refer to:

• Type 4 Chi-To, a Japanese tank
• Type 4 Ke-Nu, a Japanese tank
• Type 4 Ka-Tsu, a Japanese amphibious landing craft
• Type 4 Ho-Ro, a Japanese self-propelled gun
• Type 4 Ha-To, a Japanese self-propelled gun
• Type 4 75 mm AA gun, a Japanese anti-aircraft gun
• Rota Gun, anti-tank rocket launchers
• Type 4 20 cm rocket launcher, a Japanese mortar rocket
• Type 4 15 cm howitzer, a Japanese howitzer
• Type 4 rifle, a Japanese experimental rifle

• British Railways Type 4 Diesel locomotives
• Type Four platform, a front-wheel-drive car platform
• Volkswagen Type 4, a four-door sedan
• Peugeot Type 4

• Type 4 encryption, an encryption algorithm
• Type IV collagen, a class of collagen
• Type-4 hypersensitivity, a class of Hypersensitivity reactions that involves T-cells
• IEC Type IV, one of the four "type" classifications of audio cassette formulation

• 4 (disambiguation)
• Category 4 (disambiguation)
• Class 4 (disambiguation)