Wikia

Tiberium
GDI	Medium tank • Disruptor • Predator Tank • Mammoth Tank ( Mk. I / Mk. III / Mk. IV ) • MARV • Shepard tank • Hunter Tank • Spartan tank • Refractor • Rhino tank • Wolf
Nod	Light Tank ( I / II ) • Tick tank • Stealth Tank ( I / II / III / IV ) • Scorpion Tank ( I / II ) • Flame Tank ( I / II / III / IV ) • Spider tank • Widow • Avenger
Scrin	Devourer Tank • Seeker • Mechapede

Red Alert
Allies	Light Tank ( I / II ) • Medium tank • Chrono Tank ( I / II ) • Grizzly Tank • Paladin tank • Prism Tank ( I / II ) • Mirage Tank ( I / II ) • Tank destroyer • Battle Fortress • Robot tank • Guardian Tank • Future Tank X-1
Soviets	Heavy Tank ( I / II ) • Tesla Tank ( I / II / III ) • Mammoth tank • MAD tank • Super tank • Apocalypse Tank ( I / II ) • Rhino Heavy Tank • Hammer Tank • Grinder
Empire	Tsunami Tank
Yuri	Lasher Light Tank • Gattling tank • Magnetron • Mastermind

Generals
USA	Crusader tank/Laser Tank • Paladin tank • Microwave Tank
China	Battlemaster tank • Gatling tank • Dragon tank • ECM tank • Overlord tank/Emperor Overlord tank
GLA	Scorpion tank ( I / II ) • Marauder tank
EU	Paragon tank • Aegis tank
APA	Heavy tank • Gatling tank • Overlord tank