M1A2 SEP Abrams# Army of service: United States Years of service: 1980-present Crew members: 4 Main weapon size: 120mm smoothbore Weight: 74 tonnes Top speed: 42 mph T-28 Super Heavy Tank# Army of service: United States Years of service: 1945 Crew members: 4 Main weapon size: 105mm Weight: 100 tonnes Top speed: 8 mph T-14 Armata main battle tank# Army of service: Russia Years of service: 2015-present Crew members: 3 Main weapon size: 125mm smoothbore Weight: 48 tonnes Top speed: 50 mph M8 Armored Gun System# Army of service: United States Years of service: 1980s-present Crew members: 3 Main weapon size: 105mm rifled Weight: 24.75 tonnes Top speed: 45mph Sherman Beach Armoured Recovery Vehicle# Leopard 2# Army of service: Germany Years of service: 1979-present Crew members: 4 Main weapon size: 120mm smoothbore Weight: 68.7 tonnes Top speed: 42 mph Landkreuzer P. 1000 Ratte# Army of service: Germany Years of service: Theory only Crew members: Up to 41 Main weapon size: 2 x 280mm, 1 x 128 mm, 8 x 20mm and 2 x 15mm Weight: 1,000 tonnes Top speed: 25 mph Panzerkampfwagen VIII Maus# Army of service: Germany Years of service: 1944 Crew members: 6 Main weapon size: 128mm and 75mm Weight: 188 tonnes Top speed: 12 mph Object 279# Army of service: Soviet Union Years of service: 1959 Crew members: 4 Main weapon size: 130mm Weight: 60 tonnes Top speed: 34 mph Type 99 main battle tank# Army of service: China Years of service: 2001 Crew members: 3 Main weapon size: 125 mm ZPT-98 smoothbore gun Weight: 58 tonnes Top speed: 80 mph T-34 Calliope# Army of service: United States Years of service: 1944-1945 Crew members: 4 Main weapon size: 60 x 4.5-inch 114mm rockets Weight: 35.3 tonnes Top speed: 25 mph Canal Defense Light# Army of service: United Kingdom Years of service: 1944-1945 Crew members: 2 Main weapon size: spotlight Weight: 26.5 tonnes Top speed: 15 mph Black Knight Unmanned Combat Vehicle# Army of service: US Years of service: 2007-present Crew members: Unmanned Main weapon size: 30mm Weight: 12 tonnes Top speed: 48 mph CV90120-T Ghost tank# Army of service: Sweden Years of service: 2011-present Crew members: 4 Main weapon size: 120mm Smoothbore Weight: 75.0 tonnes Top speed: 43 mph Leonardo da Vinci’s tank# The world’s first tank# Army of service: United Kingdom Years of service: 1916 Crew members: 8 Main weapon size: Two 6-pounder guns Weight: 28 tonnes Top speed: 3.7 mph Challenger 2 main battle tank# Army of service: United Kingdom Years of service: 1998-present Crew members: 4 Main weapon size: 120mm rifled Weight: 75.0 tonnes Top speed: 37 mph Tiger II# Army of service: Germany Years of service: 1944-1945 Crew members: 5 Main weapon size: 88mm Weight: 69.8 tonnes Top speed: 25.8 mph T-34# Army of service: Soviet Union Years of service: 1940-present Crew members: 4/5 Main weapon size: 76.2mm Weight: 26.5 tonnes Top speed: 33 mph M18 Hellcat# Army of service: United States Years of service: 1943-1944 Crew members: 5 Main weapon size: 76mm Weight: 17.7 tonnes Top speed: 50 mph M26 Pershing# Army of service: United States Years of service: 1945-1950s Crew members: 5 Main weapon size: 90mm Weight: 46 tonnes Top speed: 30 mph Sherman Firefly# Army of service: United Kingdom Years of service: 1943-1945 Crew members: 4 Main weapon size: 89mm Weight: 35.3 tonnes Top speed: 25 mph ISU-152 tank destroyer# Churchill Crocodile# Army of service: United Kingdom Years of service: 1944-1945 Crew members: 4 Main weapon size: 75mm Weight: 40.7 tonnes Top speed: 15 mph Obrum PL-01 Stealth Tank# Army of service: Poland Years of service: 2013-present Crew members: 3 Main weapon size: 120mm Weight: 35 tonnes Top speed: 43 mph K2 Black Panther main battle tank# Army of service: South Korea Years of service: 2013-present Crew members: 3 Main weapon size: 120mm Weight: 35 tonnes Top speed: 55 mph XM2001 Crusader# Army of service: US Years of service: Cancelled in 2002 Crew members: 3 Main weapon size: 155mm Weight: 43 tonnes Top speed: 30 mph The Type 10# Army of service: Japan Years of service: 2012-Now Crew members: 3 Main weapon size: 120mm smoothbore Weight: 48 tonnes Top speed: 43 mph European Main Battle Tank (EMBT)# Big Wind# 