The T-43 first appeared in 1943.4 Many of the components were taken from the T-34.4
Improvements were a new torsion-bar suspension that replaced the coil springs.4 The torsion-bars took up less space than the springs.4
| Crew | 43, 51 |
| Physical Characteristics | |
| Weight | 68,350 lb, 31 tons3, 31.5 tons1,2, 34 tons4 32,000 kg |
| Length w/gun | 24' 2.5", 22.5'2, 22' 6"1,3, 6.86 m1 |
| Length w/o gun | |
| Height | 7' 10"1, 8' 6"3, 9' 2" |
| Width | 9' 7"1, 9.8'3 , 10' 6.25" 2.92 m1 |
| Ground clearance | |
| Ground contact length | 12' 4"3 |
| Ground pressure | |
| Turret ring diameter | |
| Armament | |
| Main | 76.2 mm F-341 76.2 mm L/41.23 |
| Secondary | |
| MG | 2: 7.62 mm MG3 2: 7.62mm DT MG1 |
| Side arms | |
| Quantity | |
| Main | 773 |
| Secondary | |
| MG | 2,3943 |
| Side arms | |
| Armor Thickness (mm) | 901, 18 - 1102 |
| Hull Front, Upper | 70 - 1103, 754 |
| Hull Front, Lower | |
| Hull Sides, Upper | 45 - 473, 754 |
| Hull Sides, Lower | |
| Hull Rear | |
| Hull Top | 18 - 223 |
| Hull Bottom | 18 - 223 |
| Turret Front | 20 - 703, 904 |
| Turret Sides | |
| Turret Rear | |
| Turret Top | |
| Engine (Make / Model) | V-2-341,3 |
| Transmission | |
| Cylinders | 123 |
| HP | 5003 |
| Fuel (type) | Diesel3 |
| Capacity (gallons) | |
| Performance | |
| Traverse | 360° |
| Speed - Road | 31 mph1,3, 50 kph1 |
| Speed - Cross Country | 25 mph |
| Range - Road | 186 miles1, 186 - 220 miles3, 248.6 miles 300 km1 |
| Range - Cross Country | 130 - 210 miles3 |
| Turning radius | |
| Elevation limits | |
| Fording depth | |
| Trench crossing | |
| Vertical obstacle | |
| Suspension (Type) | Torsion-bar4 |
| Wheels each side | |
| Return rollers each side | |
| Track length | |
| Tires | |
| Track width | 1' 7.1"3 |
| Track centers/tread |
Sources: