T-28 Model 1934

GENERAL DATA
Formal Desig­nation T-28 Model 1934
Manufac­turer(s) Red Putilov Factory later renamed Factory No.100 Kirovskiy Works
Production Quantity about 3181 Production Period 1934-1938
Type Medium Tank Crew 6
Length overall 7.4 m (24' 3") Barrel Overhang 0
Width 2.9 m (9' 6") Height 2.8 m (9' 2")
Combat Weight 28000 kg (62000 lbs) Radio Equipment 71-TK-1
FIREPOWER
Primary Armament 76.2mm Gun KT-28 Ammu­nition Carried 70
Traverse (degrees) Manual (360°) Elevation (degrees) -10° to +40°
Traverse speed (360°) - Sight TOP, POP
Secondary Armament 3-4 x 7.62mm DT MG (coaxial, 1 x 2 MG turrets, turret rear) Ammu­nition Carried 7938
MOBILITY CHARACTERISTICS
Engine Make & Model M-17 Track Links 76/track
Type & Displace­ment V12 Track Width 39 cm (15")
Horse­power (max.) 450hp @1750rpm Track Ground Contact 535 cm (210")
Power­/Weight Ratio 16.1 hp/tonne Ground Pressure 0.67 kg/cm2 (9.5 psi)
Gearbox 5 forward, 1 reverse Ground Clearance 0.56 m (1' 10")
Fuel Gasoline (Petrol) Turning Radius n.a.
Range on/off road 220/160 km Gradient 45°
Mileage on road 295 l/100km Vertical Obstacle 1.0 m (3' 3")
Fuel Capacity 650 l Fording 0.8 m (2' 7")
Speed on road 37 km/h Trench Crossing 2.9 m (9' 6")
ARMOR PROTECTION
Armor Detail Front Side Rear Top­/Bottom
Hull 30mm @65° 20mm @90° 20mm @20° 15mm @0°
Super­structure 15mm @25°(glacis) 20mm @80° 10mm @85° 10-15mm @0°
30mm @65°(driver)
MG Turrets 22mm @90° 20mm @90° 20mm @90° 10mm @0-5°
Turret 20mm @90° 20mm @90 20mm @90 15mm @0°
Mantlet 20mm @90° - - -
TECHNICAL DRAWINGS AND OTHER IMAGES
Profile Drawing Available T-28 Model 1934 by S. Zaloga
NOTES
1Estimate based on Kirov production statistics of the T-28 for the years 1934-1938 found in RTAV.
REFERENCES
WWW2, ST, RT, RTAV, OOBT

Copyright © 2018 Ralph Zuljan