Kharkiv model V-2

Engine (V-2-34) of Soviet T-34 tank displayed in the Finnish Tank Museum (Panssarimuseo) in Parola. Some parts have been removed or cut to show the inner workings.
Another view of the engine
Close up view on cylinder

The Kharkiv model V-2 (Russian: В-2) was a Soviet diesel tank V-12 engine designed at the Kharkiv Locomotive Factory by Konstantin Chelpan and his team. It is found in the BT-7M (BT-8), T-34, KV, IS and IS-10 (T-10) tanks, and by extension, the vehicles based on them, such as the SU-85 and SU-100 tank destroyers based on the T-34 and the ISU-122 and ISU-152 self-propelled guns based on the IS-2. Throughout its production life, output ranged from roughly 450-700 hp. The water-cooled engine was made of aluminium.

Displacement 38.8 L (2,367.7 cu in), bore 150 mm (5.9 in), stroke 180 mm (7.1 in) left cylinder group and 186 mm (7.3 in) right cylinder group, torque 220 kgf⋅m (2,157.5 N⋅m; 1,591.3 lbf⋅ft).

Variants

  • V-2: Initial production version, 1937. Used in the BT-7M (BT-8).
  • V-2-34: V-2 with revised hull mounts, fuel and cooling connectors and refined clutch, 1939. Used in the T-34, SU-85 and SU-100, it produced 500 hp (370 kW) @ 1800 RPM.[1]
  • V-2K: V-2 with increased injection pressure and higher engine speed, 1939. Used in the KV-1 and KV-2, it produced 600 hp.
  • V-2V: V-2 detuned for use in lighter vehicles, 1940. Used in the Voroshilovets artillery tractor, it produced 375 hp.
  • V-2L/P: V-2 modified for boats, not built.
  • V-2SN (Нагнетатель системы, supercharger systems): V-2 with a supercharger from the Mikulin AM-38 aircraft engine, 1940. Used in the KV-3, it produced 862 hp.
  • V-2-10 (V-2IS): V-2 with stronger cylinders and heads, improved fuel pump, larger radiator and oil cooler and modified hull mounts, 1943. Used in the IS-2, ISU-122 and ISU-152, and T-10, it produced 520 hp.
  • V-2-450AV-S3: V-2 modified for oil drilling equipment, it produced 450 hp.

References

  • Hughes, Matthew and Chris Mann. The T-34 Russian Battle Tank. Wisconsin: MBI Publishing Company, 1999 ISBN 0-7603-0701-6.
  1. ↑ Hughes & Mann 2002, p. 34.


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