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152mm ML-20


M1937


Overview


152mm ML-20

Finnish army troops firing the 152mm ML-20 towed howitzer at Soviet positions in 1944.
Source: Finnish army - © Public domain

Origin
Soviet Union
Type
Towed howitzer
Entered service
1937
Status
Obsolete
Development
1935 - 1937
Developer
Soviet Union - F.F. Petrov
Production
1937 - 1946
Producer
Soviet Union - Motovilikha plant
Number produced
6.884 ML-20 towed guns
3.533 ML-20S for self-propelled guns
Designations
152-мм гаубица-пушка образца 1937 года
Russian for "152mm howitzer-gun model 1937"
52-G-544A (GRAU index)
15.2 cm KH.433/1(r) (Beutewaffen infex)
152 H37 (Finnish service)
Notable users
Soviet Union
Finland
Poland
Romania

Details


Facts ML-20
General
Origin
Soviet Union
Type
Towed howitzer
Crew
9
Dimensions - Travel configuration
Weight
8.93 t
Length
8.17 m with limber
Width
2.35 m
Height
2.27 m
Dimensions - Firing configuration
Weight
7.27 t
Ordnance
Type
152mm L/28 howitzer
Barrel length
4.24 m
Muzzle brake
Yes, multi-slotted muzzle brake
Muzzle velocity
655 - 670 m/s
Elevation
-2° to +65°
Traverse
29° left and 29° right
Firepower
Rate of fire
3 to 4 rpm maximum
Range
17.2 km max for 53-OF-540 HE-Fragmentation
15.8 km for 53-G530 concrete piecing
Carriage
Type
Two wheel split-trail carriage
Limber
Yes
Gun shield
Yes
Ground clearance
0.31 m
Mobility
Towing vehicle
S-65,
Towed speed
20 km/h
Autonomous mobility
No, too heavy to be manhandled
APU
No

Media


Related articles


ISU-152

The ISU-152 assault gun is armed with the ML-20S.

122mm A-19

The late model M1931/37 variant of the 122mm A-19 uses the same carriage as the ML-20.

152mm D-1

The D-1 was developed as a lighter and more mobile alternative to the ML-20. The D-1 has a shorter maximum range, but weighs less than half as much as the ML-20.