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Military


D-20 / M-55 152-mm Towed Gun-Howitzer
Type-66 152-mm Towed Gun-Howitzer

Specifications
Alternative Designations M1955 or M-55
Date of Introduction 1955
Proliferation At least 13 countries
Description  
Crew 8
Carriage 122-mm gun D-74
Combat Weight (mt) 5.7
Chassis Length Overall (m)  
Travel Position 8.10
Firing Position 8.69
Height Overall (m) 2.52
Width Overall (m)  
Travel Position 2.35
Firing Position INA
Towing Speed (km/h)  
Max Road 60
Max Off-Road 30
Max Cross-Country 15
Fording Depths (m) .5
Emplacement Time (min) 2.5
Displacement Time (min) 2.5
Prime Mover AT-S Tracked vehicle; MT-LB; Ural-375; Ural-4320
ARMAMENT  
Main Armament  
Caliber, Type, Name 152-mm, canon
Barrel Length (cal) 25
Rate of Fire (rpm)  
Burst 5-6
Normal INA
Sustained 1 (65 rounds the first hour)
Loader Type Manual
Breech Type Vertical sliding wedge
Muzzle Brake Type Double flared
Traverse (°)
Left 29
Right 29
Total 58
Elevation (°) (-/+) -5/+45°
FIRE CONTROL  
Indirect Fire PG-1M Panoramic Telescope (PANTEL)
Direct Fire OP 4M
Collimator K-1
Gun Display Unit None
Fire Control Computer None
VARIANTS  
None  
MAIN ARMAMENT AMMUNITION  
Caliber, Type, Name  
152-mm Frag-HE, OF32  
Indirect Fire Range (m)  
Minimum Range 4600
Maximum Range 17,400
Complete Projectile Weight (kg) 43.56 (OF25)
Muzzle Velocity 655 m/s
Fuze Type V-90 PD 152-mm, HEAT, BP-540
Direct Fire Range (m)  
Minimum Range 0
Maximum Range 1000
Armor Penetration (mm) INA
Complete Projectile Weight (kg) 27.00
Muzzle Velocity 655 m/s
Fuze Type GPV-3 PD 152-mm Frag-HE, OF-96
Indirect Fire Range (m)  
Minimum Range INA
Maximum Range 24,400
Complete Projectile Weight (kg) 43.56 (OF-64)
Muzzle Velocity INA
Fuze Type PD
Other Ammunition Types DPICM, DPICM-BB, Incendiary, Ex-pendable Jammer, Chemical, Flechette, Semi-active laser-guided Kras-nopol- M Frag-HE



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