M1977 (A407) Romanian 100mm Towed Anti-Tank Gun

M1977

Towed Gun

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M1977 (A407) Romanian 100mm Towed Anti-Tank Gun — M1977_(A407)_(CC).jpgTRADOC ODIN WEG

Basic Information

Name

M1977 (A407) Romanian 100mm Towed Anti-Tank Gun

Designation

M1977

Alternate Designation

M1977; A407

Equipment Type

Towed Gun

Manufacturer

Arsenal Reşiţa

Date of Introduction

1975

Description

M1977 (A407) Romanian 100mm Towed Anti-Tank Gun is a Romanian rifled 100-mm anti-tank gun that serves as the main towed anti-tank gun of the Romanian Land Forces from 1975 until the present. Versions of the M1977 gun were installed on main battle tanks (TR-77 and TR-85) and ship turrets on river monitors. The A407 100mm anti-tank gun was the first artillery piece designed in Romania after World War II. The first variant of the gun, the M1975 (M stands for Model) had a semi-automatic horizontal sliding wedge type breech lock. The second variant, M1977, had a more practical vertical sliding wedge breech block. The M1977 can be also used as a field gun at the brigade level, as it has a maximum range of 20.6 kilometers. After 1992, the M1977 anti-tank guns were modernized with improved optical sights. The gun can be towed with the DAC 665T truck and has a maximum road speed of 60 km/h on-road and 30 km/h off-road

Ground Specifications

Crew 8

Variants

M1975 used the horizontal sliding wedge breech lock.

M1977 used the vertical sliding wedge breech lock.

M2002 modernized version of M1977 with a FCS TAT-100. Adaptations:

A 308 tank gun used for TR-77 and TR-85 main battle tanks.

A 430 100 mm gun used for ship turrets.

System

Alternative Designation M1977; A407

Type Towed Anti-Tank Gun

Caliber 100 mm

Manufacturer Arsenal Reşiţa

Crew 8 ea

Carriage INA

Elevation −5°/+37°

Traverse 27°30' left and right

Rate of Fire 7 to 15 rounds per minute

Muzzle Velocity 900 m/s for HE; 1400 m/s for APFSDS-T

Maximum Firing Range 20.600 m (HE); 4.000 m (AP); 3.000 m (HEAT)

Effective Firing Range 1.040 m for AP; 1.728 m for APFSDS-T

Sights Mechanical sight, panoramic sight, optical sight, collimator.

Emplacement Time INA

Displacement Time INA

Note The gun can be towed with the DAC 665T truck and has a maximum road speed of 60 km/h on-road and 30 km/h off-road.

Dimensions

Length 9.250 m

Barrel Length 4.630 m

Width 2.250 m

Height 1.530 m

Weight, Combat 3,150 kg

Ammunition

Name INA

Type Rifle

Caliber 100 mm

Shell 100 x 695 mmR

Basic Load INA

Fire Control

Computerized FCS No

Direct Fire Yes

Indirect Fire Yes

Collimator INA

Image Sources

Notes https://commons.wikimedia.org/wiki/File:100_mm_anti-tank_gun_M1977_(1).jpg; https://en.wikipedia.org/wiki/100_mm_anti-tank_gun_M1977; https://www.pinterest.com/pin/pinterest--625578204503667486/;

Details

Country of Origin Romania

Category Towed Gun/Howitzer Artillery Systems

Land > Artillery > Towed Gun/Howitzer Artillery Systems

Classification

Domain

Ground

Equipment Status

Active

Dimensions

Length

9.25 m

Width

2.25 m

Height

1.53 m

Weight

3150 kg

Operators (4)

Israel

North Korea

Iraq

Romania

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