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UR-67


УР-67


Overview


UR-67

Right side view of UR-67 mine clearance vehicle on display in a museum as seen in 2008.
Source: ShinePhantom - © CC BY-SA 3.0

Origin
Soviet Union
Type
Mine warfare vehicle
Entered service
1968
Status
Obsolete
Development
Mid 1960's
Developer
Soviet Union
Production
1967 - 1978
Producer
Soviet Union
Number produced
At least dozens
Designations
UR / Ustanovka Razminirovaniya
Russian for "mine clearance system"
MTK / MTK-1 (NATO designation)
УР-67 (Cyrillic)
Notable users
Soviet Union

Description


Introduction

The UR-67 is an early Cold war era mine clearance vehicle of Soviet origin. The UR-67 was first introduced in 1968 to provide a rapid mine field clearance capability in support of motor rifle and tank divisions of the Soviet army. These vehicles were built using existing chassis of BTR-50PK armored personnel carrier. The low rate production of the UR-67 mostly took place after production of the BTR-50 series had already stopped.

Design

The UR-67 is based on the tracked chassis of the BTR-50PK armored personnel carrier. A trainable two rail launcher for mine clearance line charges is located on the engine deck. The rockets of the line charge are loaded in the launcher, while the attached line charges are located in what used to be the crew compartment. The explosion of the line charge should cause anti-tank mines to explode, or throw them out of the cleared path.

Firepower

The UR-67 retains the 7.62mm SGMB or PKB machine gun of the BTR-50PK for self-defense purposes. A trainable two rail launcher for mine clearance line charges is fitted. These are launches at ranges of 200 to 350 meters for the UZ-67, or up to 500 m for the later UZP-72 and UZP-77. These line charges have a length of 83 or 93 meters and are laced with 600 to 700 kg of explosive. These clear a path of 75 to 90 meters long and 6 meters wide. Reloading both charges takes 30 to 40 minutes.

Protection

Steel armor protects the crew of the UR-67 from small arms fire and shells splinters. Being based on a later iteration of the BTR-50PK chassis the NBC filters are likely present. Although intended to operated near minefields there is no additional protection against mines.

Mobility

The BTR-50 tracked chassis provides the UR-67 with good all terrain performance. Ground pressure is low, making it effective in swampy or snow covered terrain. The UR-67 retains the amphibious capability of the BTR-50 chassis. A 240 hp provides propulsion. Maximum speed is rather low at about 40 km/h.

Users

The UR-67 was adopted by Soviet forces for mine clearing for mechanized forces. It was also exported to a small number of Soviet allies and saw combat in the Middle East. Low rate production ran into 1978, at which point it was replaced in production by the UR-77 Meteorit, a newer system based on the hull of the 2S1 Gvozdika. Soviet doctrine issued the UR-67 in two vehicles per motorized rifle or tank division or six vehicles per engineer obstacle clearance battalion.

Details


Facts UR-67
General
Origin
Soviet Union
Type
Mine clearance vehicle
Crew
3 (commander, driver, operator)
Dimensions
Weight
14.3 t combat load
Length
7.07 m
Width
3.14 m
Height
About 2.5 m
Line charge system
MICLIC launcher
Two rail launcher
MICLIC types
UZ-67, UZP-72, UZP-77
Cleared passage
80 or 90 x 6 m per line charge
Time to launch
3 to 5 minutes per line charge
Time to reload
30 to 40 minutes
Armament
Type
7.62mm PKB machine gun (some equipped with SGMB)
Mount
Dedicated roof mount
Ammunition
1.250 rounds, 250 ready to fire
Elevation
-6° to +23.5°, manual
Traverse
90°, manual
Stabilizer
No
Chassis
Chassis type
Tracked chassis, 6 roadwheels
Layout
Idler front, drive sprocket rear
Track width
0.36 m
Track on ground
4.08 m
Ground pressure
0.50 kg/cm²
Suspension
Torsion bar
Automotive
Engine model
Model V-6K
Engine type
6-cylinder water-cooled diesel
Power output
240 hp at 1.800 rpm
Transmission
Manual, 4 forward, 1 reverse
Fuel
380 L
Mobility
Speed
44 km/h on road
20 - 25 km/h cross country
9 km/h afloat
Range
370 km on road
Turn radius
Skid turns
Power to weight ratio
16.8 hp/t
Obstacle crossing
Ground clearance
0.37 m
Wall
1.1 m
Trench
2.8 m
Gradient
70 %
Slope
30 %
Fording
Amphibious
Protection
Armor type
Steel
Armor thickness
13 mm front
10 mm sides
10 mm roof
7 mm rear
NBC system
Yes
Smoke system
No
Equipment
Night vision
Single TVN-2B IR driving light for driver
Radio
R-113, or R-123 from 1968 onward

Media


Related articles


UR-77 Meteorit

The UR-67 was succeeded by the UR-77, an updated system based on the chassis of the 2S1 Gvozdika self-propelled howitzer.

BTR-50

The UR-67 is based on the chassis of the BTR-50PK.