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The Kharkiv Morozov Machine-building Design Bureau (KMDB) is one of the leading enterprises engaged in developing main battle tanks. Side by side with development of new tank designs, the KMDB carries out modernization of the tanks that were manufactured earlier, viz. T-72, T-62, T-55 and T-54 tanks.

The modernization is performed in three main directions:

  • modernization of the power pack compartment envisaging installation of the 5TDF diesel engine developing 700 hp, and side gearboxes;
  • modernization of the protection envisaging installation of additional armour plates on the frontal part of hull and turret as well as installation of explosive reactive armour;
  • modernization of the tank armament and fire control system.

Modernization can be carried out either in any of the above directions separately or in any of their combinations.

Additional measures are taken to decrease the probability of being detected by the enemy, to increase crew survivability, etc.

Modernization of the power pack compartment

Modernization of the power pack compartment of the T-62 tank envisages installation of the 5TDF diesel engine developing 700 hp, side gearboxes, and efficient engine systems.

Characteristics of the twin-stroke 5TDF diesel engine

Type

Multi-fuel liquid cooled diesel engine with opposed pistons

Power output, kW (hp)

515 (700)

Number of cylinders

5

Placement of cylinders

Horizontal

Specific fuel consumption, g/kW.h (g/hp.h)

240 (178)

Specific oil consumption at maximum power output, g/kW h (g/hp h)

5,9 (8)

Crankshaft rotational speed at maximum power output, rpm

2 800

Generator power output, kW

10 or 18

Engine weight, kg

1043

Overall dimensions:

  • length, mm

1 413

  • width, mm

955

  • height, mm

581

Working ambient temperature range, °C

-40 to +55

 

Modernization of the power pack compartment can be carried out at small enterprises in the shops equipped with lifting equipment with capacity of up to 15 t, metal-cutting equipment (plasma cutting or gas cutting)and welding equipment (up to 600 A).

Technological scheme of modernization of the T-62 tank:

  • Disassembly of the tank
  • Marking and cutting the tank hull
  • Preparation of the hull for welding (preparation of the cut edges)
  • Power pack compartment frame (to be supplied by Ukraine)
  • Assembling

Modernization of protection

 

In order increase the level of armor protection, the following is installed on the T-62 tank:

  • on the hull glacis plate and nose: armor module consisting of an armor plate and explosive reactive armor;
  • on the turret frontal arc: add-on armor plates and explosive reactive armor;
  • on the hull sides: armored skirt screens with explosive reactive armor.

Efficiency of increase of armor protection of the upgraded T-62 tank:

  • kinetic energy attack (APFSDS) 1.8;
  • chemical energy attack (HEAT) 2.5-3.

The modular design of armoring the frontal part of the hull and turret has the following advantages:

  • possibility of re-equipping the tank armor protection later on as the armor materials are improved and new types of protection are designed;
  • possibility of replacement of a damaged armor module (instead of restoration work) under field conditions;
  • possibility of using the tanks with the armor modules removed under peace conditions during crew training.

The time required for installation of the removable armor module does not exceed 1 hour.

Modernization of the T-62 tank protection can be carried out at small enterprises in the shops equipped with lifting equipment with capacity of at least 1.5 t, metal-cutting equipment (plasma cutting or gas cutting) and welding equipment (up to 600A).

The tank can be equipped with the additional armor protection array within 20 days by 6 person.

Delivery set for modernization
of protection

Hull:

  • armor plate to be installed on the tank glacis plate and nose;
  • armored skirt screens with explosive reactive armor;
  • rubber shields (for protection against HEAT projectiles) and fasteners.

Turret:

  • add-on armor plates to be installed on the frontal arc;
  • explosive armor package to be installed on the frontal arc;
  • set of explosive reactive armor panels to be installed on the turret roof;
  • fasteners.

Modernization of the fighting compartment

Modernization of the fighting compartmen of T-62 tank

Modernization of the fighting compartment consists in installation of 120-mm main gun with gun drivers combined main sight, computer with various sensors, and electric units of stabilizer. This results in increasing the target detection distance by 1.7 times as well as in improving capability from a stationary position and on the move both by day and at night.

installation of 120-mm main gun on T-62 tank

Optical/electronic counter-measure system
(Installation is possible)

In order to increase of the tank against anti-tank guided weapons (that have either semi-automatic tracer-guided control system or semi-active laser-guided homing heads), the tank can be equipped with the optical/electronic counter-measure system.

The system in question includes an optical/electronic suppression equipment and aerosol screen laying system.

The optical/electronic counter-measure ensures the following:

decoying away incoming anti-tank guided missiles by means of setting light interference within a sector of ±20° relative to the main gun bore in the horizontal plane and ±2° in the vertical plane;

suppression of control systems of laser beam riding anti-tank guided missiles equipped with laser semi-active homing heads by means of setting quickly-generated aerosol screens a sector of ±45° relative to main gun bore.

NBC protection

In order to increase protection of the tank crew against mass destruction weapons, the upgraded T-62 tank is equipped with an NBC protection system intended to ensure air-tightness of the crew compartment, fire/explosion suppression, filtration of the air that comes into the crew compartment. The system comes into action automatically with simultaneous audible and light signaling. When the tank operates under condition of radioactive contamination of terrain, the NBC system enables the crew to carry out measurements of gamma radiation within the range of 0.9 to 150 r/h.

Comparative characteristics of T-62 and T-62M tanks

Parameter

Value of parameter

Before modernization

After modernization

GENERAL

Weight, t

36

39.5

Power-to-weight ratio, hp/t

16.1

17.7

Crew

4

4

Overall dimensions, mm:

  • length (gun forward)
9335 10200
  • height (commanders hatch)
2395 2395
  • width (with skirts)
3300 3590
  • track width
2640 2640

Armament:

Main gun:

  • designation
2A20 (U5-Ts) KBA-101

  • caliber, mm
115 120
  • allowance of ammunition, rounds
40 40

Coaxial machine gun:

  • designation
PKT PKT
  • caliber, mm
7.62 7.62
  • allowance of ammunition, rounds
2500 2500
  • MG elevation/depression
  -5°/+15°

Armament stabilizer

Yes

Yes

MOBILITY

Engine:

V-55V 5TDF
  • power output, hp
580 700
  • specific fuel consumption, g/hph
180 178
  • type of cooling system

liquid, fan-type

liquid, ejection-type

Maximum speed system, km/h

50

60

Average speed, km/h:

  • natural soil road
22-27 30-35
  • asphalt road
32-35 35-40

Deep fording, m:

  • without preparation
1.2 1.8
  • with preparation
5 5

Trench, m

2.85

2.85

Vertical obstacle, m

0.8

0.8

Gradient

32°

32°

Side slope

30°

30°

Ambient air temperature range at which movement without restriction is ensured, °C

-40 to +40

-40 to +55

Cruising range (asphalt road), km

450

500

Power transmission:

   
  • complex change-gear train;

Yes

No

  • gearbox;

Mechanical

Mechanical, planetary, with hydraulic control

  • number of gears

5 forwards gears and 1 reverse gear

7 forwards gears and 1 reverse gear

PROTECTION

Explosive reactivearmor

No

Yes

Power pack compartment top deck thermal protection

No

Yes

Dazzle painting

No

Yes

FIRE CONTROL SYSTEM

Gunners main sight

Type

Day sight TSh2B-41 telescopic sight with changeable magnification (zoom)

Combined sight (day/night), with a laser rangefinder, periscopic, with changeable magnification (zoom)

Magnification

3.5x and 7x

4x and 8x

Field of view

18° and 9°

20° and 10°

Stabilization of the line of sight (of the day and night channels)

No

Yes, 20axis stabilization

Accuracy of stabilization, mrad

-

0.1

Laser range finder

No

Yes

Ranging limits, m

No

400 5 000

Target detection range (day), m

3 000

5 000

Night sight

Type

TPN-1-41-11 electronic/optical monocular periscopic sight

Night channel built in the sight with image convert

Target detection range (night), m:

  • in the passive mode

No

700
  • in the active (when illuminating the terrain with the L-2 infra-red lamp, m
800

the L-2 lamp is not available in order to exclude detection in the IR range

Commanders observation device:

 

  • type

TKN-3

TKN-3 and monitor showing the field of view of the gunners combined sight

  • Ballistic computer

No

Yes (digital computer with peripheral sensors)

 

Modernization of T-62 tank

Modernization of T-62 tank

 

Modernization of T-62 tank

 

Modernization of T-62 tank

 

Modernization of T-62 tank

 

Modernization of T-62 tank

KMDB
126 Plekhanivska St.
Kharkiv 61001
UKRAINE
Tel.: +380 (577) 57 41 44
Fax: +380 (577) 57 41 01, +380 (577) 57 41 68
www.morozov.com.ua
marketing@morozov.com.ua

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