State-owned Foreign Trade Unitary Enterprise "Belspetsvneshtechnika"

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Государственное внешнеторговое
унитарное предприятие
"Белспецвнештехника"

Адрес:

Республика Беларусь, 220103
г. Минск, ул. Калиновского, д. 8

Тел: +375 (17) 269-63-33

Факс: +375 (17) 269-63-43

E-mail: mail@bsvt.by

Время работы предприятия:

Понедельник - пятница
8.30-17.30

Обед:

13.00-14.00

Upgrade of 122 mm combat vehicle BM–21 “GRAD” to the level of BM–21А “BELGRAD”

The main aim of upgrade is to:
• Enhance technical characteristics and combat capabilities;
• Improve fuel distance and cross-country capability;
• Increase carried ammunition set;
• Reduce time required for combat vehicle reloading;
• Reduce the number of vehicles used for carrying ammunition;
• Enable leveling of the platform and turret stabilization when firing;
• Improve fire accuracy and grouping;
• Increase range and reliability of the combat vehicle radio communication;
• Replace obsolete vehicle chassis URAL-375;
• Mount the turret on the modern all-wheel-drive vehicle chassis MAZ-6317054;
• Mount racks for rockets storage and transportation on the chassis platform which enables combat vehicle to carry two salvos.

List of works on upgrade of the combat vehicle BМ–21:
• Dismounting of the combat vehicle turret and its units, mechanisms as well as mounting sets from URAL-375 chassis.
• Dismounting of the sets of ammunition racks from transloaders.
• Manufacture of MAZ-631705 vehicle chassis for mounting the turret.
• Works on overhaul (medium repair) on the turret, set of launching tubes, power supply unit, electric-power drive, sighting devices, units, mechanisms and pneumatic equipment.
• Manufacture of switching panels, accessories, sight bracket, electric-installation sets, gunner platform, mounting and fastening elements, covers, tents required for mounting the turret on MAZ-631705 chassis.
• Modification of the turret and its parts, units, mechanisms, devices, mounting sets, SPTA boxes and their mounting on MAZ-631705 chassis.
• Repair, modification and mounting of racks on the combat vehicle.
• Testing, alignment, functional checks.
• Trials of the combat vehicle.

Technical specifications

Сaliber, mm
122
Number of launching tubes  
40
Firing range, m:
- ordinary projectile
20450
- projectile of extended range
up to 50000
Full salvo time, s  
20
Maximum elevation angle, deg  
55
Minimum elevation angle, deg  
0
Traverse, deg:
- RH from the vehicle chassis
70
- LH from the vehicle chassis
102
Cabin bypass angle, deg  
±36
Minimum elevation angle of launching tubes in the cabin zone, deg
20
Length in travel position, mm  
9450
Width in travel position, mm  
2710
Height in travel position, mm  
 3410
Height at maximum elevation angle, mm  
4530
Carried ammunition set, pcs  
80 (100)
Combat vehicle reloading time, min  
7
Weight of combat vehicle without ammunition and crew, kg  
13300
Curb weight, kg:
- with 40 rockets in launching set
16340
- with 40 rockets in launching set and 40 rockets on the racks
18980
- with 40 rockets in launching set and 60 projectiles on the racksс
20300
Maximum travelling speed of the combat vehicle at curb weight, km/h  
up to 75
Fuel distance, km
1000
Maximum fording depth, mm
1750
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