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BM-21 Grad vs K239 Chunmoo

BM-21 Grad vs K239 Chunmoo at a glance — weight 13,700 vs 31,000 kg, top speed 75 vs 80 km/h, range 750 vs 450 km, crew three-member crew vs 3 (K239L launcher vehicle); 2 (K239T ammunition support vehicle).

BM-21 Grad multiple launch rocket system side profile drawing
🇷🇺 BM-21 GradFull specs
Specifications
BM-21 Grad K239 Chunmoo
Origin country 🇷🇺 Russia 🇰🇷 South Korea
Category Multiple Launch Rocket System Multiple Launch Rocket System
Type Self-propelled 122 mm multiple rocket launcher Self-propelled multiple launch rocket system
Manufacturer Motovilikha Plants Hanwha Aerospace
Number produced 100,000 units 356 units
Estimated unit price $-- million $2.9 million
Combat weight 13.7 tons 31.0 tons
Maximum speed 75 km/h 80 km/h
Operational range 750 km 450 km
Length -- m 9.00 m
Width -- m 2.90 m
Height -- m 3.30 m
Crew three-member crew 3 (K239L launcher vehicle); 2 (K239T ammunition support vehicle)
Performance Radar Chart
Armament & Powertrain
BM-21 Grad K239 Chunmoo
Main armament 40 launch tubes K33 131 mm unguided rockets
Secondary weapon 122 mm M-21OF rocket KM26A2 230 mm rockets
Engine water-cooled V8 180 hp gasoline engine HD Hyundai Infracore DV11K 6-cylinder diesel, 450 hp
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BM-21 Grad side profile drawing BM-21 Grad Specs, operators & history →
Largest operators · in service
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K239 Chunmoo Specs, operators & history →
Largest operators · in service
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Frequently Asked Questions

Which is faster, the BM-21 Grad or K239 Chunmoo?
The K239 Chunmoo is faster with a maximum road speed of 80 km/h compared to the BM-21 Grad's 75 km/h.
Which has longer operational range, the BM-21 Grad or K239 Chunmoo?
The BM-21 Grad has a longer operational range at 750 km compared to the K239 Chunmoo's 450 km.
Which is heavier, the BM-21 Grad or K239 Chunmoo?
The K239 Chunmoo is heavier at 31.0 tons combat weight compared to the BM-21 Grad's 13.7 tons.
Which has been built in greater numbers, the BM-21 Grad or K239 Chunmoo?
The BM-21 Grad has been produced in greater numbers with 100,000 units compared to 356 units of the K239 Chunmoo.
What are the main armaments of the BM-21 Grad and K239 Chunmoo?
The BM-21 Grad is armed with 40 launch tubes while the K239 Chunmoo carries K33 131 mm unguided rockets as its main armament.