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BM-21 Grad vs RM-70

BM-21 Grad vs RM-70 at a glance — weight 13,700 vs 33,700 kg, top speed 75 vs 85 km/h, range 750 vs 400 km, crew three-member crew vs 6.

BM-21 Grad multiple launch rocket system side profile drawing
🇷🇺 BM-21 GradFull specs
RM-70 multiple launch rocket system side profile drawing
🇨🇿 RM-70Full specs
Specifications
BM-21 Grad RM-70
Origin country 🇷🇺 Russia 🇨🇿 Czechia
Category Multiple Launch Rocket System Multiple Launch Rocket System
Type Self-propelled 122 mm multiple rocket launcher Multiple rocket launcher
Manufacturer Motovilikha Plants ZTS Dubnica nad Váhom
Number produced 100,000 units 1,200 units
Estimated unit price $-- million $-- million
Combat weight 13.7 tons 33.7 tons
Maximum speed 75 km/h 85 km/h
Operational range 750 km 400 km
Length -- m 8.75 m
Width -- m 2.50 m
Height -- m 2.70 m
Crew three-member crew 6
Performance Radar Chart
Armament & Powertrain
BM-21 Grad RM-70
Main armament 40 launch tubes 40x 122 mm rockets (BM-21 Grad-type launcher)
Secondary weapon 122 mm M-21OF rocket 7.62 mm vz. 59 universal machine gun
Engine water-cooled V8 180 hp gasoline engine Tatra T-903-3 V12 multi-fuel, 250 hp (184 kW)
Explore further
BM-21 Grad side profile drawing BM-21 Grad Specs, operators & history →
Largest operators · in service
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RM-70 side profile drawing RM-70 Specs, operators & history →
Largest operators · in service
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Frequently Asked Questions

Which is faster, the BM-21 Grad or RM-70?
The RM-70 is faster with a maximum road speed of 85 km/h compared to the BM-21 Grad's 75 km/h.
Which has longer operational range, the BM-21 Grad or RM-70?
The BM-21 Grad has a longer operational range at 750 km compared to the RM-70's 400 km.
Which is heavier, the BM-21 Grad or RM-70?
The RM-70 is heavier at 33.7 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 RM-70?
The BM-21 Grad has been produced in greater numbers with 100,000 units compared to 1,200 units of the RM-70.
What are the main armaments of the BM-21 Grad and RM-70?
The BM-21 Grad is armed with 40 launch tubes while the RM-70 carries 40x 122 mm rockets (BM-21 Grad-type launcher) as its main armament.