WR-40 Langusta Polish 122mm Multiple Rocket Launcher (MRL)
WR-40 Langusta
Multiple Launch Rocket System (MLRS)
Other
Basic Information
Name
WR-40 Langusta Polish 122mm Multiple Rocket Launcher (MRL)
Designation
WR-40 Langusta
Alternate Designation
WR-40 Langusta
Equipment Type
Multiple Launch Rocket System (MLRS)
Manufacturer
Huta Stalowa Wola (HSW)
Date of Introduction
2010
Description
The WR-40 Langusta is a modern Polish 122mm Multiple Rocket Launcher (MRL) that represents a significant upgrade from the Soviet BM-21 Grad. This modernization aims to provide Poland with a more mobile, better-protected, and digitally networked rocket artillery system. **Mission:** The WR-40 is designed for long-range area fire against enemy troop concentrations, firing positions, light vehicles, support facilities, and field fortifications. It operates as part of a digitally controlled artillery battalion. A battery of WR-40 launchers can quickly saturate large target areas and then relocate using a "shoot-and-scoot" strategy to avoid counter-battery fire.
Ground Specifications
Crew
4
Mobility Type
Wheeled (6x6)
Main Weapon
122mm Multiple Rocket Launcher (MRL)
Engine
6-Cylinder Turbocharged Diesel (347 hp)
NBC Protection
Yes
Max Speed
85.0 km/h
Range
650.0 km
System
Alternative Designation
WR-40 Langusta
Type
Multiple Rocket Launcher (MRL)
Caliber
122 mm
Manufacturer
Huta Stalowa Wola (HSW)
Configuration
6x6
Crew
4 ea
Communications
1 x RRC‑9311AP VHF radio for tactical communications. 1 x FONET digital intercom inside the vehicle. With these systems, WR‑40 supports rapid “shoot‑and‑scoot” tactics and is tied into drones, reconnaissance units, and command posts for fast sensor‑to‑shooter loops.
Organization & Support Elements
A WR‑40 Langusta artillery battalion is more than just launch vehicles. It typically includes: WR‑40 MLRS launchers (multiple batteries); Automated command and fire‑control system elements; Command‑staff vehicles and command & reconnaissance vehicles; Weather station for ballistic corrections; Logistic vehicles: ammunition carriers, maintenance and repair workshops, and other support trucks.
Dimensions
Length
8.6 m
Width
2.54 m
Height
2.74 m
Weight, Combat
17 tons without Rockets
Automotive
Engine Name
Iveco Aifo Cursor 8
Engine Type
6‑cyl, 4‑stroke diesel (EURO 3 emissions).
Engine Power
347 hp
Maximum Range
650 km
Maximum Speed
85 km/h
Amphibious
No
Gradient
30 deg
Side Slope
20 deg
Vertical Step
INA
Trench
INA
Fording
1.2 m
Ground Clearance
1.2 m
Main Weapon System
Type
Multiple Rocket Launcher
Caliber
122 mm
Launch Tubes
40, rear‑mounted in a single bank
Elevation
0° to +55°
Traverse
+70° to the right, +102° to the left from centerline.
Control
Primary: Powered, computer‑controlled traverse and elevation.
Backup: Manual controls on the launcher for redundancy.
Rate of Fire
Full 40‑rocket salvo in about 20 seconds.
Maximum Range
Can fire standard 122 mm HE rockets (20–30 km range). Uses new Polish Feniks rockets with extended range up to 42 km.
Warhead Types
HE (High Explosive) for area blast; Cargo/submunition rockets; cargo types have effective ranges around 32 km.
Rocket Weight
Typical rocket mass: around 65–66 kg per projectile.
Reload Time
about 7 minutes, manually by the crew with support from an ammunition truck.
Fire Control System and Navigation
FCS
Integrated with the Polish TOPAZ automated command and fire‑control system (ZZKO TOPAZ). DD9620T terminal with resistive touch screen (5.7–15 in), keyboard, and joysticks for fire‑control input. Automatic calculation of firing data, quick adjustment to new targets, and integration into artillery battalion networks.
Navigation & Positioning
Talin 5000 inertial/GPS navigation system. Allows autonomous position and azimuth determination without lengthy survey procedures.
Protection
Armor
Fully enclosed, low‑profile armored cabin for entire crew. Protection roughly at STANAG 4569 Level 1 (protection vs. small-arms fire and shell fragments).
Applique Armor
INA
NBC Protection
Yes
Smoke Equipment
INA
Image Sources
Details
Country of Origin
Poland
Category
Rocket Artillery Systems
Land > Artillery > Rocket Artillery Systems
Filter Label
W
Classification
Domain
Ground
Equipment Status
Active
Dimensions
Length
8.6 m
Width
2.54 m
Height
2.74 m
Weight
17000 kg
Operators (1)
Poland
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