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Avibras X-40

Multiple Launch Rocket System (MLRS) [ 1977 ]

The Avibras X-40 tracked MLRS was unsuccessful for the Bazilian Army and soon replaced by the ASTROS II series MLRS trucks in the mid1980s.

Authored By: Staff Writer | Last Edited: 07/01/2017 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

The Avibras X-40 Multiple Launch Rocket System (MLRS) was fielded by the Brazilian Army for a short time. It paired an elevating/traversing rocket launcher unit with the chassis and running gear of the Bernardini X1A1 Light Tank, the latter a modernized form of the classic American World War 2-era M3 "General Stuart" Light Tank series. The chassis was completed with support legs that were lowered prior to firing (for basic stability aiding in accuracy) and the launcher unit took the natural place of the Stuart's turret. The vehicle sported a weight of 17 tons and was crewed by four personnel.

Service entry of the line was during the latter half of the 1970s though it was eventually found, through practical use, that the X-40 was not a proper MLRS solution - target acquisition left much to be desired and the reloading process was deemed too time consuming as the rockets were heavy for their battlefield role. The projectile in play was of a single-stage solid-fueled design with 300mm caliber with a range out to 68 kilometers. Each rocket weighed 645 kilograms with a 147 kilogram warhead fitted and only three could be fired from the launcher rail unit.

With the introduction of the Avibras "ASTROS-2" MLRS series in the mid-1980s, the X-40 was ultimately retired front service during the 1990s.©MilitaryFactory.com
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Service Year

Brazil national flag graphic


Avibras / Bernardini - Brazil
(View other Vehicle-Related Manufacturers)
National flag of Brazil Brazil
(OPERATORS list includes past, present, and future operators when applicable)
Fire Support / Assault / Breaching
Support allied forces through direct / in-direct fire, assault forward positions, and / or breach fortified areas of the battlefield.
Special Purpose
Special purpose design developed to accomplish an equally-special battlefield role or roles.

15.1 ft
4.6 m
7.4 ft
2.25 m
9.8 ft
3 m
33,069 lb
15,000 kg
16.5 tons
(Showcased structural values pertain to the base Avibras X-40 production variant. Length typically includes main gun in forward position if applicable to the design)
Powerplant: 1 x Saab-Scania diesel-fueled engine developing 280 horsepower.
34.2 mph
(55.0 kph)
217.5 mi
(350.0 km)
(Showcased performance specifications pertain to the base Avibras X-40 production variant. Compare this entry against any other in our database)
3 x X-40 single-stage solid-fueled rockets in launcher unit.

Supported Types

Graphical image of tank battlefield rockets

(Not all weapon types may be represented in the showcase above)
3 x Rocket; reloads dependent upon ammunition carrier.

X-40 - Base Series Designation; X-40 rockets with launcher unit fitted atop the existing chassis of the Bernardini X1A Light Tank.

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