MAZ-7912/MAZ-7917 is a Soviet and Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n army 14x12 transporter-erector-launcher designed and developed by the Minsk Automobile Plant (MAZ)

Minsk Automobile Plant

Minsk Automobile Plant is a state-run automotive manufacturer association in Belarus, one of the largest in Eastern and Central Europe.-History:...

 in Belarus

Belarus

Belarus , officially the Republic of Belarus, is a landlocked country in Eastern Europe, bordered clockwise by Russia to the northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Its capital is Minsk; other major cities include Brest, Grodno , Gomel ,...

.

Developed primarily for use as a Topol ICBM mobile launcher

Mobile launcher vehicle

A mobile launcher vehicle is a type of military vehicle on a multi-wheel-drive or tracked chassis carrying one or more ground-to-ground or ground-to-air explosive missiles, along with the personnel and equipment needed to prepare, organize, and execute a launch of such missiles.Purpose of...

, the 7912 model is similar in design to the MAZ-547A but has seven axle

Axle

An axle is a central shaft for a rotating wheel or gear. On wheeled vehicles, the axle may be fixed to the wheels, rotating with them, or fixed to its surroundings, with the wheels rotating around the axle. In the former case, bearings or bushings are provided at the mounting points where the axle...

s instead of six, including one dead axle.

In the mid-1980s, the MAZ-7917 variant was introduced, with an additional length of 1 m (3.3 ft) and crew cabins similar to the MAZ-7916.

At present, the 8-axle MZKT

MZKT

MZKT is a manufacturer of heavy off-road vehicles, especially military trucks, based in Minsk, in Belarus; it was formerly a division of MAZ...

-79921 variant is used to carry the Topol M

RT-2UTTH Topol M

The RT-2UTTKh «Topol-M» is one of the most recent intercontinental ballistic missiles to be deployed by Russia , and the first to be developed after the dissolution of the Soviet Union....

, Topol's replacement.