Support Equipment

MTU-20

Also known as
  • MTU 20
  • MTU-20 AVLB
  • MTU-20 armored bridge layer
  • MTU-20 armoured bridgelayer
  • Object 602
  • Ob'yekt 602
  • Tankoviy Mostoukladchik MTU-20
  • Tankoviy Mostoukladchik
  • T-55 MTU-20

The MTU-20 is a Soviet armored vehicle-launched bridge built on the T-54/T-55 tank chassis. It carries a twin-treadway metal span that can be launched from under armor to move tanks and other heavy vehicles over ditches, rivers, and other tactical obstacles. Recent open-source reporting documents Russian MTU-20 use near the Donetsk and Pokrovsk axes in Ukraine, where Ukrainian drone units targeted bridge-layer vehicles supporting attempted armored movement.

Role in Conflicts

Side
Russia

Russian MTU-20 bridge-layer vehicles are documented in Russian equipment losses and 2025 Donetsk/Pokrovsk-area reporting, including vehicles struck by Ukrainian drone units while supporting or attempting tactical crossings for Russian armored movement.

Role details
Profile / Specs

Profile

Origin
Soviet Union
Type
Armored vehicle-launched bridge / tank bridgelayer
Service note
Cold War Soviet engineering vehicle with documented Russian battlefield use in the 2022 full-scale phase of the 2014 Russia-Ukraine War
Designer
Omsktransmash
Designed
1950s-1960s
Produced
Cold War Soviet production period; exact MTU-20 production total not consistently published
Number built
Not consistently published
Developed from
T-54/T-55 tank chassis

Specifications

Crew
2
Platform
Modified T-54/T-55 tank chassis
Combat weight
About 37 metric tons
Bridge type
Twin-treadway metal assault bridge
Bridge length
20 m class span
Obstacle span
Reported for obstacles up to about 18 m
Load capacity
About 50 tonnes
Launch method
Forward cantilever launch from under armor
Vehicle length with bridge
About 11.6-11.64 m in travelling configuration
Chassis And Bridge Launch Method

The MTU-20 carries its bridge above a modified T-54/T-55 chassis and launches the span forward using a low-profile cantilever method. Reference descriptions distinguish it from simpler bridge carriers because the treadway bridge is moved out over a launching girder, lowered onto the far bank, and then set down on the near bank while the crew remains under armor.

Tactical role

Rapid armored crossings for tanks and mechanized vehicles at ditches, canals, ravines, narrow rivers, or broken crossing points.

Bridge class

Open sources commonly describe a 20 m class twin-treadway span with roughly 50 tonne load capacity.

Chassis logic

The T-54/T-55 hull gave Soviet engineer units a protected tracked platform that could move with tank formations rather than waiting for truck-carried bridging assets.

Bridge-Layer Family Links

The MTU-20 sits in a Soviet tank-chassis bridge-layer line: open references describe it as a T-54/T-55-based system, while ODIN describes the later MTU-72 as a T-72-based bridge layer that replaced or supplemented MTU-20 and MT-55 equipment.

Catalog recordConnectionDetail
T-54/T-55, Main battle tank / medium tank family, TanksT-54/T-55Base chassis familyODIN and specialist reference descriptions identify the MTU-20 as an armored bridge-layer vehicle built on the T-54/T-55 tank chassis.
T-72, Main battle tank, TanksT-72Later family branchODIN describes the MTU-72 as a later T-72-based armored bridge-layer system in the same replacement or supplement path as MTU-20.

Sources: MTU-20 Russian Armored Vehicle-Launched Bridge; Russian MTU T-54/55 AVLB; MTU-72 Russian Armored Vehicle Launched Bridge.

Variants

The MTU-20 belongs to the Soviet MTU bridge-layer line, following shorter-span T-54/T-55-based bridge layers and preceding later T-72-based MTU-72 equipment.

VariantConfigurationDesignation notes
MTU-12Earlier T-54/T-55-based bridge layer

Reference descriptions identify the MTU-12 as an earlier bridge-layer tank with a shorter 12 m single-span bridge and a 50 tonne class capacity.

Sources: Russian MTU T-54/55 AVLB

MTU-72Later T-72-based bridge layer

ODIN describes the MTU-72 as a later Russian armored bridge-layer system that replaced or supplemented MTU-20 and MT-55 bridge layers.

Sources: MTU-72 Russian Armored Vehicle Launched Bridge

Timeline

MTU-20 Key Events

  1. Earlier MTU-12 bridge layer enters service

    Reference descriptions place the earlier MTU-12 bridge-layer tank in service in 1955, establishing the Soviet MTU bridge-layer line before the longer-span MTU-20.

    Sources: Russian MTU T-54/55 AVLB

  2. MTU-20 follows with a longer span

    ODIN and specialist reference descriptions identify the MTU-20 as a T-54/T-55-based replacement system with a longer bridge than the MTU-1/MTU-12 generation.

    Sources: MTU-20 Russian Armored Vehicle-Launched Bridge, Russian MTU T-54/55 AVLB

  3. Russian MTU-20 struck near Pokrovsk

    UNITED24 Media reported a Ukrainian FPV-drone strike on a Russian MTU-20 near the Pokrovsk area while Russian forces were attempting a tactical crossing.

    Sources: UNITED24 Russian Armored Bridge Layer Strike

  4. MTU-20 reported destroyed on Donetsk axis

    Defense Express reported that Ukraine's 427th Separate Regiment of Unmanned Systems struck an MTU-20 bridge-layer vehicle among Russian armored assets on the Donetsk axis.

    Sources: Defense Express MTU-20 Donetsk Axis

Media
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Sources