MT-LBu

Also known as

MTLBu
MT-LBU
M1974
ACRV M1974
Ob'yekt 10
Object 10

The MT-LBu is a Soviet amphibious tracked armored carrier and specialist chassis derived from the MT-LB family. Its higher hull, longer seven-road-wheel chassis, and 300 hp YaMZ diesel engine gave armies more internal volume and payload margin for command posts, artillery fire-control vehicles, radar carriers, electronic-warfare systems, and later battlefield conversions in conflicts such as the 2014 Russia-Ukraine War.

MT-LBu, Amphibious tracked armored carrier and specialist chassis, Armored Vehicles

Image source: Commons Bulgarian MT-LBu Image

Role in Conflicts

Side: Iraq

U.S. military imagery documents Iraqi MT-LBu vehicles captured by coalition forces during Operation Desert Storm, including front and rear views photographed on March 17, 1991.

Side: RussiaUkraine

Russian and Ukrainian MT-LBu-family losses and captures are documented in the full-scale war, including Russian MT-LBu-based specialist vehicles, a captured R-381T2M Taran-M SIGINT vehicle, and Ukrainian MT-LBu vehicles fitted with BM-7 Parus combat modules.

Side: Armenia / Artsakh

Open-source loss documentation lists an Armenian-side MT-LBu captured during the 2020 Nagorno-Karabakh fighting, separately from baseline MT-LB vehicles and MT-LB gun conversions.

Profile / Specs

Profile

Origin: Soviet Union
Built by: Kharkiv Tractor Plant
Built in: Soviet UnionUkraine
Type: Amphibious tracked armored carrier and specialist chassis
Service note: Cold War design, in service from the early 1970s to the present
Designer: Kharkiv Tractor Plant
Designed: Late 1960s
Produced: Early 1970s onward
Number built: About 4,000 vehicles according to Army Recognition

Specifications

Crew and capacity: 2 crew plus 6 troops in the basic carrier configuration
Armament: Normally unarmed as a base chassis; some variants carry 7.62 mm or 12.7 mm machine guns, turrets, radar, command, or electronic-warfare equipment
Weight: About 11,500 kg in Army Guide and Army Recognition data; some references list heavier mission configurations
Dimensions: Length about 7.2 m; width 2.85 m; height about 2.1 m
Engine: YaMZ-238N or YaMZ-238-series V-8 diesel, about 300 hp
Mobility: About 61.5-62 km/h road speed, 6 km/h water speed, and 500 km road range
Chassis: Torsion-bar suspension with seven road wheels per side
Protection: Light armor against small-arms fire and shell splinters; Army Recognition lists 3-10 mm steel protection
Payload and towing: Can carry up to about 4,000 kg of equipment or tow up to 6,500 kg

Longer MT-LB-Family Chassis

The MT-LBu differs from the baseline MT-LB by using a higher hull, a lengthened seven-road-wheel chassis, and a 300 hp diesel engine. That extra volume and payload margin made it a frequent base for command posts, artillery fire-control vehicles, radar carriers, electronic-warfare systems, and later battlefield conversions.

Family role

Specialist chassis for command, radar, signals, electronic-warfare, artillery-support, and troop-carrier adaptations.

Recognition cue

Seven road wheels per side, compared with six on the baseline MT-LB.

Common tradeoff

The chassis provides amphibious mobility and volume for equipment, but protection remains light and role-specific vehicles depend heavily on their mission electronics or mounted combat module.

Variants

The MT-LBu is best treated as the longer specialist chassis inside the MT-LB family rather than as one fixed combat fit. Public references use it as the base for artillery command vehicles, radar and electronic-warfare carriers, signals vehicles, and later wartime combat conversions.

Variant	Configuration	Designation notes
1V12 Mashina / 1V12M Faltset	Artillery command and fire-control system	Army Recognition lists the 1V12 Mashina set among MT-LBu variants, and FAS describes the ACRV M1974 family as artillery command and reconnaissance vehicles in self-propelled howitzer battalions. Sources: Army Recognition MT-LBu, FAS MT-LBu ACRV M1974
1V14 battery command and forward observer vehicle	Battery command-observation vehicle	FAS identifies the IV14/IV15 ACRV M1974 command vehicles as the battery and battalion command-observation branch of the MT-LBu-based artillery command family. Sources: FAS MT-LBu ACRV M1974
1V15 command and forward observer vehicle	Battalion command-observation vehicle	FAS identifies the IV14/IV15 ACRV M1974 command vehicles as the battery and battalion command-observation branch of the MT-LBu-based artillery command family. Sources: FAS MT-LBu ACRV M1974
1V16 artillery command vehicle	Battalion fire-direction vehicle	FAS describes the IV16 ACRV M1974 branch as a battalion fire-direction center that probably carried an electronic field-artillery computer. Sources: FAS MT-LBu ACRV M1974
R-381T Taran	Signals-intelligence and electronic-warfare system	Army Recognition and The War Zone describe Taran and Taran-M vehicles as MT-LBu-based SIGINT or electronic-warfare systems. Sources: Army Recognition MT-LBu, The War Zone Taran-M Capture
1RL239/1RL239M ARK-1/ARK-1M Rys	Artillery reconnaissance radar carrier	The MT-LBu variant list includes the ARK-1 artillery locating radar family, and the linked catalog record covers the 1RL239/1RL239M ARK-1/ARK-1M Rys system. Sources: MT-LBu Wikipedia
1L219 Zoopark-1	Artillery reconnaissance radar carrier	Army Recognition lists 1L219 Zoopark-1 as an MT-LBu-family artillery reconnaissance radar vehicle; no linked Zoopark record was present during this pass. Sources: Army Recognition MT-LBu

MT-LBu-Based Systems

The MT-LBu shares the MT-LB family lineage but is the larger specialist chassis used when command, radar, fire-control, or electronic-warfare bodies need more internal volume.

Compatible item	Item type	Compatibility evidence
MT-LB	Baseline armored tractor and carrier	MT-LBu references describe it as a larger, unarmed, lengthened derivative of the MT-LB, with a higher hull and seven road wheels per side. Sources: MT-LBu Wikipedia, Army Recognition MT-LBu
1V15 command and forward observer vehicle	Artillery command-observation vehicle	The linked 1V15 record covers one of the MT-LBu-based ACRV M1974 artillery command vehicles used for battalion command and observation. Sources: FAS MT-LBu ACRV M1974
1V14 battery command and forward observer vehicle	Battery command-observation vehicle	FAS identifies the 1V14/1V15 ACRV M1974 vehicles as the command-observation branch of the MT-LBu-based artillery command family. Sources: FAS MT-LBu ACRV M1974
1V12(M) Mashina-S/Faltset fire control system	Artillery fire-control vehicle set	Army Recognition lists the 1V12 Mashina fire-control system as an MT-LBu variant set used with Soviet self-propelled artillery units. Sources: Army Recognition MT-LBu
1V16 artillery command vehicle	Battalion fire-direction vehicle	The 1V16 branch of the ACRV M1974 family functioned as the battalion fire-direction center in the same MT-LBu-based artillery command family. Sources: FAS MT-LBu ACRV M1974
1RL239/1RL239M ARK-1/ARK-1M Rys counter-battery radar	Counter-battery radar vehicle	The ARK-1 artillery locating radar appears in MT-LBu variant lists, and the linked catalog entry covers the 1RL239/1RL239M ARK-1/ARK-1M Rys radar vehicle. Sources: MT-LBu Wikipedia

Timeline

MT-LBu Key Events

Jan 1, 1974
ACRV M1974 observed
FAS notes that the MT-LBu-based ACRV M1974 artillery command and reconnaissance vehicle family was first observed in 1974 and introduced with Soviet self-propelled howitzer units.
Sources: FAS MT-LBu ACRV M1974
Mar 17, 1991
Iraqi MT-LBu vehicles photographed after Desert Storm
U.S. military public-domain imagery documented captured Iraqi MT-LBu vehicles after Operation Desert Storm.
Sources: Commons Captured Iraqi MT-LBu 2, Commons Captured Iraqi MT-LBu 3, Commons Captured Iraqi MT-LBu Rear
Jan 1, 2020
Nagorno-Karabakh captured vehicle listed
Oryx listed an Armenian-side MT-LBu captured during the 2020 Nagorno-Karabakh war.
Sources: Oryx Nagorno-Karabakh Losses
Sep 16, 2022
Taran-M capture reported in Ukraine
The War Zone reported the Ukrainian capture of a Russian R-381T2M Taran-M SIGINT vehicle in Kharkiv Oblast and identified the Taran family as MT-LBu-based.
Sources: The War Zone Taran-M Capture