Oryx's visually documented full-scale invasion loss lists record three Russian MT-LBs with 14.5 mm BPU-1 turrets destroyed and one Ukrainian MT-LB with a BPU-1 turret destroyed, supporting use of the improvised configuration on both sides of the war.
Armored Vehicles
MT-LB with 14.5 mm BPU-1 turret
Also known as
- MT-LB BPU-1
- MT-LB with BPU-1 turret
- MT-LB with KPVT turret
- MT-LB with 14.5mm BPU-1 turret
- MT-LB with BRDM-2 turret
- MT-LB with BTR turret
The MT-LB with 14.5 mm BPU-1 turret is an improvised armored fighting vehicle that places a conical BPU-1 machine-gun turret, normally associated with BRDM-2 and BTR-family vehicles, onto the Soviet MT-LB tracked carrier. Open-source loss records document both Russian and Ukrainian examples in the 2014 Russia-Ukraine War, making the vehicle a narrow but useful example of how both sides converted available armored chassis into heavier direct-fire platforms.
Role in Conflicts
Profile / Specs
Profile
- Origin
- Soviet Union base vehicle and turret; improvised conversions documented in Russia and Ukraine
- Built by
- Kharkiv Tractor Plant
- Built in
- Soviet UnionUkraine
- Type
- Improvised tracked armored fire-support vehicle
- Service note
- Cold War components adapted during the full-scale phase of the 2014 Russia-Ukraine War
- Designer
- Soviet MT-LB and BPU-1 design teams; conversion workshops not publicly identified
- Designed
- MT-LB from the 1960s; BPU-1 turret from BRDM-2/BTR-family vehicles; improvised conversion documented by 2022
- Produced
- Field and workshop conversion of existing MT-LB hulls and BPU-1 turret stocks
Specifications
- Armament
- BPU-1 turret with 14.5 mm KPVT heavy machine gun and coaxial 7.62 mm PKT machine gun
- Base vehicle
- MT-LB tracked armored carrier and artillery tractor
- Conversion type
- Field or workshop conversion using existing MT-LB hulls and BPU-1/KPVT turret assemblies
- Gun caliber
- 14.5x114 mm for the KPVT; 7.62x54 mmR for the PKT coaxial machine gun
- KPVT rate of fire
- About 550-600 rounds per minute cyclic for the KPVT gun
- Effective range
- Weaponsystems.net gives the KPV/KPVT family practical effective ranges of about 2 km against ground targets and 1.5 km against aircraft, depending on mount and sights
- Mobility
- Tracked MT-LB chassis; mobility varies by donor hull condition and conversion weight
- Protection
- Light MT-LB welded-steel armor with turret protection dependent on the salvaged BPU-1 installation
Variants
Public evidence treats the vehicle as an improvised conversion rather than a standardized production model. The key distinction is whether the fitted turret is recorded as a generic BPU-1/KPVT turret or as a donor upper hull section from a BRDM-2 or BTR-family vehicle.
| Variant | Configuration | Designation notes |
|---|---|---|
| Russian MT-LB with 14.5 mm BPU-1 turret | Tracked fire-support conversion | Oryx records three Russian examples destroyed during the full-scale invasion, using the label MT-LB with 14.5 mm BPU-1 turret. |
| Ukrainian MT-LB with BPU-1 turret | Tracked fire-support conversion | Oryx records one Ukrainian example destroyed, while Popular Mechanics describes Ukrainian MT-LBs fitted with BPU-1 turrets taken from BTR wheeled APCs. Sources: Oryx Ukrainian Equipment Losses In Ukraine, Popular Mechanics MT-LB Mutant Vehicles, Popular Mechanics Ukrainian Slapped-Together Vehicles |
Base Chassis And Gun Family
This conversion joins two already cataloged Soviet components: the MT-LB tracked carrier and the KPV/KPVT 14.5 mm machine-gun family used in the BPU-1 turret.
| Compatible item | Item type | Compatibility evidence |
|---|---|---|
 | Tracked armored carrier chassis | The conversion uses the MT-LB as the tracked base vehicle, replacing the normal light armament with a heavier turreted 14.5 mm gun installation. Sources: Oryx Russian Equipment Losses In Ukraine, Oryx Ukrainian Equipment Losses In Ukraine, Popular Mechanics MT-LB Mutant Vehicles |
 | 14.5 mm heavy machine-gun family | The BPU-1 installation centers on the KPVT vehicle derivative of the KPV family; Weaponsystems.net identifies KPVT use on BRDM-2, BTR-60PB, BTR-70, and BTR-80 vehicles. Sources: Vladimirov KPV |
Conversion Pattern
The sourced record points to a practical battlefield adaptation: crews or workshops reused available BPU-1 turret assemblies from BRDM-2 or BTR-family vehicles and mounted them on MT-LB hulls. That changed the MT-LB from a light carrier and tractor into a heavier machine-gun fire-support vehicle, while retaining the base chassis' light armor and tracked mobility.
Turret fit
Army Guide identifies the BPU-1 mount as carrying a 14.5 mm KPVT, a 7.62 mm PKT, and smoke grenade equipment in BTR-80-style installations.
Source: BTR-70 Modernization.
Conflict evidence
Oryx records destroyed Russian and Ukrainian MT-LB/BPU-1 examples in the full-scale Russia-Ukraine War loss lists.
Sources: Oryx Russian Equipment Losses In Ukraine; Oryx Ukrainian Equipment Losses In Ukraine.
Sourcing limit
The sources support documented examples and component identity, not a known official designation, production count, or common factory standard.
Timeline
MT-LB with 14.5 mm BPU-1 turret Key Events
Ukrainian BPU-1 conversions reported
Defense writer Sebastien Roblin described Ukrainian MT-LBs fitted with 14.5 mm BPU-1 turrets from BTR-family armored personnel carriers during the full-scale war.
Sources: Popular Mechanics MT-LB Mutant Vehicles, Popular Mechanics Ukrainian Slapped-Together Vehicles
Russian loss image date appears in Oryx evidence
One linked Oryx image record for a Russian MT-LB with BPU-1 turret carries a June 7, 2024 destruction label, illustrating the conversion's continued appearance after the initial invasion year.
Sources: Oryx Russian Equipment Losses In Ukraine
Media
MT-LB with 14.5 mm BPU-1 turret Images
Related Weapon Systems
Sources
Oryx Russian Equipment Losses In UkrainePublisher: Oryx | Note: Supports 2014 Russia-Ukraine War direct-use evidence: Russian forces fielded MT-LBs with 14.5 mm BPU-1 turrets, with three visually documented destroyed examples during the full-scale invasion. Also supports exact-vehicle image provenance through the linked loss images. | Accessed: 2026-07-02Oryx Ukrainian Equipment Losses In UkrainePublisher: Oryx | Note: Supports 2014 Russia-Ukraine War direct-use evidence: Ukrainian forces fielded an MT-LB with BPU-1 turret, with one visually documented destroyed example during the full-scale invasion. Also supports exact-vehicle image provenance through the linked loss image. | Accessed: 2026-07-02Popular Mechanics MT-LB Mutant VehiclesPublisher: Popular Mechanics | Note: Supports 2014 Russia-Ukraine War direct-use context by reporting that Ukraine fitted MT-LBs with BPU-1 turrets during the full-scale war; also supports background on the 14.5 mm KPVT gun and BTR-family turret donor context. | Accessed: 2026-07-02Popular Mechanics Ukrainian Slapped-Together VehiclesPublisher: Popular Mechanics | Note: Supports 2014 Russia-Ukraine War direct-use context by reporting Ukrainian MT-LBs fitted with conical 14.5 mm BPU-1 gun turrets from BTR wheeled armored personnel carriers; also supports slat-armor and conversion background. | Accessed: 2026-07-02BTR-70 ModernizationPublisher: Army Guide | Note: Supports BPU-1 turret equipment details, including the 14.5 mm KPVT, 7.62 mm PKT, and smoke grenade equipment. | Accessed: 2026-07-02Vladimirov KPVPublisher: Weaponsystems.net | Note: Supports KPVT background, caliber, rate of fire, effective range, vehicle-use derivative context, and BRDM-2/BTR-family platform use. | Accessed: 2026-07-02Commons Soviet MT-LB ImagePublisher: Wikimedia Commons | Note: Supports public-domain image provenance for the contextual base MT-LB chassis gallery image; the primary image is the exact BPU-1 conversion from the Oryx-linked loss evidence. | Accessed: 2026-07-02