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Object906(PT-85)

Tanks · Russia · 1955
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Object906(PT-85)

* Absolute score — assessed within category · no era adjustment
Firepower
45
Protection
20
Mobility
65
Technology
30
Reliability
70
Crew Survivability
35
Operational Range
50
Logistics
60
Historical Performance
25
Strategic Impact
15
Origin Russia
CategoryTanks
EraEarly Cold War
In service1955–1957
Operators1 countries
Data Quality84%
MASS(Military Archive Scoring System)
41
Tanks MASS Rating
34/54
Early Cold War
259/563
All-Time
Tanks · 10 axes scored
Firepower
45
Protection
20
Mobility
65
Technology
30
Reliability
70
Crew Survivability
35
Operational Range
50
Logistics
60
Historical Performance
25
Strategic Impact
15
ⓘ Regardless of era, the same scoring system applies to all units in the tanks category.
01 / Overview
Object 906 (PT-85)
Category
Country
Production
1955–1957
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TANKS · EARLY COLD WAR
34
PERFORMANCE/PRICE
40
UNIT COST (2025 USD)
—
41
tanks category
ⓘ Performance/Price and MASS score are computed across all units in the tanks category, regardless of era.
02 / Specs & Design
◎General5MOD.5
  • Tank ClassificationLight Tank
  • GenerationCold War
  • Combat Weight12 t
  • Crew Size3
  • Service Entry Year1955
◈Firepower11MOD.11
◇Mobility9MOD.9
  • Engine Power300 hp
  • Power-to-Weight Ratio25 hp/t
  • Fuel TypeDiesel
  • Transmission TypeManual
  • Suspension TypeTorsion Bar
  • Max Road Speed45 km/h
  • Max Off-Road Speed30 km/h
  • Operational Range (Road)300 km
  • Fording Depth1.2 m
◆Dimensions4MOD.4
  • Length (Hull)5.5 m
  • Width2.9 m
  • Height2.2 m
  • Ground Clearance0.4 m
⬢Amphibious & Special4MOD.4
▲Production & Service3MOD.3
  • Years in Production2 year
  • Current Service StatusPrototype Only
  • Notable Variants Count0
03 / History
SERVICE LIFESPANStill in Service
  1. 1955Production started
  2. 1957Production ended
71
years in service
2
years in production
1
countries operating
04 / Operators
Operator Countries1country
📖 TERMS ON THIS PAGE12terms
Armour-piercing fin-stabilized discarding sabot: a type of kinetic energy penetrator ammunition.
Type of internal combustion engine fuel, refined from crude oil.
High-Explosive Fragmentation: ammunition that explodes on impact, releasing fragments.
A tank with reduced armor and weight for increased mobility.
Manual: a tank transmission in which the driver selects gear changes manually, typically using a clutch pedal and gear lever to engage gears.
A fire control system relying on optical sights and manual input for aiming and range estimation without computer assistance.
Nuclear, Biological, Chemical protection for tank crews.
Handheld or vehicle-mounted devices that release dense smoke to obscure vision, conceal movements, or screen friendly forces from enemy observation.
A smoothbore gun is a firearm with an unrifled barrel, allowing projectiles to travel without spin; it is commonly used in modern tank main guns for firing fin‑stabilized ammunition.
A torsion bar is a steel rod that resists twisting and serves as a spring in tank suspensions, with one end fixed to the hull and the other connected to a lever arm moving the road wheel.
Armour made by welding and rolling homogeneous steel plates.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Tanks entry →