Data Quality84%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the tanks category.
01 / Overview
Object 906 (PT-85)
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TANKS · EARLY COLD WAR
34
PERFORMANCE/PRICE
40
UNIT COST (2025 USD)
—
ⓘ 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
- Main Gun Calibre85 mm
- Main Gun TypeSmoothbore
- Main Gun Length (Calibres)55
- Muzzle Velocity (Max)950 m/s
- Effective Range (Main Gun)2,000 m
- Ammunition Stowage45
- Can Fire APFSDSYes
- Can Fire HEATNo
- Can Fire HE-FragYes
- Can Fire ATGMNo
- Coaxial / Secondary MG Count1
▣Protection4MOD.4
- Armour TypeWelded Rolled Homogeneous Armour (RHA)
- Has APSNo
- NBC ProtectionYes
- Smoke GrenadesYes
◇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
▤Electronics & Optics8MOD.8
⬢Amphibious & Special4MOD.4
- AmphibiousYes
- Snorkel / Deep Wading Depth2.5 m
- Mine Plough CapabilityNo
- Dozer Blade CapabilityNo
▲Production & Service3MOD.3
- Years in Production2 year
- Current Service StatusPrototype Only
- Notable Variants Count0
03 / History
SERVICE LIFESPANStill in Service
- 1955Production started
- 1957Production ended
71
years in service
2
years in production
1
countries operating
05 / MASS Score
TANKS RANKING Tanks · Early Cold War
MASS RANKINGSMASS ↗
ⓘ Rankings are within theTankscategory.
📖 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