Type 61 tank
E810770
The Type 61 tank is a post–World War II Japanese main battle tank developed by Mitsubishi as Japan’s first domestically produced tank for the postwar Self-Defense Forces.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Type 61 tank canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9554134 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Type 61 tank Context triple: [Type 74 main battle tank, designedToReplace, Type 61 tank]
-
A.
T-62 tank
The T-62 tank is a Soviet main battle tank introduced in the early 1960s, notable for being one of the first production tanks armed with a smoothbore gun and widely deployed during the Cold War.
-
B.
TAM medium tank
The TAM medium tank is an Argentine-designed and -produced main battle tank developed in the 1970s to provide the country with a modern, mobile armored fighting vehicle suited to its terrain and military needs.
-
C.
M3 Lee tank
The M3 Lee tank was an American World War II medium tank notable for its tall profile and combination of hull-mounted main gun and turret-mounted secondary gun, serving as an important early-war design before being replaced by the M4 Sherman.
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D.
Type 74 main battle tank
The Type 74 main battle tank is a Japanese Cold War–era tank developed by Mitsubishi Heavy Industries, featuring a 105 mm rifled gun and advanced (for its time) fire-control systems, and used primarily by the Japan Ground Self-Defense Force.
-
E.
T-55 tank
The T-55 tank is a Soviet-designed main battle tank widely exported and used around the world during the Cold War, known for its simplicity, reliability, and extensive combat service.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Type 61 tank Target entity description: The Type 61 tank is a post–World War II Japanese main battle tank developed by Mitsubishi as Japan’s first domestically produced tank for the postwar Self-Defense Forces.
-
A.
T-62 tank
The T-62 tank is a Soviet main battle tank introduced in the early 1960s, notable for being one of the first production tanks armed with a smoothbore gun and widely deployed during the Cold War.
-
B.
TAM medium tank
The TAM medium tank is an Argentine-designed and -produced main battle tank developed in the 1970s to provide the country with a modern, mobile armored fighting vehicle suited to its terrain and military needs.
-
C.
M3 Lee tank
The M3 Lee tank was an American World War II medium tank notable for its tall profile and combination of hull-mounted main gun and turret-mounted secondary gun, serving as an important early-war design before being replaced by the M4 Sherman.
-
D.
Type 74 main battle tank
The Type 74 main battle tank is a Japanese Cold War–era tank developed by Mitsubishi Heavy Industries, featuring a 105 mm rifled gun and advanced (for its time) fire-control systems, and used primarily by the Japan Ground Self-Defense Force.
-
E.
T-55 tank
The T-55 tank is a Soviet-designed main battle tank widely exported and used around the world during the Cold War, known for its simplicity, reliability, and extensive combat service.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese tank
ⓘ
main battle tank ⓘ post–World War II tank ⓘ |
| category |
Cold War tanks
ⓘ
Tanks of Japan NERFINISHED ⓘ |
| combatRole | main battle tank ⓘ |
| countryOfOrigin | Japan ⓘ |
| crew | 4 ⓘ |
| crewRoles |
commander
ⓘ
driver ⓘ gunner ⓘ loader ⓘ |
| designer | Mitsubishi Heavy Industries NERFINISHED ⓘ |
| developedFor |
Japan Ground Self-Defense Force
NERFINISHED
ⓘ
Japan Self-Defense Forces NERFINISHED ⓘ |
| developmentStart | 1950s ⓘ |
| enginePower | 570 hp ⓘ |
| engineType | Mitsubishi HM21 WT diesel NERFINISHED ⓘ |
| era | Cold War ⓘ |
| firstDomesticTankPostwar | true GENERATED ⓘ |
| hasVariant |
Type 61 ARV
NERFINISHED
ⓘ
Type 67 155 mm self-propelled howitzer (based on chassis) NERFINISHED ⓘ |
| height | 2.49 m ⓘ |
| hullArmorType | welded steel ⓘ |
| introduced | 1961 ⓘ |
| length | 8.19 m ⓘ |
| manufacturer | Mitsubishi Heavy Industries NERFINISHED ⓘ |
| maximumSpeed | 45 km/h ⓘ |
| numberBuilt | 560 ⓘ |
| operationalRange | 200 km ⓘ |
| originContext | post–World War II Japan rearmament ⓘ |
| primaryArmament | 90 mm rifled gun ⓘ |
| primaryUser | Japan Ground Self-Defense Force NERFINISHED ⓘ |
| productionEnd | 1975 ⓘ |
| productionStart | 1961 ⓘ |
| replacedBy | Type 74 tank NERFINISHED ⓘ |
| retiredFromService | 2000s ⓘ |
| secondaryArmament |
12.7 mm M2 Browning machine gun
NERFINISHED
ⓘ
7.62 mm coaxial machine gun ⓘ |
| serviceEntry | 1961 ⓘ |
| successor | Type 74 tank NERFINISHED ⓘ |
| suspension | torsion bar ⓘ |
| turretArmorType | cast steel ⓘ |
| usedBy | Japan Ground Self-Defense Force NERFINISHED ⓘ |
| usedIn |
domestic defense
ⓘ
training ⓘ |
| weight | 35 tonnes ⓘ |
| width | 2.95 m ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Type 61 tank Description of subject: The Type 61 tank is a post–World War II Japanese main battle tank developed by Mitsubishi as Japan’s first domestically produced tank for the postwar Self-Defense Forces.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.