Class 68 locomotive
E540224
The Class 68 locomotive is a modern British diesel-electric locomotive used for passenger and freight services, known for its high performance, reliability, and distinctive angular design.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Class 68 locomotive canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5707722 — 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: Class 68 locomotive Context triple: [Chiltern Railways, rollingStockType, Class 68 locomotive]
-
A.
ACS-64 locomotives
ACS-64 locomotives are modern electric locomotives built by Siemens for Amtrak, designed for high-speed passenger service on the electrified portions of the U.S. Northeast Corridor.
-
B.
USRA 2-8-8-2 articulated locomotive
The USRA 2-8-8-2 articulated locomotive was a heavy freight steam engine design developed under the United States Railroad Administration during World War I, known for its powerful compound articulated configuration used by multiple American railroads.
-
C.
USRA 2-6-6-2 articulated locomotive
The USRA 2-6-6-2 articulated locomotive was a standardized World War I–era American steam freight engine featuring a Mallet-type articulated wheel arrangement designed for heavy, slow freight service on steep grades and curving track.
-
D.
EMD GP9 locomotive
The EMD GP9 locomotive is a widely used four-axle diesel-electric road switcher built in the 1950s that became one of North America's most successful and versatile freight and passenger locomotives.
-
E.
EMD GP7 locomotive
The EMD GP7 locomotive is a widely used four-axle diesel-electric road switcher introduced in the late 1940s that helped usher in the transition from steam to diesel power on North American railroads.
- 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: Class 68 locomotive Target entity description: The Class 68 locomotive is a modern British diesel-electric locomotive used for passenger and freight services, known for its high performance, reliability, and distinctive angular design.
-
A.
ACS-64 locomotives
ACS-64 locomotives are modern electric locomotives built by Siemens for Amtrak, designed for high-speed passenger service on the electrified portions of the U.S. Northeast Corridor.
-
B.
USRA 2-8-8-2 articulated locomotive
The USRA 2-8-8-2 articulated locomotive was a heavy freight steam engine design developed under the United States Railroad Administration during World War I, known for its powerful compound articulated configuration used by multiple American railroads.
-
C.
USRA 2-6-6-2 articulated locomotive
The USRA 2-6-6-2 articulated locomotive was a standardized World War I–era American steam freight engine featuring a Mallet-type articulated wheel arrangement designed for heavy, slow freight service on steep grades and curving track.
-
D.
EMD GP9 locomotive
The EMD GP9 locomotive is a widely used four-axle diesel-electric road switcher built in the 1950s that became one of North America's most successful and versatile freight and passenger locomotives.
-
E.
EMD GP7 locomotive
The EMD GP7 locomotive is a widely used four-axle diesel-electric road switcher introduced in the late 1940s that helped usher in the transition from steam to diesel power on North American railroads.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | diesel-electric locomotive ⓘ |
| brakeType | air ⓘ |
| builder | Vossloh España NERFINISHED ⓘ |
| configuration | dual-purpose locomotive ⓘ |
| country | United Kingdom ⓘ |
| coupling | Screw coupling ⓘ |
| designedFor |
freight services
ⓘ
passenger services ⓘ |
| enteredService | 2014 ⓘ |
| family | Vossloh Euro series NERFINISHED ⓘ |
| gauge | standard gauge ⓘ |
| introduced | 2013 ⓘ |
| length | 20.5 m ⓘ |
| livery |
Chiltern Railways silver and blue
ⓘ
Direct Rail Services blue ⓘ TransPennine Express purple and blue ⓘ |
| manufacturer | Stadler Rail NERFINISHED ⓘ |
| marketedAs | UKLight NERFINISHED ⓘ |
| maximumSpeed |
100 mph
ⓘ
160 km/h ⓘ |
| multipleWorking |
with Class 88 (limited)
ⓘ
within class ⓘ |
| notableFeature |
distinctive angular cab design
ⓘ
high power-to-weight ratio ⓘ low emissions compared to older UK diesel locomotives ⓘ |
| operator |
Chiltern Railways
NERFINISHED
ⓘ
Direct Rail Services NERFINISHED ⓘ Nuclear flask trains (via DRS contracts) ⓘ ScotRail (on hire) NERFINISHED ⓘ TransPennine Express NERFINISHED ⓘ |
| orderQuantity | 34 units (initial order and options) ⓘ |
| powerOutput | 2800 kW ⓘ |
| powerType | diesel-electric ⓘ |
| primeMover | Caterpillar C175-16 NERFINISHED ⓘ |
| relatedTo |
British Rail Class 88
NERFINISHED
ⓘ
Vossloh Euro 4000 NERFINISHED ⓘ |
| safetySystem |
AWS
NERFINISHED
ⓘ
GSM-R NERFINISHED ⓘ OTMR ⓘ TPWS NERFINISHED ⓘ |
| trackGauge | 1435 mm ⓘ |
| trainHeating | electric train supply ⓘ |
| transmission | AC traction motors ⓘ |
| UICclassification | Bo′Bo′ ⓘ |
| usedOnLine |
Anglo-Scottish services for TransPennine Express
ⓘ
Chiltern Main Line NERFINISHED ⓘ |
| weight | around 85 t ⓘ |
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: Class 68 locomotive Description of subject: The Class 68 locomotive is a modern British diesel-electric locomotive used for passenger and freight services, known for its high performance, reliability, and distinctive angular design.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.