Siemens ALC-42
E943427
The Siemens ALC-42 is a long-distance variant of Amtrak’s Siemens Charger diesel-electric locomotive, designed for higher fuel capacity and extended intercity passenger service across the United States.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Siemens ALC-42 canonical | 1 |
| Siemens ALC-42E | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11735536 — 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: Siemens ALC-42 Context triple: [Amtrak Siemens Charger locomotives, hasVariant, Siemens ALC-42]
-
A.
Siemens SD-460
The Siemens SD-460 is a light rail vehicle model built by Siemens for use on systems such as the St. Louis MetroLink.
-
B.
Siemens Avanto
Siemens Avanto is a family of light rail and tram-train vehicles developed by Siemens for urban and regional public transport systems.
-
C.
Siemens SD-400
The Siemens SD-400 is a light rail vehicle model built by Siemens for use on systems such as the St. Louis MetroLink, featuring articulated, electrically powered cars designed for urban transit.
-
D.
Siemens SD-160
The Siemens SD-160 is a high-floor light rail vehicle widely used in North American transit systems, including Calgary’s CTrain, known for its modular design and reliable urban service.
-
E.
Siemens SD100
The Siemens SD100 is a light rail vehicle model built by Siemens for use on urban trolley and light rail systems such as the San Diego Trolley.
- 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: Siemens ALC-42 Target entity description: The Siemens ALC-42 is a long-distance variant of Amtrak’s Siemens Charger diesel-electric locomotive, designed for higher fuel capacity and extended intercity passenger service across the United States.
-
A.
Siemens SD-460
The Siemens SD-460 is a light rail vehicle model built by Siemens for use on systems such as the St. Louis MetroLink.
-
B.
Siemens Avanto
Siemens Avanto is a family of light rail and tram-train vehicles developed by Siemens for urban and regional public transport systems.
-
C.
Siemens SD-400
The Siemens SD-400 is a light rail vehicle model built by Siemens for use on systems such as the St. Louis MetroLink, featuring articulated, electrically powered cars designed for urban transit.
-
D.
Siemens SD-160
The Siemens SD-160 is a high-floor light rail vehicle widely used in North American transit systems, including Calgary’s CTrain, known for its modular design and reliable urban service.
-
E.
Siemens SD100
The Siemens SD100 is a light rail vehicle model built by Siemens for use on urban trolley and light rail systems such as the San Diego Trolley.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
diesel-electric locomotive
ⓘ
passenger locomotive ⓘ |
| builder |
Siemens Mobility USA
NERFINISHED
ⓘ
Siemens Mobility, Sacramento plant NERFINISHED ⓘ |
| buildLocation | Sacramento, California NERFINISHED ⓘ |
| countryOfOperation |
United States of America
ⓘ
surface form:
United States
|
| cylinderCount | 16 ⓘ |
| designedFor |
Amtrak long-distance routes
ⓘ
higher fuel capacity ⓘ intercity passenger service ⓘ long-distance passenger service ⓘ |
| emissionsStandard | EPA Tier 4 NERFINISHED ⓘ |
| engineConfiguration | V16 ⓘ |
| engineType | Cummins QSK95 NERFINISHED ⓘ |
| enteredService | 2021 ⓘ |
| family | Siemens Charger NERFINISHED ⓘ |
| fuelType | diesel fuel ⓘ |
| gauge | standard gauge ⓘ |
| hasFeature |
AC traction motors
ⓘ
head-end power supply ⓘ larger fuel tank than SC-44 ⓘ microprocessor control system ⓘ modified carbody for long-distance service ⓘ |
| introducedBy | Amtrak NERFINISHED ⓘ |
| introducedForService | Amtrak long-distance network ⓘ |
| manufacturer | Siemens Mobility NERFINISHED ⓘ |
| maximumSpeed |
125 mph
ⓘ
201 km/h ⓘ |
| operator |
Amtrak
ⓘ
Amtrak Midwest (select services) NERFINISHED ⓘ |
| orderQuantity | 75 units (initial Amtrak order) ⓘ |
| powerOutput |
3,281 kW
ⓘ
4,400 hp ⓘ |
| powerType | diesel-electric ⓘ |
| predecessor | GE P42DC NERFINISHED ⓘ |
| primeMover | Cummins QSK95 NERFINISHED ⓘ |
| role | replacement for Amtrak P42DC on long-distance routes ⓘ |
| trackGauge | 1,435 mm ⓘ |
| tractionType | AC traction ⓘ |
| UICClassification | Bo′Bo′ ⓘ |
| usedOnService |
Amtrak California Zephyr
NERFINISHED
ⓘ
Amtrak Capitol Limited NERFINISHED ⓘ Amtrak City of New Orleans NERFINISHED ⓘ Amtrak Coast Starlight NERFINISHED ⓘ Amtrak Crescent NERFINISHED ⓘ Amtrak Empire Builder NERFINISHED ⓘ Amtrak Lake Shore Limited NERFINISHED ⓘ Amtrak Silver Service routes NERFINISHED ⓘ Amtrak Southwest Chief NERFINISHED ⓘ Amtrak Texas Eagle NERFINISHED ⓘ |
| variantOf | Siemens SC-44 NERFINISHED ⓘ |
| wheelArrangement | B-B ⓘ |
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: Siemens ALC-42 Description of subject: The Siemens ALC-42 is a long-distance variant of Amtrak’s Siemens Charger diesel-electric locomotive, designed for higher fuel capacity and extended intercity passenger service across the United States.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Siemens ALC-42E