Locomotiva UP FEF

Union Pacific FEF series - three classes of American 4-8-4 locomotives. Article “Locomotiva UP FEF” in Italian Wikipedia has 21.1 points for quality (as of July 1, 2025). The article contains 4 references and 10 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Italian) language version.

Since the creation of article “Locomotiva UP FEF”, its content was written by 5 registered users of Italian Wikipedia and edited by 81 registered Wikipedia users in all languages.

The article is cited 3 times in Italian Wikipedia and cited 47 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Italian): #13813 in March 2023
• Global: #92671 in May 2019

The highest popularity rank from 2008:

• Local (Italian): #464884 in March 2023
• Global: #313030 in May 2019

There are 5 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Union Pacific FEF series		41.644
2	German (de) UP-Klasse FEF		35.9838
3	Chinese (zh) 聯合太平洋FEF型蒸汽機車		30.0073
4	Italian (it) Locomotiva UP FEF		21.1165
5	Japanese (ja) ユニオン・パシフィック鉄道800形蒸気機関車		7.5157

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "Locomotiva UP FEF" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Union Pacific FEF series		236 915
2	German (de) UP-Klasse FEF		31 213
3	Japanese (ja) ユニオン・パシフィック鉄道800形蒸気機関車		27 704
4	Chinese (zh) 聯合太平洋FEF型蒸汽機車		2 649
5	Italian (it) Locomotiva UP FEF		761

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Locomotiva UP FEF" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Union Pacific FEF series		1 801
2	Japanese (ja) ユニオン・パシフィック鉄道800形蒸気機関車		164
3	German (de) UP-Klasse FEF		142
4	Chinese (zh) 聯合太平洋FEF型蒸汽機車		21
5	Italian (it) Locomotiva UP FEF		16

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Locomotiva UP FEF" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Union Pacific FEF series		50
2	German (de) UP-Klasse FEF		16
3	Japanese (ja) ユニオン・パシフィック鉄道800形蒸気機関車		7
4	Italian (it) Locomotiva UP FEF		5
5	Chinese (zh) 聯合太平洋FEF型蒸汽機車		3

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Locomotiva UP FEF" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	German (de) UP-Klasse FEF		0
2	English (en) Union Pacific FEF series		0
3	Italian (it) Locomotiva UP FEF		0
4	Japanese (ja) ユニオン・パシフィック鉄道800形蒸気機関車		0
5	Chinese (zh) 聯合太平洋FEF型蒸汽機車		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Locomotiva UP FEF" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Union Pacific FEF series		26
2	Japanese (ja) ユニオン・パシフィック鉄道800形蒸気機関車		9
3	German (de) UP-Klasse FEF		8
4	Italian (it) Locomotiva UP FEF		3
5	Chinese (zh) 聯合太平洋FEF型蒸汽機車		1

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#	Language	Value
de	German UP-Klasse FEF
en	English Union Pacific FEF series
it	Italian Locomotiva UP FEF
ja	Japanese ユニオン・パシフィック鉄道800形蒸気機関車
zh	Chinese 聯合太平洋FEF型蒸汽機車

Best Rank

Italian: #464884 03.2023

Global: #313030 05.2019

Best Rank

Italian: #13813 03.2023

Global: #92671 05.2019

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information