British Rail Class 66

British Rail Class 66 - class of Co′Co′ diesel-electric locomotives. Article “British Rail Class 66” in English Wikipedia has 70 points for quality (as of July 1, 2025). The article contains 237 references and 26 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 30 points.

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

In June 2025 the article “British Rail Class 66” was edited by 5 authors in English Wikipedia and written by 7 authors in all languages.

Since the creation of article “British Rail Class 66”, its content was written by 318 registered users of English Wikipedia and edited by 383 registered Wikipedia users in all languages.

The article is cited 294 times in English Wikipedia and cited 479 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #8693 in June 2020
• Global: #40032 in August 2014

The highest popularity rank from 2008:

• Local (English): #98412 in July 2016
• Global: #170202 in July 2016

There are 6 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) British Rail Class 66		70
2	French (fr) Class 66		17.4064
3	Chinese (zh) 英国铁路66型柴油机车		15.7651
4	Catalan (ca) British Rail Class 66		13.2284
5	Japanese (ja) イギリス鉄道66形ディーゼル機関車		4.9785
6	Simple English (simple) British Rail Class 66		4.788

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

The most popular language versions of the article "British Rail Class 66" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) British Rail Class 66		1 320 788
2	French (fr) Class 66		77 636
3	Japanese (ja) イギリス鉄道66形ディーゼル機関車		22 601
4	Simple English (simple) British Rail Class 66		6 700
5	Chinese (zh) 英国铁路66型柴油机车		3 857
6	Catalan (ca) British Rail Class 66		208

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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 "British Rail Class 66" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) British Rail Class 66		8 479
2	French (fr) Class 66		336
3	Japanese (ja) イギリス鉄道66形ディーゼル機関車		114
4	Simple English (simple) British Rail Class 66		45
5	Chinese (zh) 英国铁路66型柴油机车		30
6	Catalan (ca) British Rail Class 66		6

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

Language versions of the article "British Rail Class 66" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) British Rail Class 66		318
2	French (fr) Class 66		41
3	Japanese (ja) イギリス鉄道66形ディーゼル機関車		10
4	Catalan (ca) British Rail Class 66		5
5	Simple English (simple) British Rail Class 66		5
6	Chinese (zh) 英国铁路66型柴油机车		4

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

Language versions of the article "British Rail Class 66" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) British Rail Class 66		5
2	Chinese (zh) 英国铁路66型柴油机车		2
3	Catalan (ca) British Rail Class 66		0
4	French (fr) Class 66		0
5	Japanese (ja) イギリス鉄道66形ディーゼル機関車		0
6	Simple English (simple) British Rail Class 66		0

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

Language versions of the article "British Rail Class 66" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) British Rail Class 66		294
2	Simple English (simple) British Rail Class 66		126
3	French (fr) Class 66		38
4	Japanese (ja) イギリス鉄道66形ディーゼル機関車		20
5	Chinese (zh) 英国铁路66型柴油机车		1
6	Catalan (ca) British Rail Class 66		0

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#	Language	Value
ca	Catalan British Rail Class 66
en	English British Rail Class 66
fr	French Class 66
ja	Japanese イギリス鉄道66形ディーゼル機関車
simple	Simple English British Rail Class 66
zh	Chinese 英国铁路66型柴油机车

Best Rank

English: #98412 07.2016

Global: #170202 07.2016

Best Rank

English: #8693 06.2020

Global: #40032 08.2014

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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