Retarder (mechanical engineering)

Retarder - device for slowing down large trucks, lorries, buses, coaches and other vehicles. Article "Retarder (mechanical engineering)" in English Wikipedia has 17.2 points for quality (as of July 1, 2025). The article contains 3 references and 7 sections. The article also contains quality flaw template, which reduce quality score.

This article has the best quality in French Wikipedia. However, this article is the most popular in English version.

Since the creation of article "Retarder (mechanical engineering)", its content was written by 60 registered users of English Wikipedia and edited by 320 registered Wikipedia users in all languages.

The article is cited 39 times in English Wikipedia and cited 837 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #63484 in July 2024
• Global: #54968 in August 2007

The highest popularity rank from 2008:

• Local (English): #113528 in February 2016
• Global: #58475 in October 2022

There are 18 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	French (fr) Ralentisseur (poids lourd)		24.4754
2	Slovak (sk) Retardér (brzda)		22.4081
3	German (de) Retarder		19.5483
4	English (en) Retarder (mechanical engineering)		17.1549
5	Swedish (sv) Retarder		15.9236
6	Turkish (tr) Hız kesici		14.8409
7	Japanese (ja) リターダ		12.3257
8	Spanish (es) Retardador (ingeniería)		12.2329
9	Russian (ru) Тормоз-замедлитель		10.9347
10	Serbian (sr) Ретардер		10.5504

More...

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

The most popular language versions of the article "Retarder (mechanical engineering)" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Retarder (mechanical engineering)		1 116 173
2	German (de) Retarder		827 017
3	Russian (ru) Тормоз-замедлитель		574 956
4	Japanese (ja) リターダ		500 665
5	Polish (pl) Zwalniacz		337 810
6	French (fr) Ralentisseur (poids lourd)		117 224
7	Italian (it) Retarder		102 259
8	Czech (cs) Retardér (brzda)		94 574
9	Swedish (sv) Retarder		86 493
10	Turkish (tr) Hız kesici		57 475

More...

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 "Retarder (mechanical engineering)" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Retarder (mechanical engineering)		2 677
2	German (de) Retarder		1 864
3	Russian (ru) Тормоз-замедлитель		1 684
4	Japanese (ja) リターダ		979
5	French (fr) Ralentisseur (poids lourd)		624
6	Polish (pl) Zwalniacz		534
7	Italian (it) Retarder		324
8	Persian (fa) ریتاردر		313
9	Czech (cs) Retardér (brzda)		296
10	Ukrainian (uk) Ретардер		237

More...

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

Language versions of the article "Retarder (mechanical engineering)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	German (de) Retarder		63
2	English (en) Retarder (mechanical engineering)		60
3	Polish (pl) Zwalniacz		30
4	Russian (ru) Тормоз-замедлитель		28
5	Japanese (ja) リターダ		23
6	Turkish (tr) Hız kesici		20
7	French (fr) Ralentisseur (poids lourd)		17
8	Norwegian (no) Retarder		17
9	Swedish (sv) Retarder		16
10	Italian (it) Retarder		13

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 "Retarder (mechanical engineering)" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Arabic (ar) معوق (هندسة ميكانيكية)		0
2	Czech (cs) Retardér (brzda)		0
3	German (de) Retarder		0
4	English (en) Retarder (mechanical engineering)		0
5	Spanish (es) Retardador (ingeniería)		0
6	Persian (fa) ریتاردر		0
7	French (fr) Ralentisseur (poids lourd)		0
8	Italian (it) Retarder		0
9	Japanese (ja) リターダ		0
10	Norwegian (Nynorsk) (nn) Retardar		0

More...

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

Language versions of the article "Retarder (mechanical engineering)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Japanese (ja) リターダ		431
2	French (fr) Ralentisseur (poids lourd)		164
3	German (de) Retarder		90
4	English (en) Retarder (mechanical engineering)		39
5	Polish (pl) Zwalniacz		37
6	Russian (ru) Тормоз-замедлитель		21
7	Czech (cs) Retardér (brzda)		14
8	Italian (it) Retarder		9
9	Swedish (sv) Retarder		7
10	Norwegian (no) Retarder		5

More...

#	Language	Value
ar	Arabic معوق (هندسة ميكانيكية)
cs	Czech Retardér (brzda)
de	German Retarder
en	English Retarder (mechanical engineering)
es	Spanish Retardador (ingeniería)
fa	Persian ریتاردر
fr	French Ralentisseur (poids lourd)
it	Italian Retarder
ja	Japanese リターダ
nn	Norwegian (Nynorsk) Retardar
no	Norwegian Retarder
pl	Polish Zwalniacz
ru	Russian Тормоз-замедлитель
sk	Slovak Retardér (brzda)
sr	Serbian Ретардер
sv	Swedish Retarder
tr	Turkish Hız kesici
uk	Ukrainian Ретардер

Best Rank

English: #113528 02.2016

Global: #58475 10.2022

Best Rank

English: #63484 07.2024

Global: #54968 08.2007

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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