Journal profile
Otopro
ISSN 1858-411X · eISSN 2685-7863 · Mechanical Engineering Department Universitas Negeri Surabaya · Indonesia
Otopro: diamond open access (no APC); no APC; review about 16 weeks (community reports); 14 articles in 2025.
Scope
Aims, scope and focus
Otopro is published by Mechanical Engineering Department Universitas Negeri Surabaya. By OpenAlex counts of its recent articles, its largest topics are Diverse Industrial Engineering Technologies, Engine and Fuel Emissions and Advanced Combustion Engine Technologies, together about 21.5% of its articles. Its main subfields are Mechanical Engineering. (generated from OpenAlex topic counts and CAS ranking data)
Otopro Journal is published twice a year, namely May and November by the Department of Mechanical Engineering, Faculty of Engineering, Universitas Negeri Surabaya, as a media of information and a forum for the study of mechanical engineering. Contains scientific papers, summaries of research results, literature reviews and original critical ideas. The editor invited researchers, practitioners, and anyone interested in contributing writings that had never been published in other media, writing themes included: Machining Energy Conversion Materials and Metallurgy Manufacturing Mechanical Design Automotive Engineering
From the journal's Aims & Scope
Editor-in-chief A. Grummy WailanduwPublisher website
Editorial board by country: none in mainland China; most named Indonesia 25 (25 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Diverse Industrial Engineering TechnologiesEngineering8%
- Engine and Fuel EmissionsEngineering7.5%
- Advanced Combustion Engine TechnologiesChemical Engineering6%
- Welding Techniques and Residual StressesEngineering5.5%
- Engineering Applied ResearchEngineering5.5%
- Wind Energy Research and DevelopmentEngineering4.5%
- Advanced Welding Techniques AnalysisEngineering4.5%
- Turbomachinery Performance and OptimizationEngineering4.5%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Not covered
Not covered by this edition.
CAS Xinrui Journal Ranking (March 2026)Not covered
Not covered by this edition.
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
DOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- h-index
- 4OpenAlex ·
- i10-index
- 0OpenAlex ·
- 2-year mean citedness
- 0.09OpenAlex ·
- Share of gold OA articles
- 0%LetPub ·
Articles by year OpenAlex count · 151 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 7 | 7 | 6 |
| 2025 | 14 | 14 | 9 |
| 2024 | 14 | 14 | 18 |
| 2023 | 14 | 14 | 14 |
| 2022 | 14 | 14 | 18 |
| 2021 | 12 | 12 | 9 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
- Average review time (community reports)
- about 16 weeksLetPub ·
- Submission to publication (journal-reported)
- about 16 weeksDOAJ ·
- Peer review
- Single anonymous peer reviewDOAJ
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Diamond open access (no APC)DOAJ
Every article is open access and authors pay no article processing charge.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | No APC | No | CC BY-NC | |
| LetPub | No APC | No | — | |
| Publisher website | No APC | — | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
Open calls for papers1, by deadline
Publisher websiteWhat to prepare6 items from the author guidelines
- Abstract
- ≤ 300 words
- Keywords
- ≤ 5
- Reference style
- Numbered, in order of citation
- First submission
- Free format: the journal's layout is not required
- Suggested reviewers
- Optional
- Cover letter
- Required
Article types accepted2
- research articleThe type of the manuscript must be either the result of research (research article) or the result of review (review article).Length not stated
- review articleThe type of the manuscript must be either the result of research (research article) or the result of review (review article).Length not stated
Policy excerpts from the journal's websiteLicense & copyright, Open access, Peer review, Plagiarism
- License & copyright
Creative Commons Attribution-NonCommercial 4.0 International Model summary
All articles published on Otopro are open access following the Creative Commons: Attribution-NonCommercial 4.0 International.
Source ↗Publisher website ·- Open access Open Access Policy
Open access with CC-BY-NC license Model summary
This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge.
Source ↗Publisher website ·- Peer review Peer Review Process
Double-blind peer review Model summary
All articles that publish on Otopro will be selected, read and reviewed in a closed (single-blind peer review) by Reviewers who is an expert in his field. The author does not know who the reviewers is, but the reviewers knows who the author is. Acceptance of the article depends on the correctness of the content, the degree of originality, clarity of description, and compliance with the journal's o…
Source ↗Publisher website ·- Plagiarism Plagiarism policy
Originality requirement Model summary
All articles sent to the Otopro journal must be the original work of an author who is free of plagiarism from any party. The level of similarity index is less than 20%. The article sent has never been published in any media and / or is not currently being or will be submitted for publication in any media. The author is fully responsible for the authenticity of the text sent. All forms of severe pl…
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Mechanical Engineering Department Universitas Negeri Surabaya
- Country or region
- Indonesia
- Language
- Indonesian, English
- ISSN
- 1858-411X
- Electronic ISSN
- 2685-7863
- Latest issue on the website
- Volume 21, Issue 2 (May 2026)
- Official links
- Journal homepage ↗LetPub
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- Special issues ↗Publisher website
- APC information ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗LetPub
- Editorial board ↗LetPub
- Plagiarism policy ↗DOAJ
FAQ
Frequently asked questions about Otopro
How long does peer review take at Otopro?
Authors report an average review time of about 16 weeks. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
What are the manuscript requirements of Otopro?
According to the journal's author guidelines: Abstract: ≤ 300 words; Keywords: ≤ 5; Reference style: Numbered, in order of citation; First submission: Free format: the journal's layout is not required; Suggested reviewers: Optional; Cover letter: Required. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.
Where are the editorial board members of Otopro based?
Of the 25 board members whose country the journal's board page names, none are in mainland China; the countries named most often are Indonesia (25). Counted from the institutions listed on the board page; for reference only.
Which databases index Otopro?
According to LetPub and DOAJ records, Otopro is indexed in DOAJ.
Is Otopro open access, and what is the APC?
Otopro is a diamond open-access journal (no APC). It charges no article processing charge.
Sources and updates
The facts on this page come from LetPub, OpenAlex, DOAJ, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .