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RSR 21 and 22

class of 2 Thai diesel-mechanical locomotives
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RSR 21 and 22

Summary

RSR 21 and 22 is a locomotive class[1].

Key Facts

  • RSR 21 and 22 is in the country of Thailand[2].
  • RSR 21 and 22's image is recorded as SRT Class 21 (B).jpg[3].
  • RSR 21 and 22's instance of is recorded as locomotive class[4].
  • RSR 21 and 22's operator is recorded as State Railway of Thailand[5].
  • RSR 21 and 22's manufacturer is recorded as Swiss Locomotive and Machine Works[6].
  • RSR 21 and 22's subclass of is recorded as diesel-mechanical locomotive[7].
  • RSR 21 and 22's has use is recorded as switcher[8].
  • RSR 21 and 22's Commons category is recorded as SLM locomotives of the State Railway of Thailand[9].
  • RSR 21 and 22's country of origin is recorded as Switzerland[10].
  • RSR 21 and 22's powered by is recorded as diesel engine[11].
  • RSR 21 and 22's service entry is recorded as +1928-00-00T00:00:00Z[12].
  • RSR 21 and 22's service retirement is recorded as +1964-00-00T00:00:00Z[13].
  • RSR 21 and 22's track gauge is recorded as 1000 mm track gauge[14].
  • RSR 21 and 22's total produced is recorded as {'unit': '1', 'amount': '+2'}[15].
  • RSR 21 and 22's length is recorded as {'unit': 'http://www.wikidata.org/entity/Q174789', 'amount': '+8200'}[16].
  • RSR 21 and 22's speed is recorded as {'unit': 'http://www.wikidata.org/entity/Q180154', 'amount': '+40'}[17].
  • RSR 21 and 22's nominal power output is recorded as {'unit': 'http://www.wikidata.org/entity/Q160857', 'amount': '+180'}[18].
  • RSR 21 and 22's serial number is recorded as 3208 – 3209[19].
  • RSR 21 and 22's fleet or registration number is recorded as 21 – 22[20].
  • RSR 21 and 22's wheel arrangement is recorded as 0-4-0dm[21].
  • RSR 21 and 22's wheelbase is recorded as {'unit': 'http://www.wikidata.org/entity/Q174789', 'amount': '+2800'}[22].

Body

Geography

RSR 21 and 22 is in the country of Thailand[2].

Physical Characteristics

RSR 21 and 22's length is recorded as {'unit': 'http://www.wikidata.org/entity/Q174789', 'amount': '+8200'}[16]. Its speed is recorded as {'unit': 'http://www.wikidata.org/entity/Q180154', 'amount': '+40'}[17].

Designation and Status

RSR 21 and 22's instance of is recorded as locomotive class[4].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). RSR 21 and 22. Retrieved October 1, 2026, from https://4ort.xyz/entity/rsr-21-and-22
MLA “RSR 21 and 22.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Oct. 2026, https://4ort.xyz/entity/rsr-21-and-22.
BibTeX @misc{4ortxyz_rsr-21-and-22_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{RSR 21 and 22}}, year = {2026}, url = {https://4ort.xyz/entity/rsr-21-and-22}, note = {Accessed: 2026-10-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): RSR 21 and 22 — https://4ort.xyz/entity/rsr-21-and-22 (retrieved 2026-10-01)

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