# 2-12-2

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Locomotive wheel arrangement

Under the [Whyte notation](/source/Whyte_notation) for the classification of [steam locomotives](/source/Steam_locomotive), **2-12-2** represents the [wheel arrangement](/source/Wheel_arrangement) of two [leading wheels](/source/Leading_wheel) on one axle (usually in a [leading truck](/source/Leading_truck)), twelve powered and coupled [driving wheels](/source/Driving_wheel) on six axles, and two [trailing wheels](/source/Trailing_wheel) on one axle (usually in a [trailing truck](/source/Trailing_truck)).

## Equivalent classifications

Other equivalent classifications are:

- [UIC classification](/source/UIC_classification): **1′F1′** (also known as German classification and [Italian classification](/source/Italian_classification))

- [French classification](/source/French_classification): **161**

- [Turkish classification](/source/Turkish_classification): **68**

- [Swiss classification](/source/Swiss_classification): **6/8**

## Use

### Austria

The [Deutsche Reichsbahn](/source/Deutsche_Reichsbahn) and later the [Austrian Federal Railways](/source/Austrian_Federal_Railways) operated two [Class 97.4](https://en.wikipedia.org/w/index.php?title=Class_97.4_(locomotive)&action=edit&redlink=1) 2-12-2T tank locomotives, both built in 1941.[1]

### Indonesia

An Indonesian F10 locomotive

[Hanomag](/source/Hanomag) and [Werkspoor](/source/Werkspoor) built a cumulative total of 28 JSS 800, came in 1912-1920. The [SS 800s](/source/Indonesian_Railways_class_SS_800_%2F_F10) (2-12-2Ts or 1′F1′ h2t in [UIC notation](/source/UIC_notation)) also known as *Javanic* had been used by the [Staatsspoorwegen](/source/Staatsspoorwegen) in freight service in [Java](/source/Java_(island)) and [Sumatra](/source/Sumatra), Dutch East Indies, now Indonesia. They were assigned the railroad numbers 801-823 and H130-134.[2] After [Indonesian Independence](/source/Proclamation_of_Indonesian_Independence), they were renumbered as F1001-F1026 by [Indonesian State Railways](/source/Kereta_Api_Indonesia).[3]

## References

1. **[^](#cite_ref-1)** ["2-12-2 Locomotives in Austria"](http://www.steamlocomotive.com/locobase.php?country=Austria&wheel=2-12-2&page=as).

1. **[^](#cite_ref-2)** Book, in Dutch: "De stoomtractie op Java en Sumatra", author: J.J.G. Oegema, year 1982, [ISBN](/source/ISBN_(identifier)) [9789020115208](https://en.wikipedia.org/wiki/Special:BookSources/9789020115208)

1. **[^](#cite_ref-3)** ["Steam Locomotive Roster, Page 1"](https://keretapi.tripod.com/steamroster.html). *keretapi.tripod.com*. Retrieved 2021-04-09.

v t e Steam locomotive wheel arrangements (Whyte notation) Single engine types 0-2-2 0-2-4 2-2-0 2-2-2 2-2-4T 4-2-0 4-2-2 4-2-4T 6-2-0 0-3-0 (monorail) 0-4-0 0-4-0+4 0-4-2 0-4-4T 0-4-6T 2-4-0 2-4-2 2-4-4T 2-4-6T 4-4-0 4-4-2 4-4-4 4-4-6 0-6-0 0-6-2 0-6-4T 0-6-6T 2-6-0 2-6-2 2-6-4 2-6-6T 4-6-0 4-6-2 4-6-4 0-8-0 0-8-2 0-8-4T 0-8-6T 2-8-0 2-8-2 2-8-4 2-8-6 4-8-0 4-8-2 4-8-4 4-8-6 6-8-6 0-10-0 0-10-2 2-10-0 2-10-2 2-10-4 4-10-0 4-10-2 0-12-0 2-12-0 2-12-2 2-12-4T 4-12-2 4-14-4 Divided drive and duplex engine types 0-2-2-0 2-2-2-0 2-2-2-2 2-2-4-0T 4-2-2-0 2-4-6-2 4-4-4-4 6-4-4-6 4-4-6-4 4-6-4-4 Articulated locomotives Fairlie, Meyer and Garratt types 0-4-0+0-4-0 2-4-0+0-4-2 2-4-2+2-4-2 4-4-2+2-4-4 0-6-0+0-6-0 0-6-2+2-6-0 2-6-0+0-6-2 2-6-2+2-6-2 4-6-0+0-6-4 4-6-2+2-6-4 4-6-4+4-6-4 0-8-0+0-6-0T 2-8-0+0-8-2 2-8-2+2-8-2 4-8-0+0-8-4 4-8-2+2-8-4 4-8-4+4-8-4 Articulated locomotives Mallet types 0-4-4-0 0-4-4-2 2-4-4-0 2-4-4-2 0-6-6-0 2-6-6-0 2-6-6-2 2-6-6-4 2-6-6-6 2-6-8-0 4-4-6-2 4-6-6-2 4-6-6-4 0-8-8-0 2-8-8-0 2-8-8-2 2-8-8-4 4-8-8-2 4-8-8-4 2-10-10-2 Articulated locomotives Triplex and other multiplex types 2-8-8-8-2 2-8-8-8-4 2-8-8-8-8-2 0-6-2+2-4-2-4-2+2-6-0 2-6-6-2+2-6-6-2 2-8-8-8-8-8-2 2-10-10-10-10-10-2 2-4-4-2+2-8-8-2+2-4-4-2 Articulated locomotives Engerth types 0-4-4T 0-4-6T 2-6-4 0-6-4T 0-6-4-0 0-8-4T 0-8-6T Geared locomotives Shay Climax Heisler Willamette Other notation forms: AAR Swiss UIC

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Adapted from the Wikipedia article [2-12-2](https://en.wikipedia.org/wiki/2-12-2) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/2-12-2?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.