# 0-8-6T

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Locomotive wheel arrangement

An **0-8-6**, in the [Whyte notation](/source/Whyte_notation) for the classification of [steam locomotives](/source/Steam_locomotive) by [wheel arrangement](/source/Wheel_arrangement),[1] is a locomotive with no [leading wheels](/source/Leading_wheel), eight [driving wheels](/source/Driving_wheel) (4 axles) fixed in a rigid frame, and six [trailing wheels](/source/Trailing_wheel) (normally mounted in a [trailing truck](/source/Trailing_truck)). All locomotives using this wheel arrangement were [tank locomotives](/source/Tank_locomotives).

Examples of this type of locomotive were built by [Wilhelm von Engerth](/source/Engerth_locomotive).

## Equivalent classification

Other equivalent classifications are:

- [UIC classification](/source/UIC_classification): **D3** (also known as German classification and [Italian classification](/source/Italian_classification))

- [French classification](/source/French_classification): **043**

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

## References

1. **[^](#cite_ref-1)** ["Wheel Arrangements"](https://web.archive.org/web/20160304190511/http://www.railway-technical.com/whlarr.shtml). Railway Technical Web Pages. 1 August 2011. Archived from [the original](http://www.railway-technical.com/whlarr.shtml) on 2016-03-04. Retrieved 1 August 2011.

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