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# Trailing wheel and Whyte notation

## Difference between Trailing wheel and Whyte notation

### Trailing wheel vs. Whyte notation

On a steam locomotive, a trailing wheel or trailing axle is generally an unpowered wheel or axle (wheelset) located behind the driving wheels. The Whyte notation for classifying steam locomotives by wheel arrangement was devised by Frederick Methvan Whyte, and came into use in the early twentieth century following a December 1900 editorial in American Engineer and Railroad Journal.

## Similarities between Trailing wheel and Whyte notation

Trailing wheel and Whyte notation have 14 things in common (in Unionpedia): AAR wheel arrangement, Bogie, Driving wheel, Duplex locomotive, Leading wheel, Mason Bogie, Steam locomotive, UIC classification of locomotive axle arrangements, 2-6-6-6, 2-8-2, 4-4-0, 4-8-4, 6-4-4-6, 6-8-6.

### AAR wheel arrangement

The AAR wheel arrangement system is a method of classifying locomotive (or unit) wheel arrangements that was developed by the Association of American Railroads.

### Bogie

A bogie (in some senses called a truck in North American English) is a chassis or framework carrying wheelsets, attached to a vehicle, thus serving as a modular subassembly of wheels and axles.

### Driving wheel

On a steam locomotive, a driving wheel is a powered wheel which is driven by the locomotive's pistons (or turbine, in the case of a steam turbine locomotive).

### Duplex locomotive

A duplex locomotive is a steam locomotive that divides the driving force on its wheels by using two pairs of cylinders rigidly mounted to a single locomotive frame; it is not an articulated locomotive.

The leading wheel or leading axle or pilot wheel of a steam locomotive is an unpowered wheel or axle located in front of the driving wheels.

### Mason Bogie

The Mason Bogie is a type of articulated steam locomotive suited for sharp curves and uneven track, once commonly used on narrow gauge lines in the United States.

### Steam locomotive

A steam locomotive is a type of railway locomotive that produces its pulling power through a steam engine.

### UIC classification of locomotive axle arrangements

The UIC classification of locomotive axle arrangements, sometimes known as German classificationThe Railway Data File.

### 2-6-6-6

The 2-6-6-6 (in Whyte notation) is an articulated locomotive type with 2 leading wheels, two sets of six driving wheels and six trailing wheels. Only two classes of the 2-6-6-6 type were built.

### 2-8-2

Under the Whyte notation for the classification of steam locomotives, represents the wheel arrangement of two leading wheels on one axle, usually in a leading truck, eight powered and coupled driving wheels on four axles and two trailing wheels on one axle, usually in a trailing truck.

### 4-4-0

Under the Whyte notation for the classification of steam locomotives by wheel arrangement, represents the arrangement of four leading wheels on two axles, usually in a leading bogie, four powered and coupled driving wheels on two axles, and no trailing wheels.

### 4-8-4

Under the Whyte notation for the classification of steam locomotives, represents the wheel arrangement of four leading wheels on two axles, eight powered and coupled driving wheels on four axles and four trailing wheels on two axles.

### 6-4-4-6

A 6-4-4-6 steam locomotive, in the Whyte notation for describing locomotive wheel arrangements, is one with six leading wheels, two sets of four driving wheels, and six trailing wheels.

### 6-8-6

Under the Whyte notation for the classification of steam locomotives by wheel arrangement, represents the arrangement of six unpowered leading wheels arranged into a three-axle leading truck, eight powered driving wheels, and six unpowered trailing wheels arranged into a three-axle trailing truck.

### The list above answers the following questions

• What Trailing wheel and Whyte notation have in common
• What are the similarities between Trailing wheel and Whyte notation

## Trailing wheel and Whyte notation Comparison

Trailing wheel has 22 relations, while Whyte notation has 149. As they have in common 14, the Jaccard index is 8.19% = 14 / (22 + 149).

## References

This article shows the relationship between Trailing wheel and Whyte notation. To access each article from which the information was extracted, please visit:

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