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Gallery of plain wheels in order of internal diameter

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The images all link to cross section turning diagrams.
Plain driving wheels for locos without bosses for pins are included here (locos with outside frames).
Surface colour differences are partly due to the materials used for grit blasting for removal of the ceramic coating.

Diagrams Index   .   Table of wheels in order of internal diameters


The dimensions shown are internal diameters. Add back on twice your tyre width to get the overall diameter of your particular wheel.
The images are full size when displayed at 85 dpi.
Image of casting B35
Disc wheel

16.2 mm

Image of casting B19

16.2 mm

Image of casting C252

16.4 mm

Image of casting B41

16.5 mm

Image of casting B110

16.6 mm

Image of casting B74

16.8 mm

Image of casting B339

16.9 mm

Image of casting B75

17.0 mm

Image of casting B75

17.0 mm

Image of casting B80
Disc wheel
17.7 mm
Image of casting B60
Disc wheel
18.8 mm

Image of casting B42
Disc wheel

20.1 mm

Image of casting B51
Disc wheel

20.2 mm

Image of casting P306
Disc wheel

20.3 mm

Image of casting B66
Disc wheel

20.8 mm

Image of casting B149

20.9 mm

Image of casting P158

20.9 mm

Image of casting B81
Disc wheel

21.0 mm

Image of casting P316

21.1 mm

Image of casting P19

22.1 mm

Image of casting P35

22.1 mm

Image of casting B36

21.4 mm

Image of casting P41
22.6 mm
Image of casting P110

22.7 mm

Image of casting P218

22.9 mm

Image of casting P74

22.9 mm

The dimensions shown are internal diameters. Add back on twice your tyre width to get the overall diameter of your particular wheel.
The images are full size when displayed at 85 dpi.

Image of casting T130

23.0 mm

Image of casting T17

23.2 mm

Image of casting P252

23.3 mm

Image of casting T96
23.3 mm
Image of casting T35
23.4 mm

Image of casting T19
23.5 mm
Image of casting P321

23.5 mm

Image of casting B43
23.6 mm
Image of casting B44
23.6 mm
Image of casting T110
23.6 mm

Image of casting T74

23.7 mm

Image of casting P75

23.7 mm

Image of casting T41
23.8 mm
Image of casting C253
23.9 mm
Image of casting P106
23.9 mm

Image of casting P80

24.0 mm

Image of casting H333
24.2 mm
Image of casting P134
24.5 mm
Image of casting P132
24.7 mm
Image of casting T75
24.9 mm

Image of casting T80

24.9 mm

Image of casting B38
Disc wheel
25.0 mm

The dimensions shown are internal diameters. Add back on twice your tyre width to get the overall diameter of your particular wheel.
The images all link to cross section turning diagrams. The images are full size when displayed at 85 dpi.

For larger wheels go to 7¼ inch gauge



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14 June 2018