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Gauge 0 wheel castings, by INTERNAL DIAMETERS
or see these castings ARRANGED BY TURNED TREAD DIAMETER
or see the GALLERIES of IMAGES:   PLAIN,   DRIVING WHEELS

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TREAD DIAMETERS are a fairly good guide to wheel size, but remember that due to apparent tyre thickness varying from wheel to wheel by 3 to 5 inches, you will need to refer to the diagrams to find the internal diameters and to see the machining allowances on the castings.

Gauge 0 scales: B = 1:43.54 (7 mm/ft),   C = 1:45.

Find the casting on this page: B18, B19, B20, B35, B36, B37, B38, B41, B42, B43, B44, B51, B55, B56, B60, B64, B65, B66, B74, B79, B80, B81, B111, B113, B149, B159, B185, B292, B310, B327, B339, B340, B341, B351, B352, B353, B374, B375, B382, B383, B384, B385, B394, B395, B407, B408, B409, B410, C252, C253, C254, C255, C256, C348, C349, C350, C365, C368, C370, C371, C372, C373, C386, C387, C388, C389, C390, C391, C392, C393, C397, C398, C399, C411, C412, C416, C417, C418.

Finding the right casting size if you know the apparent tread.

Look for the casting i/d which matches your model diameter on the tread (the normal nominal o/d), less TWICE the apparent tread at your scale.

Example: 5'0" nominal dia. wheel with a 3½ inch apparent tread at a scale of 1:32.
Model dia on tread = 47.6 mm, twice the apparent tread = 5.6mm, so your target casting internal dia is 42.0 mm.

There is some variation in the castings, but the measurements are usually accurate within ± 0.1 mm.

CASTING Dia.
Proto.
Spokes Plain
or
driver
Pin Cast
wts
Tread
dia
mm.
Casting
i/d
mm.
Wheel data
with image
Stock
C 349 1' 11½" 7 oval spokes Plain - - Switzerland. Furka 2-6-0T Rack Loco. 13.3 10.5 Wheel data Stock
B 19 3' 0" 10 oval spokes Plain - - GWR King bogies 21.0 16.2 Wheel data Stock
B 35 3' 0" 9 oval spokes Plain - - LMS bogie, thicker tyre than BR No 74. (Vee rim). 21.0 16.2 Wheel data Stock
C252 3' 0" 8 oval spokes Plain - - Netherlands 4-6-0 NS 3700 class bogie. 20.3 16.4 Wheel data Stock
C 390 3' 3" 9 oval spokes Plain - - Netherlands. NS 5500 bogie 22.0 16.4 Wheel data Stock
B 41 3' 2" 10 oval spokes Plain - - LNER A3, B1, V2 bogie 22.2 16.5 Wheel data Stock
B 74 3' 0" 9 oval spokes Plain - - BR bogie. (Vee rim). 21.0 16.8 Wheel data Stock
B 339 3' 1" 9 rect spokes Plain - - LTSR 4-4-2T No 1 class. 21.6 16.9 Wheel data Stock
C 350 2' 11" 11 oval spokes Plain - - Switzerland. Furka 2-6-0T Rack loco. (910 mm) 20.2 17.3 Wheel data Stock
B 80 3' 1" Boxpok Plain - - SR Merchant Navy, West Country, Battle of Britain 21.6 17.7 Wheel data Stock
B 407 3' 0½" 9 rect spokes Plain - - NSWGR 4-4-0 Z12 (C79, C80) bogie 21.3 17.8 Wheel data Stock
B 55 3' 3" 8 rect spokes Plain - - Highland Jones Goods bogie 22.8 18.2 Wheel data Stock
C 393 3' 6" 10 oval spokes Plain - - Netherlands. NS 5500 trailing 23.7 18.2 Wheel data Stock
B 60 3' 3½" 10 oval spokes Plain - - BR tender. (Vee rim). 23.0 18.8 Wheel data Stock
B 113 3' 6" 10 oval spokes Plain - - Caledonian 944 4-6-2T bogies 24.5 18.95 Wheel data Stock
C 399 3' 7½" 10 rect spokes Plain - - Netherlands, NS 3200 tender 24.6 19.1 Wheel data Stock
C 389 3' 4¾" 10 oval spokes Plain - - Austrian BBÖ class 73 tender 23.0 19.6 Wheel data Stock
C 370 3' 7.3" 12 rect spokes Plain - - Netherlands. NS 1000 bogies. 1100 mm 24.4 20.1 Wheel data Stock
B 42 3' 8" 10 oval spokes Plain - - LNER A3, V2 trailing 25.7 20.1 Wheel data Stock
B 51 3' 6½" 10 oval spokes Plain - - LMS Ivatt tender. Vee rim. 24.8 20.2 Wheel data Stock
C 418 3' 7.3" 10 oval spokes Plain - - Netherlands. 2-4-2T. NS 7100. 1100 mm. 24.4 20.5 Wheel data Stock
C 411, 412 3' 7.3" 12 oval spokes Drivers B 9.4" Yes Netherlands. 0-4-0T. NS 8100. 1100 mm. 24.4 20.5 Wheel data Stock
B 66 3' 9" disc Plain - - LNER 4,200 gall tenders for A2/1, B1, B17, D49, J38, J39, K3, K4, O2, V2 26.3 20.8 Wheel data Stock
B 149 3' 8" 10 oval spokes Plain - - GWR carrying wheel 25.7 20.9 Wheel data Stock
B 81 3' 7" Boxpok Plain - - SR Merchant Navy, West Country, Battle of Britain 25.1 21.0 Wheel data Stock
C 368 3' 7.3" 10 oval spokes Plain - - Holland. NS 3700 8 wheel tenders 24.4 21.0 Wheel data Stock
B 36 3' 9" 11 oval spokes Plain - - LMS 4-6-2 Duchess pony. (Vee rim). 26.3 21.4 Wheel data Stock
C 386,7,8 3' 8.1" Disc Drivers 6.3 Yes Austrian BBÖ class 73 24.9 21.8 Wheel data Stock
B 410 3' 6½" 10 rect spokes Plain - - NSWGR 4-4-0 Z12 (C79, C80) tender 24.8 21.8 Wheel data Stock
B 56 3' 9½" 10 rect spokes Plain - - Highland tender 26.5 21.9 Wheel data Stock
C 372 4' 0" 12 rect spokes Plain - - Netherlands 4-4-0 1300 class tender (early). 27.1 23.1 Wheel data Stock
B 353 4' 0" 12 oval spokes Plain - - LBSC tender. 28.0 23.2 Wheel data Stock
B 43 4' 2" 12 oval spokes Plain - - GN/LNER. (=4'1" for thin tyred early tenders). 29.2 23.6 Wheel data Stock
B 44 4' 2" Disc Plain - - GN/LNER. 29.2 23.6 Wheel data Stock
C 253 4' 0" 12 oval spokes Plain - - Netherlands 4-6-0 3700 class tender 27.1 23.9 Wheel data Stock
B 38 4' 3" 12 oval spokes Plain - - LMS tender 29.8 25.0 Wheel data Stock
B 20 4' 1½" 12 oval spokes Plain - - GWR Churchward and Collett tenders 28.9 25.2 Wheel data Stock
B 394, 395 4' 6" 13 rect spokes Driver B 10" Yes Kitson, Taff Vale K,L, M 31.5 27.1 Wheel data Stock
B 159 4' 8½" 15 oval spokes Driver B 14" No LMS Stanier 8F 33.0 27.9 Wheel data Stock
C397, 398 5' 0" 16 rect spokes Drivers IL 10" Yes Netherlands, 0-6-0 NS 3200 class. C397 mid 33.9 28.4 Wheel data Stock
C 416, 417 5' 0" 16 oval spokes Drivers B 11" Yes Netherlands. NS 7100 33.9 29.9 Wheel data Stock
B 351, 2 5' 2" 16 oval spokes Driver IL 12" Yes LNER 0-6-0 J39 36.2 30.8 Wheel data Stock
B 384, 385 5' 3½" 15 rect spokes Driver B 12" Yes HR 4-4-0 Skye Bogie 37.0 31.4 Wheel data Stock
B 292 5' 3" 16 oval spokes Driver B 13" No LMS/BR Ivatt driver 36.8 32.6 Wheel data Stock
C 391, 392 5' 11" 18 oval spokes Driver IL 10" Yes Netherlands. NS 5500 drivers 40.1 34.7 Wheel data Stock
B 408, 409 5' 6½" 18 rect spokes Drivers IL 12" Yes NSWGR 4-4-0 Z12 (C79, C80) class 38.8 35.2 Wheel data Stock
C 254,5,6 6' 0¾" 18 oval spokes Driver B 12" Yes Netherlands 4-6-0 class 700 41.1 36.6 Wheel data Stock
C 348 6' 0¾" 18 oval spokes Driver B 12" Yes Netherlands 4-6-0 class 1200 41.1 36.6 Wheel data Stock
C 371 6' 1.2" 18 rect spokes Driver IL 11" No Netherlands 1000 class. 1860 mm. 41.3 36.8 Wheel data Stock
B 374, 375 6' 0" 20 oval spokes Driver Il 10" Yes NBR 4-4-0 K/LNER D34 drivers 42.0 37.0 Wheel data Stock
B 327 6' 0" 20 oval spokes Driver IL 15" No GWR early Hall 42.0 37.0 Wheel data Stock
B 64, 65 6' 2" 18 oval spokes Driver B 13" Yes LNER P2, V2 43.2 37.4 Wheel data Stock
B 340 - 341 6' 1" 17 rect spokes Driver IL 13" Yes LTSR 4-4-2T No 1 class. 42.6 37.8 Wheel data Stock
B 382,3 6' 3½" 9 rect spokes Driver B12" Yes HR 4-4-0 Loch class 44.0 38.5 Wheel data Stock
B 111 6' 3" 21 oval spokes Driver IL 15" No GWR 4-6-0 Hawksworth County 43.8 38.7 Wheel data Stock
B 79 6' 2" Boxpok Driver B 12" No SR Merchant Navy, West Country, Battle of Britain 43.2 39.2 Wheel data Stock
B 310 6' 8½" 22 oval spokes Driver B 13" No GWR 4-6-0 late Castle 47.0 41.7 Wheel data Stock
B 18 6' 6" 22 oval spokes Driver B 14" No GWR King. Reinforced spokes near pin 45.5 41.9 Wheel data Stock
B 185 6' 8½" 22 oval spokes Driver IL 13" No GWR Star, early Castle, North Star 47.0 41.9 Wheel data Stock
B 37 6' 9" 20 oval spokes Driver B 14" No LMS 4-6-2 Duchess 47.3 42.3 Wheel data Stock
C 365, 366 7' 0" 22 oval spokes Driver - Yes Netherlands 4-4-0 NS 1700. Plain hub. 47.4 43.5 Wheel data Stock
C 373 7' 0" 22 rect spokes Plain - - Netherlands 4-4-0 1300 class (early). Plain hub. 47.4 43.8 Wheel data Stock


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