HOME PLAIN WHEELS for 32:1 HOME

This table is to help you to pick castings for locos not in the main lists. All plain wheels are listed here in order of their internal diameters, with their equivalent sizes at 32:1 at various apparent tread thicknesses.

For images: go to the
32:1 list for 'P' numbers
or 10 mm/ft list for 'T' numbers
or other scales for 'H', 'K' and 'X' numbers
>>> click details >>> click image 		OUTSIDE dia on the TREAD Apparent
tread
PROTO 		CASTING
i/d 		APPROX. o/d in mm
including apparent
treads at 32:1 of: 		SPOKES RIM
PROTO MODEL SCALE 3″ 3½″ 4″ 4½″
P158 German class 62 carrying 2′ 9½″ 26.6 mm 32:1 3½″ 20.9 mm 25.6 26.4 27.2 28.0 7 oval Rect
P35 Duchess bogie 3′ 0″ 28.6 mm 32:1 4″ 22.1 mm 26.9 27.7 28.5 29.2 9 oval Vee
P19 GWR King bogie 3′ 0″ 28.6 mm 32:1 4″ 22.2 mm 27.0 27.8 28.6 29.4 10 oval Rect
P41 LNER bogie 3′ 2″ 30.2 mm 32:1 4¾″ 22.5 mm 27.3 28.1 28.9 29.6 10 oval Rect
P74 BR bogie 3′ 0″ 28.6 mm 32:1 3½″ 22.9 mm 27.7 28.5 29.3 30.0 9 oval Vee
P218 Nord bogie 2′ 11″ 27.8 mm 32:1 3.35″ 22.9 mm 27.7 28.5 29.3 30.0 8 oval Rect
T130 MSWJR 14, 16 pony 2′ 9″ 27.5 mm 30.48:1 2¾″ 23.0 mm 27.8 28.6 29.4 30.1 9 rect Rect
T17 Wagon, Lowmak 2′ 9″ 27.5 mm 30.48:1 2¾″ 23.2 mm 28.0 28.8 29.6 30.3 8 oval Rect
T35 LMS Duchess bogie 3′ 0″ 30.0 mm 30.48:1 4″ 23.2 mm 28.0 28.8 29.6 30.3 9 oval Vee
T96 GER T19 bogie 3′ 1″ 30.8 mm 30.48:1 4½″ 23.3 mm 28.1 28.9 29.7 30.4 8 rect Rect
T19 GWR bogie wheels 3′ 0″ 30.0 mm 30.48:1 4″ 23.5 mm 28.2 29.0 29.8 30.6 10 oval Rect
P75 GWR carrying wheels 3′ 2″ 30.2 mm 32:1 4″ 23.6 mm 28.3 29.1 29.9 30.7 10 oval Rect
T110 LNER B17 bogie 3′ 2″ 31.7 mm 30.48:1 4¾″ 23.6 mm 28.4 29.2 30.0 30.7 12 oval Rect
T74 BR bogie 3′ 0″ 30.0 mm 30.48:1 3½″ 23.7 mm 28.5 29.2 30.1 30.8 9 oval Vee
P106 GER B12 bogie 3′ 3″ 31.0 mm 32:1 4½″ 23.9 mm 28.7 29.5 30.3 31.0 10 oval Hump
P80 SR Mer Navy bogie 3′ 1″ 29.4 mm 32:1 3½″ 24.0 mm 28.8 29.6 30.4 31.1 Boxpok -
T75 GWR Prairie carrier 3′ 2″ 31.7 mm 30.48:1 4″ 24.7 mm 29.5 30.3 31.1 31.8 10 oval
P132 BR Bo-Bo Warship 3′ 3½″ 31.4 mm 32:1 4½″ 24.8 mm 29.6 30.4 31.2 31.9 Disc -
T80 SR Mer Navy bogie 3′ 1″ 30.8 mm 30.48:1 3½″ 24.9 mm 29.7 30.5 31.3 32.0 Boxpok -
T106 GER B12 bogie 3′ 3″ 32.5 mm 30.48:1 4½″ 25.0 mm 29.8 30.6 31.4 32.1 10 oval
H103 SAR 15F/GMAM bogie 2′ 6″ 31.8 mm 24:1 3″ 25.0 mm 29.8 30.6 31.4 32.1 8 oval rect
P177 LMS Scot bogie 3′ 3½″ 31.4 mm 32:1 4″ 25.1 mm 29.9 30.7 31.5 32.2 10 oval rect
P16 Wagon, solid spoke 3′ 1½″ 29.8 mm 32:1 2¾″ 25.5 mm 30.3 31.1 31.9 32.6 8 oval rect
P60 BR pony/tender 3′ 3½″ 31.4 mm 32:1 3½″ 25.7 mm 30.5 31.3 32.1 32.8 10 oval vee
P142 GCR bogie 3′ 6″ 33.3 mm 32:1 4¾″ 25.9 mm 30.7 31.5 32.3 33.0 10 oval hump
T134 LMS Black Five bogie 3′ 3½″ 32.9 mm 30.48:1 4″ 26.0 mm 30.8 31.6 32.4 33.1 10 oval vee
T191 WD/MOS pony/tender 3′ 2″ 31.7 mm 30.48:1 3½″ 26.0 mm 30.8 31.6 32.4 33.1 disc flush
T55 HR Jones Goods bogie 3′ 2½″ 32.1 mm 30.48:1 4″ 26.3 mm 31.1 31.9 32.7 33.4 8 rect rect
T177 LMS Scot bogie 3′ 3½″ 32.9 mm 30.48:1 4″ 26.4 mm 31.1 31.9 32.7 33.5 10 oval rect
T16 Wagon, solid spoke 3′ 1½″ 31.3 mm 30.48:1 2¾″ 27.0 mm 31.8 32.6 33.4 34.1 8 oval rect
T121 LNER D11 bogie 3′ 6″ 35.0 mm 30.48:1 4¾″ 27.1 mm 31.9 32.7 33.5 34.2 10 oval hump
P91 GN C2 bogie/pony 3′ 8″ 34.9 mm 32:1 4¾″ 27.2 mm 32.0 32.8 33.6 34.3 10 oval rect
P42 LNER pony, GWR 48xx 3′ 8″ 34.9 mm 32:1 4¾″ 27.3 mm 32.1 32.9 33.7 34.4 10 oval rect
T116 Cal 944 trailing 3′ 6″ 35.0 mm 30.48:1 4½″ 27.4 mm 32.2 33.0 33.8 34.5 12 oval rect
T78 GE/LNER N7 2,3 pony 3′ 6″ 35.0 mm 30.48:1 4¾″ 27.4 mm 32.2 33.0 33.8 34.5 10 oval hump
P172 Austria 113 class 3′ 4.8″ 32.4 mm 32:1 3¼″ 27.5 mm 32.3 33.1 33.9 34.6 10 oval vee
T133 Cal 944 class bogie 3′ 6″ 35.0 mm 30.48:1 4½″ 27.5 mm 32.3 33.1 33.9 34.6 10 oval rect
T67 Mid Comp/LTSR carrying 3′ 6½″ 35.4 mm 30.48:1 4½″ 27.5 mm 32.3 33.1 33.9 34.6 10 oval low rect
T138 HR Castle tender 3′ 6″ 35.0 mm 30.48:1 4½″ 27.5 mm 32.3 33.1 33.9 34.6 10 rect rect
P23 LSWR bogie, tender 3′ 7″ 34.1 mm 32:1 4″ 27.8 mm 32.6 33.4 34.2 34.9 10 oval hump
P93 BR class 22 3′ 7″ 34.1 mm 32:1 4¼″ 28.0 mm 32.8 33.6 34.4 35.1 11 oval vee
T203 CR Cardean bogie 3′ 6″ 35.0 mm 30.48:1 4″ 28.3 mm 33.1 33.9 34.7 35.4 10 oval rect
T146 CR class 123 bogie 3′ 6″ 35.0 mm 30.48:1 4″ 28.4 mm 33.2 34.0 34.8 35.5 10 rect rect
T98 GCR B5 bogie, MR tender 3′ 6″ 35.0 mm 30.48:1 4″ 28.4 mm 33.2 34.0 34.8 35.5 10 oval rect
P149 GWR Bulldog bogie 3′ 8″ 34.9 mm 32:1 4″ 28.5 mm 33.2 34.0 34.8 35.6 10 oval rect
T51 LMS Ivatt tender 3′ 6½″ 35.4 mm 30.48:1 4″ 28.5 mm 33.3 34.1 34.9 35.6 10 oval vee
P66 LNER V2 disc tender 3′ 9″ 35.7 mm 32:1 4¾″ 28.6 mm 33.4 34.2 35.0 35.7 disc flush
P81 SR Mer Navy pon 3′ 7″ 34.1 mm 32:1 3½″ 28.6 mm 33.4 34.2 35.0 35.7 boxpok -
T42 LNER A3, Project, Dee 3′ 8″ 36.7 mm 30.48:1 4¾″ 28.7 mm 33.5 34.3 35.1 35.8 10 oval rect
T66 LNER V2 etc disc 3′ 9″ 37.5 mm 30.48:1 4¾″ 29.0 mm 33.8 34.6 35.4 36.1 disc flush
P36 LMS Duchess trailing 3′ 9″ 35.7 mm 32:1 4″ 29.1 mm 33.9 34.7 35.5 36.2 11 oval vee
T23 LSWR bogy, tender 3′ 7″ 35.8 mm 30.48:1 4″ 29.1 mm 33.9 34.7 35.5 36.2 10 oval hump
H104 SAR 15F pony, tender 2′ 10″ 36.0 mm 24:1 3″ 29.2 mm 34.0 34.8 35.6 36.3 10 oval rect
T14 GER/LNER F4, N7, Claud 3′ 9″ 37.5 mm 30.48:1 5″ 29.5 mm 34.3 35.1 35.9 36.6 10 oval hump
T182 Lanc. carrier 3′ 7½″ 36.3 mm 30.48:1 4″ 29.7 mm 34.5 35.3 36.1 36.8 10 oval rect
T81 Mer Navy trailing 3′ 7″ 35.8 mm 30.48:1 3½″ 30.0 mm 34.7 35.5 36.3 37.1 Boxpok -
P31 GER tender 4′ 1″ 38.9 mm 32:1 5″ 30.1 mm 34.9 35.7 36.5 37.2 10 oval low hump
T149 GWR Prairie trailing 3′ 8″ 36.7 mm 30.48:1 4″ 30.1 mm 34.9 357 36.5 37.2 10 oval rect
T125 LNWR Problem tender 3′ 9″ 37.5 mm 30.48:1 4″ 30.5 mm 35.3 36.1 36.9 37.6 10 rect rect
T36 LMS Duchess pony 3′ 9″ 37.5 mm 30.48:1 4″ 30.9 mm 35.7 36.5 37.3 38.0 11 oval vee
T56 HR Jones tender 3′ 9½″ 37.9 mm 30.48:1 4″ 31.3 mm 36.1 36.9 37.7 38.4 10 rect rect
T165 LSWR X2 bogie, tender 3′ 9¾″ 38.1 mm 30.48:1 4″ 31.5 mm 36.3 37.1 37.9 38.6 10 oval hump
T31 GER tender 4′ 1″ 40.8 mm 30.48:1 5″ 31.6 mm 36.4 37.2 38.0 38.7 10 oval low hump
P167 MR Spinner, leading 3′ 9½″ 36.1 mm 32:1 3″ 31.8 mm 36.6 37.4 38.2 38.9 12 oval rect
T34 GER/LNER E4 pony 4′ 0″ 40.0 mm 30.48:1 4½″ 32.0 mm 36.8 37.6 38.4 39.1 12 rect v. low
P44 LNER disc tender 4′ 2″ 39.7 mm 32:1 4¾″ 32.0 mm 36.8 37.6 38.4 39.1 disc rect
P43 LNER spoked tender 4′ 2″ 39.7 mm 32:1 4¾″ 32.1 mm 36.9 37.7 38.5 39.2 12 oval rect
P92 GN C2 tenders 4′ 2″ 39.7 mm 32:1 4¾″ 32.3 mm 37.1 37.9 38.7 39.4 12 oval rect
T61 GN bogie 4′ 0″ 40.0 mm 30.48:1 4″ 33.1 mm 37.9 38.7 39.5 40.2 12 rect rect
T44 LNER disc tender 4′ 2″ 41.7 mm 30.48:1 4¾″ 33.2 mm 38.0 38.8 39.6 40.3 disc flush
T43 LNER A3, P2 tender 4′ 2″ 41.7 mm 30.48:1 4¾″ 33.4 mm 38.2 39.0 39.8 40.5 12 oval rect
P124 GCR tender 4′ 4″ 41.3 mm 32:1 5¼″ 33.5 mm 38.3 39.1 39.9 40.6 13 oval hump
T167 MR Spinner bogie 3′ 9½″ 38.3 mm 30.48:1 3½″ 33.5 mm 38.3 39.1 39.9 40.6 12 oval rect
T181 LSWR 6 wheel tender 4′ 0″ 40.0 mm 30.48:1 4″ 33.6 mm 38.4 39.2 40.0 40.7 12 oval hump
P222 Nord tender 4′ 1.3″ 39.1 mm 32:1 3.35″ 33.8 mm 38.6 39.4 40.2 40.9 10 oval rect
P38 LMS tender 4′ 3″ 40.5 mm 32:1 4″ 34.2 mm 39.0 39.8 40.6 41.3 12 oval vee
T124 GCR 4,000 gal tender 4′ 4″ 43.3 mm 30.48:1 5¼″ 34.3 mm 39.1 39.9 40.7 41.4 13 oval hump
P59 LMS Fowler tender 4′ 3″ 40.5 mm 32:1 4″ 34.3 mm 39.1 39.9 40.7 41.4 12 oval rect
P20 GWR tender 4′ 1½″ 39.3 mm 32:1 3″ 34.6 mm 39.4 40.2 41.0 41.7 12 oval rect
T236 LNWR Teutonic leading 4′ 1½″ 41.3 mm 30.48:1 4″ 34.7 mm 39.5 40.3 41.1 41.8 12 rect rect
T162 GWR Dean tender 4′ 1½″ 41.3 mm 30.48:1 4″ 34.8 mm 39.6 40.4 41.2 41.9 12 rect rect
T63 GN Stirling trailing 4′ 1″ 40.8 mm 30.48:1 3½″ 35.0 mm 39.8 40.6 41.4 42.1 10 rect rect
T59 LMS Fowler tender 4′ 3″ 42.5 mm 30.48:1 4″ 35.5 mm 40.3 41.1 41.8 42.6 12 oval rect
T38 LMS Duchess tender 4′ 3″ 42.5 mm 30.48:1 4″ 35.7 mm 40.5 41.3 42.1 42.8 12 oval vee
T20 GWR King tender 4′ 1½″ 41.3 mm 30.48:1 3″ 36.1 mm 40.9 41.7 42.5 43.3 12 oval rect
P169 MR Spinner tender 4′ 4″ 41.3 mm 32:1 3½″ 36.5 mm 41.3 42.1 42.9 43.6 12 oval rect
T97 GC tender 4′ 4″ 43.3 mm 30.48:1 4″ 36.7 mm 41.5 42.3 43.1 43.8 13 oval rect
T148 CR 123 trailing 4′ 6″ 45.0 mm 30.48:1 4″ 38.5 mm 43.3 44.1 44.9 45.6 14 rect rect
T169 MR Spinner trailing 4′ 4″ 43.3 mm 30.48:1 3″ 38.7 mm 43.5 44.3 45.1 45.8 12 oval rect
T161 Dean trailing 4′ 7½″ 46.3 mm 30.48:1 4″ 39.9 mm 44.7 45.5 46.3 47.0 14 rect rect