Japanese Steam Locomotives (pre-1919)

All dimensions metric: lengths in mm, areas in m2, weights in metric tons, pressures in atmospheres.

Class Axle
Arr.
Dr.
Dia.
Cylinders
Diameter x Stroke
B.P. Ad
Wt
EW
WO
Grate
Area
Evap
Surf
Sup.
Surf
Remarks
45 Bt 800 292x406   7 16 16 0.5 35 none  
150 1'Bt 1295 305x457   8.4 14 19 0.8 53 none  
500 1'B1't 1245 356x508 10.5 21 37 1.1 66 none  
860 1'B1't 1245 381(1)/572(1)x508 12.6 22 38 1.1 71 none  
1745 Ct 1145 368x508 11.2 32 32 1.7 59 none  
2100 C1't 1220 406x610   9.8 39 49 1.3 93 none  
2120 C1't 1250 406x610 12.6 40 51 1.3 93 none  
3200 1'C1't 1245 406x610 12.6 41 57 1.9 87 none  
3920 1'Crt 1220 432x559 11.2 35 41 1.5 91 none 299x406 rack cyls.
3950 1'C1'rt 1220 432x559 11.2 35 47 1.5 91 none 299x406 rack cyls.
4100 Et 1250 533x610 13 62 62 1.9 114 30  
4110 Et 1250 533x610 13 65 65 2.2 118 32  
4500 B'Bt 1000 310/490x540 12.4 43 43 1.4 77 none Mallet
4510 B'Bt 1145 300/490x530 12.7 44 44     none Mallet
4600 B'B 1245 394/622x610 12.7 59 59 2.0 155 none Mallet
5100 2'B 1370 381x559   9.8 19 28 1.1 77 none  
5300 2'B 1370 394x559   9.1 20 28 1.3 83 none  
5500 2'B 1395 406x559 12 20 32 1.3 73 none  
5600 2'B 1370 406x559 10.5 23 35 1.6 90 none  
5650 2'B 1370 406x559 10.5 21 32 1.3 79 none  
6000 2'B 1500 432(1)/635(1)x610 12.7 24 39 1.2 97 none  
6600 2'B1' 1420 406x559 12.7 24 46 2.8 145 none  
6700 2'B 1600 406x610 12.7 29 46 1.6 105 none  
6750 2'B 1600 470x610 12.7 27 44 1.6 80 21  
6760 2'B 1600 470x610 12.7 27 45 1.6 89 28  
7030 C 1065 356x559   9.8 24 24 1.1 76 none  
7650 1'C 1220 432x559 11.2 34 39 1.4 95 none  
7750 1'C 1220 432(1)/635(1)x559 12.7 37 42 1.5 92 none 7750/1 orig.
7750 1'C 1220 432x559 11.2 38 41 1.5 92 none  
7800 1'C 1220 432x559 11.2 37 42 1.5 92 none  
8620 1'C 1600 470x610 13 42 49 1.6 89 28  
8700 2'C 1600 445x610 12.4 36 48 1.9 133 none  
8700 2'C 1600 445x610 12.4 36 48 1.9 101 34  
8800 2'C 1600 470x610 12.7 37 51 1.9 112 27  
8800 2'C 1600 470x610 13 40 54 1.9 102 34 Reboilered
8850 2'C 1600 470x610 12.7 39 56 1.8 111 28  
8850 2'C 1600 470x610 13 40 58 1.8 102 34 Reboilered
8900 2'C1' 1600 470x610 12.7 39 63 2.5 131 30  
9020 (1B)'B 1245 394/622x610 12.7 58 62 2.0 155 none Ex 4600
9550 1'D 1245 457x610 12.7 54 61 1.9 153 none  
9580 1'D 1245 483x610 12.7 54 61 1.9 123 37  
9600 1'D 1250 508x610 13 53 60 2.3 128 34  
9700 1'D1' 1145 470x610 12.7 42 54 1.5 92 none  
9750 C'C 1245 394/622x610 14 65 65 2.0 121 31 Mallet
9800 C'C 1245 406/635x610 14 66 66 2.0 165 30 Mallet
9850 C'C 1245 406/635x610 14 69 69 2.1 125 36 Mallet

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