九州地区 機関区別蒸気機関車配置表 Ｓ４６．３／３１
| 九州総局１３形式３５４両 | |||
| 機関区 | 形式 | 機関車番号 | 保有数 |
| 門司鉄道管理局 ８形式２１５両 | |||
| 門司機関区(42) | 9600 | 39618.39668.39681.39683.49605.49618.49624.49663.69608.69686.79601 | 11 |
| C11 | 44.104.299.301.340.347.365.373.375.376.379 | 11 | |
| D51 | 45.134.160.175.199.244.275.344.374.375.537.567.661.783.790.799.875.881.918.1021 | 20 | |
| 若松機関区(24) | 8620 | 38629.38634.58694.68660.88622 | 5 |
| 9600 | 19633.19636.29661.29670.29692.49654.69646 | 7 | |
| C55 | 19.46.51.52.53.57 | 6 | |
| C57 | 53 | 1 | |
| D50 | 140.205 | 2 | |
| D51 | 42.206.542 | 3 | |
| 行橋機関区(22) | 9600 | 19626.19688.29612.39639.39669.39682.49691.59647.59684.69614.69615.69642. 79657.79668 |
14 |
| C11 | 161.162.163.195.197.293.294.349 | 8 | |
| 後藤寺機関区(13) | 9600 | 19696.29602.29608.29611.29651.49656.49675.59681.79600.79669 | 10 |
| C11 | 116.119.302 | 3 | |
| 直方機関区(39) | 9600 | 19659.19680.29695.39601.39620.39625.39638.39642.49619.49664.49679.49688. 69613.69632.69638.79635.79652 |
17 |
| C11 | 196.258.341 | 3 | |
| D60 | 22.25.26.27.28.31.32.33.34.46.52.57.58.61.62.63.67.69.71 | 19 | |
| 鳥栖機関区(31) | 8620 | 38628.38681.68623.68649 | 4 |
| 9600 | 29641.39641.39659.49620 | 4 | |
| C11 | 169.173.200.282.337 | 5 | |
| D51 | 10.361.382.496.531.540.610.807.814.924.948.1022.1062.1064.1082.1150.1155.1157 | 18 | |
| 西唐津機関区(9) | 9600 | 19637.19656.29600.29656.39640.69610.79605.79620.79624 | 9 |
| 早岐機関区(31) | 8620 | 28627.28629.48647.48676.48695.58648.58697 | 7 |
| 9600 | 59630.59679 | 2 | |
| C11 | 160.165.192.193.194.254.257.259.260.336.370 | 11 | |
| C57 | 124.154.155.158.174.175 | 6 | |
| D51 | 46.182.215.225.250 | 5 | |
| 佐々機関区(1) | C11 | 284 | 1 |
| 大分鉄道管理局 ７形式３１両 | |||
| 大分機関区(13) | 8620 | 58689.78684 | 2 |
| C11 | 270 | 1 | |
| C57 | 17 | 1 | |
| C58 | 105.112.115.124.224.227.350 | 7 | |
| D60 | 64.65 | 2 | |
| 豊後森機関区(1) | 8620 | 78627 | 1 |
| 南延岡機関区(17) | 8620 | 48692.48693.78626 | 3 |
| C12 | 55.93 | 2 | |
| D51 | 9.12.176.485.541.949.1032.1035.1036.1081.1141.1142 | 12 | |
| 熊本鉄道管理局 ６形式４７両 | |||
| 熊本機関区(28) | 9600 | 39680.59670.69616.69665.69680.69699.79602.79608.79653 | 9 |
| C11 | 36.42.48.61.62.78.86.91.190.191.297.298.346 | 13 | |
| C12 | 222.225 | 2 | |
| D51 | 222.255.482.655 | 4 | |
| 人吉機関区(19) | 8620 | 38633.58654 | 2 |
| C57 | 9.37.48.100.130.169.186 | 7 | |
| D51 | 170.477.545.572.587.668.687.890.1058.1151 | 10 | |
| 鹿児島鉄道管理局 １０形式６１両 | |||
| 鹿児島機関区(17) | 8620 | 48674.48679.48696 | 3 |
| B20 | 10 | 1 | |
| C12 | 208.241.287 | 3 | |
| C56 | 156.157 | 2 | |
| C57 | 21.22.60.72.82.122 | 6 | |
| C61 | 13.14 | 2 | |
| 吉松機関区(15) | C55 | 10.26.27.33.34 | 5 |
| C56 | 91.99 | 2 | |
| C57 | 85.151 | 2 | |
| D51 | 453.536.589.606.714.1038 | 6 | |
| 宮崎機関区(19) | C56 | 92.135 | 2 |
| C57 | 4.36.49.65.66.109.112.115.116.117.176.178.187.191.192.196.199 | 17 | |
| 志布志機関区(10) | C11 | 145.146.148.149.185.189.198 | 7 |
| C58 | 424.426.427 | 3 |