| Class | Wheel Arr. |
Dr. Dia. |
Cylinders Diameter x Stroke |
Boiler Press. |
Ad. Wt. |
EW WO |
Grate Area |
Evap. Surface |
Sup. Surface |
Remarks |
| A-1 | 4-4-0 | 73in | 20x24in | 190psi | 20t | 39t | 30sq.ft. | 2130sq.ft. | none | |
| A-1-a | 4-4-0 | 73in | 20x24in | 200psi | 22t | 48t | 30sq.ft. | 1525sq.ft. | 310sq.ft. | |
| A-2 | 4-4-0 | 78in | 20x26in | 180psi | 38t | 57t | 34sq.ft. | 1290sq.ft. | none | |
| A-3 | 4-4-0 | 78in | 20x26in | 200psi | 37t | 61t | 30sq.ft. | 2100sq.ft. | none | |
| A-3-a | 4-4-0 | 78in | 20x26in | 200psi | 41t | 63t | 30sq.ft. | 1525sq.ft. | 310sq.ft. | |
| B-1 | 4-4-0 | 73in | 19x24in | 200psi | 35t | 55t | 2000sq.ft. | none | No. 1410 | |
| B-2 | 4-4-0 | 69in | 19x24in | 180psi | 31t | 50t | 1500sq.ft. | none | RI 1892 | |
| B-3 | 4-4-0 | 69in | 19x24in | 160psi | 32t | 49t | 1475sq.ft. | none | Rogers 1892 | |
| B-4 | 4-4-0 | 69in | 20x22in | 180psi | 35t | 55t | 19sq.ft. | 1800sq.ft. | none | Baldwin 1888 |
| B-4 | 4-4-0 | 69in | 19x24in | 180psi | 35t | 55t | 19sq.ft. | 1800sq.ft. | none | Rebuilt |
| C-1-a | 4-4-0 | 69in | 18½x24in | 180psi | 30t | 48t | 1350sq.ft. | none | RI 1891 | |
| C-1-b | 4-4-0 | 69in | 18½x24in | 180psi | 30t | 49t | 1225sq.ft. | none | No. 1650 | |
| C-2 | 4-4-0 | 69in | 18x24in | 160psi | 29t | 45t | 1350sq.ft. | none | or 140psi | |
| C-3 | 4-4-0 | 69in | 18x24in | 180psi | 31t | 49t | 18sq.ft. | 1400sq.ft. | none | |
| C-4-a | 4-4-0 | 69in | 18x24in | 160psi | 29t | 48t | 1400sq.ft. | none | Rogers 1890 | |
| C-4-b | 4-4-0 | 69in | 18x24in | 165psi | 29t | 48t | 1325sq.ft. | none | Rogers 1892 | |
| C-5 | 4-4-0 | 73in | 18x24in | 160psi | 30t | 47t | 1250sq.ft. | none | or 135psi | |
| C-6-a | 4-4-0 | 69in | 18x24in | 160psi | 27t | 44t | 1275sq.ft. | none | No. 1749 | |
| C-6-b | 4-4-0 | 69in | 18x24in | 140psi | 27t | 43t | 1400sq.ft. | none | RI 1883 | |
| C-6-c | 4-4-0 | 69in | 18x24in | 140psi | 27t | 43t | 1325sq.ft. | none | RI 1883 | |
| C-7 | 4-4-0 | 69in | 18x24in | 140psi | 25t | 40t | 1400sq.ft. | none | OCRR 1883 | |
| C-8 | 4-4-0 | 69in | 18x24in | 24t | 37t | none | ||||
| C-9 | 4-4-0 | 69in | 18x24in | 140psi | 24t | 38t | 1225sq.ft. | none | or 120psi | |
| C-10 | 4-4-0 | 63in | 18x24in | 160psi | 32t | 47t | 1325sq.ft. | none | Cooke 1890 | |
| C-11-a | 4-4-0 | 63in | 18x24in | 160psi | 28t | 44t | 1225sq.ft. | none | RI 1889 | |
| C-11-b | 4-4-0 | 63in | 18x24in | 160psi | 29t | 45t | 1250sq.ft. | none | or 145-150psi | |
| C-11-c | 4-4-0 | 63in | 18x24in | 135psi | 28t | 44t | 1275sq.ft. | none | Taunton 1884 | |
| C-11-d | 4-4-0 | 63in | 18x24in | 155psi | 29t | 45t | 1325sq.ft. | none | or 145psi | |
| C-12 | 4-4-0 | 63in | 18x24in | 155psi | 27t | 41t | none | or 135-140psi | ||
| C-13-a | 4-4-0 | 63in | 18x24in | 150psi | 24t | 39t | 1175sq.ft. | none | 1874-1879 | |
| C-13-b | 4-4-0 | 63in | 18x24in | 140psi | 24t | 39t | 1225sq.ft. | none | 1879-1893 | |
| C-14 | 4-4-0 | 63in | 18x24in | 140psi | 24t | 42t | 1075sq.ft. | none | Rogers '82-6 | |
| C-15 | 4-4-0 | 69in | 18x26in | 200psi | 24t | 42t | 1075sq.ft. | none | 1901-1903 | |
| C-16 | 4-4-0 | 63in | 18x26in | 150psi | 34t | 49t | 1350sq.ft. | none | Mason 1886 | |
| C-17 | 4-4-0 | 63in | 18x26in | 180psi | 30t | 45t | 1400sq.ft. | none | or 130psi | |
| C-18 | 4-4-0 | 63in | 18x26in | 150psi | 28t | 43t | none | or 140psi | ||
| C-19-a | 4-4-0 | 69in | 18x22in | 150psi | 24t | 39t | 1200sq.ft. | none | 1885-1887 | |
| C-19-b | 4-4-0 | 69in | 18x22in | 140psi | 25t | 42t | none | No. 1764 | ||
| C-20 | 4-4-0 | 67in | 18x22in | 145psi | 24t | 39t | none | or 140psi | ||
| C-21 | 4-4-0 | 63in | 18x22in | 160psi | 24t | 40t | none | or 145psi | ||
| C-22 | 4-4-0 | 79in | 18x26in | 160psi | 33t | 53t | 1325sq.ft. | none | OCRR 1893 | |
| D-1 | 4-4-0 | 69in | 17x24in | 180psi | 30t | 46t | 1150sq.ft. | none | 1897-1899 | |
| D-2 | 4-4-0 | 69in | 17x24in | 165psi | 30t | 44t | none | or 140-160psi | ||
| D-3-a | 4-4-0 | 69in | 17x24in | 160psi | 30t | 44t | 1275sq.ft. | none | or 140-150psi | |
| D-3-b | 4-4-0 | 69in | 17x24in | 160psi | 27t | 43t | 1225sq.ft. | none | or 135-150psi | |
| D-4 | 4-4-0 | 69in | 17x24in | 140psi | 24t | 39t | none | 1878-1882 | ||
| D-5 | 4-4-0 | 69in | 17x24in | 145psi | 24t | 36t | none | or 135-140psi | ||
| D-6 | 4-4-0 | 69in | 17x24in | 160psi | 22t | 34t | none | or 120-135psi | ||
| D-7 | 4-4-0 | 63in | 17x24in | 180psi | 34t | 49t | none | NERR 1897-8 | ||
| D-8 | 4-4-0 | 63in | 17x24in | 145psi | 30t | 45t | none | or 140psi | ||
| D-9 | 4-4-0 | 63in | 17x24in | 155psi | 29t | 44t | 1225sq.ft. | none | NERR '88-95 | |
| D-10-a | 4-4-0 | 63in | 17x24in | 180psi | 28t | 44t | 1150sq.ft. | none | 1880-1899 | |
| D-10-b | 4-4-0 | 63in | 17x24in | 150psi | 25t | 41t | 1150sq.ft. | none | or 140-145psi | |
| D-11 | 4-4-0 | 63in | 17x24in | 140psi | 24t | 37t | none | or 130-135psi | ||
| D-12 | 4-4-0 | 63in | 17x24in | 160psi | 22t | 35t | none | or 130-145psi | ||
| D-13 | 4-4-0 | 63in | 17x24in | 155psi | 21t | 33t | none | or 120-140psi | ||
| D-14 | 4-4-0 | 56in | 17x24in | 120psi | 21t | 34t | none | No. 1947 | ||
| D-15 | 4-4-0 | 69in | 17x22in | 180psi | 24t | 36t | none | or 140-150psi | ||
| D-16 | 4-4-0 | 69in | 17x22in | 130psi | 21t | 34t | none | or 120-125psi | ||
| D-17 | 4-4-0 | 63in | 17x22in | 160psi | 20t | 33t | none | or 120-125psi | ||
| E-1 | 4-4-0 | 69in | 16x24in | 180psi | 30t | 41t | none | or 140-150psi | ||
| E-2 | 4-4-0 | 69in | 16x24in | 140psi | 23t | 36t | none | or 135psi | ||
| E-3 | 4-4-0 | 69in | 16x24in | 180psi | 20t | 33t | none | or 130-140psi | ||
| E-4 | 4-4-0 | 63in | 16x24in | 180psi | 26t | 40t | 1250sq.ft. | none | or 140psi | |
| E-4 | 4-4-0 | 63in | 16x24in | 180psi | 26t | 40t | 1050sq.ft. | none | No. 2018 | |
| E-4 | 4-4-0 | 63in | 16x24in | 150psi | 26t | 40t | 1175sq.ft. | none | No. 2021 | |
| E-5 | 4-4-0 | 63in | 16x24in | 180psi | 24t | 36t | none | or 135-140psi | ||
| E-6 | 4-4-0 | 63in | 16x24in | 140psi | 22t | 34t | none | or 120-135psi | ||
| E-7 | 4-4-0 | 63in | 16x24in | 150psi | 20t | 32t | none | or 120-140psi | ||
| E-8 | 4-4-0 | 56in | 16x24in | 140psi | 20t | 32t | none | or 120psi | ||
| E-9 | 4-4-0 | 69in | 16x22in | 135psi | 21t | 32t | none | or 120psi | ||
| E-10 | 4-4-0 | 63in | 16x22in | 180psi | 21t | 32t | none | or 115-135psi | ||
| E-11 | 4-4-0 | 69in | 15x22in | 120psi | 20t | 32t | none | or 115psi | ||
| E-12 | 4-4-0 | 63in | 15x22in | 135psi | 19t | 30t | none | or 115-130psi | ||
| E-13 | 4-4-0 | 69in | 14x20in | 130psi | 21t | 32t | 730sq.ft. | none | No. 2051 | |
| E-14 | 4-4-0 | 63in | 14x24in | 20t | 29t | none | or 14x22in | |||
| E-15 | 4-4-0 | 64in | 14x24in | 125psi | 19t | 31t | 800sq.ft. | none | Taunton 1876 | |
| F-1 | 4-4-2 | 79in | 21x26in | 200psi | 48t | 91t | 53sq.ft. | 3255sq.ft. | none | Original |
| F-1 | 4-4-2 | 79in | 22x26in | 190psi | 48t | 94t | 53sq.ft. | 2685sq.ft. | 540sq.ft. | Rblt.,later H-1 |
| F-3 | 2-8-0 | 50in | 20x24in | 180psi | 58t | 66t | 31sq.ft. | none | CNE 110 | |
| F-5 | 2-8-0 | 63in | 24x32in | 180psi | 83t | 97t | 53sq.ft. | 2525sq.ft. | 495sq.ft. | CNE 150 |
| G-1 | 4-6-0 | 63in | 19x26in | 180psi | 45t | 62t | 1800sq.ft. | none | ||
| G-2-a | 4-6-0 | 63in | 19x26in | 160psi | 40t | 53t | 1800sq.ft. | none | ||
| G-2-b | 4-6-0 | 63in | 19x26in | 160psi | 42t | 55t | 1650sq.ft. | none | ||
| G-2-c | 4-6-0 | 63in | 19x26in | 160psi | 42t | 55t | 1825sq.ft. | none | ||
| G-2-d | 4-6-0 | 57in | 19x26in | 160psi | 42t | 57t | 1800sq.ft. | none | ||
| G-3 | 4-6-0 | 56in | 19x22in | 160psi | 32t | 45t | 1450sq.ft. | none | ||
| G-4-a | 4-6-0 | 73in | 21x26in | 200psi | 60t | 75t | 35sq.ft. | 2665sq.ft. | none | Original |
| G-4-a | 4-6-0 | 73in | 22x26in | 190psi | 61t | 79t | 35sq.ft. | 1930sq.ft. | 400sq.ft. | Rebuilt |
| G-4-b | 4-6-0 | 73in | 15/25x26in | 200psi | 60t | 75t | 35sq.ft. | 2665sq.ft. | none | |
| H-1 | 4-6-0 | 56in | 18x24in | 160psi | 39t | 51t | 1475sq.ft. | none | or 145psi | |
| H-2 | 4-6-0 | 56in | 18x24in | 160psi | 36t | 45t | none | or 145-150psi | ||
| H-3 | 4-6-0 | 56in | 18x24in | 150psi | 29t | 41t | 1400sq.ft. | none | No. 930 | |
| H-4 | 4-6-0 | 56in | 17x24in | 140psi | 29t | 40t | 1325sq.ft. | none | No. 931 | |
| I-1 | 4-6-2 | 73in | 22x28in | 200psi | 61t | 103t | 53sq.ft. | 3935sq.ft. | none | |
| I-2 | 4-6-2 | 73in | 24x28in | 200psi | 70t | 114t | 53sq.ft. | 3285sq.ft. | 780sq.ft. | |
| I-3 | 4-6-2 | 79in | 24x28in | 200psi | 73t | 117t | 53sq.ft. | 3355sq.ft. | 730sq.ft. | |
| I-4 | 4-6-2 | 79in | 26x28in | 200psi | 81t | 121t | 59sq.ft. | 3315sq.ft. | 775sq.ft. | |
| I-4-e | 4-6-2 | 79in | 25x28in | 200psi | 81t | 130t | 59sq.ft. | 3385sq.ft. | 775sq.ft. | Syphons |
| I-4-f | 4-6-2 | 79in | 25x28in | 200psi | 82t | 133t | 59sq.ft. | 3575sq.ft. | 1425sq.ft. | Type E sup. |
| I-5 | 4-6-4 | 80in | 22x30in | 285psi | 88t | 166t | 77sq.ft. | 3815sq.ft. | 1040sq.ft. | |
| J-1 | 2-8-2 | 63in | 25x30in | 180psi | 84t | 114t | 53sq.ft. | 2870sq.ft. | 655sq.ft. | |
| J-2 | 2-8-2 | 63in | 26x34in | 200psi | 109t | 140t | 59sq.ft. | 3865sq.ft. | 870sq.ft. | |
| K-1-a | 2-6-0 | 63in | 20x28in | 200psi | 57t | 66t | 30sq.ft. | 2140sq.ft. | none | Schen. 1896 |
| K-1-b | 2-6-0 | 63in | 20x28in | 200psi | 60t | 69t | 30sq.ft. | 2060sq.ft. | none | 298 tubes |
| K-1-b | 2-6-0 | 63in | 20x28in | 200psi | 60t | 69t | 30sq.ft. | 2125sq.ft. | none | 308 tubes |
| K-1-c | 2-6-0 | 63in | 20x28in | 200psi | 60t | 70t | 44sq.ft. | 2275sq.ft. | none | RI 1902 |
| K-1-d | 2-6-0 | 63in | 14/26x28in | 190psi | 60t | 71t | 30sq.ft. | 2125sq.ft. | none | Tandem cpd. |
| K-1-d | 2-6-0 | 63in | 20x28in | 200psi | 60t | 69t | 30sq.ft. | 1645sq.ft. | 290sq.ft. | Ex K-1-b |
| K-2 | 2-6-0 | 63in | 20x26in | 180psi | 49t | 57t | 1625sq.ft. | none | RI 1893 | |
| K-3 | 2-6-0 | 58in | 20x26in | 155psi | 50t | 58t | 1575sq.ft. | none | Rome, RI '89 | |
| K-4 | 2-6-0 | 63in | 20x24in | 150psi | 50t | 59t | 1650sq.ft. | none | No. 525 | |
| K-5 | 2-6-0 | 63in | 20x26in | 180psi | 54t | 63t | 2000sq.ft. | none | RI 1895 | |
| L-1-a | 2-10-2 | 63in | 30x32in | 200psi | 136t | 164t | 82sq.ft. | 4445sq.ft. | 1115sq.ft. | |
| M-1 | 2-6-0 | 63in | 19x24in | 165psi | 44t | 52t | 1425sq.ft. | none | or 160psi | |
| M-2 | 2-6-0 | 58in | 19x24in | 165psi | 45t | 54t | 1400sq.ft. | none | Rogers 1892 | |
| M-3 | 2-6-0 | 57in | 19x24in | 165psi | 44t | 52t | 1425sq.ft. | none | or 160psi | |
| M-4 | 2-6-0 | 58in | 19x24in | 160psi | 44t | 51t | 1400sq.ft. | none | Cooke 1890 | |
| M-5 | 2-6-0 | 57in | 19x24in | 160psi | 41t | 49t | 1425sq.ft. | none | or 150psi | |
| M-6 | 2-6-0 | 57in | 19x24in | 150psi | 42t | 49t | 1425sq.ft. | none | or 130psi | |
| M-7 | 2-6-0 | 58in | 19x24in | 150psi | 41t | 47t | 1325sq.ft. | none | RI 1989 | |
| M-8 | 2-6-0 | 57in | 19x24in | 160psi | 43t | 49t | 1375sq.ft. | none | 1900 | |
| N-1 | 2-6-0 | 57in | 18x24in | 145psi | 47t | 54t | 1200sq.ft. | none | RI 1884-90 | |
| N-2 | 2-6-0 | 57in | 18x24in | 160psi | 38t | 47t | 1400sq.ft. | none | or 140psi | |
| N-3-a | 2-6-0 | 58in | 18x24in | 140psi | 36t | 45t | 1250sq.ft. | none | RI,Hink '79-80 | |
| N-3-b | 2-6-0 | 58in | 18x24in | 140psi | 39t | 48t | 1250sq.ft. | none | RI,Grant 81-3 | |
| O-1 | 0-4-6T | 42in | 12x16in | 200psi | 33t | 50t | none | Railcar | ||
| 9210 | 0-4-4T | 42in | 6½/11x9in | 1200psi | 47t | 93t | Flash boiler | Railcar | ||
| P-1 | 2-8-0 | 51in | 21x26in | 180psi | 64t | 71t | 34sq.ft. | 2400sq.ft. | none | |
| P-2 | 2-8-0 | 57in | 15/25x26in | 180psi | 57t | 66t | 1775sq.ft. | none | Vauclain cpd. | |
| P-2 | 2-8-0 | 57in | 20x26in | 180psi | 57t | 65t | 1775sq.ft. | none | Rebuilt | |
| P-3 | 2-8-0 | 51in | 22x22in | 130psi | 43t | 50t | 1300sq.ft. | none | Hinkley '81-2 | |
| P-4 | 2-8-0 | 51in | 20x24in | 130psi | 44t | 51t | 1300sq.ft. | none | Hinkley 1881 | |
| P-4-a | 2-8-0 | 50in | 20x24in | 140psi | 46t | 54t | 31sq.ft. | none | CNE 25 | |
| P-5 | 2-8-0 | 51in | 19x24in | 130psi | 42t | 50t | 1300sq.ft. | none | Hinkley '81-2 | |
| R-1 | 4-8-2 | 69in | 27x30in | 200psi | 102t | 148t | 70sq.ft. | 4120sq.ft. | 965sq.ft. | USRA light |
| R-2-a | 4-8-2 | 69in | 27x30in | 265psi | 112t | 164t | 71sq.ft. | 4135sq.ft. | 1760sq.ft. | Water-tube |
| R-3 | 4-8-2 | 69in | 22x30in(3) | 265psi | 116t | 170t | 71sq.ft. | 4325sq.ft. | 1760sq.ft. | Water-tube |
| R-3-a | 4-8-2 | 69in | 22x30in(3) | 265psi | 118t | 172t | 71sq.ft. | 4085sq.ft. | 1745sq.ft. | |
| S-1 | 0-4-6T | 57in | 17x20in | 150psi | 29t | 52t | 925sq.ft. | none | or 140psi | |
| S-2 | 0-4-4T | 57in | 16x20in | 135psi | 29t | 44t | 950sq.ft. | none | No. 2115 | |
| S-3 | 0-4-4T | 57in | 16x20in | 150psi | 26t | 41t | 925sq.ft. | none | or 130psi | |
| S-4 | 0-4-4T | 53in | 16x20in | 135psi | 29t | 44t | 840sq.ft. | none | or 130psi | |
| S-5 | 0-4-4T | 57in | 15x20in | 150psi | 31t | 47t | 925sq.ft. | none | RI 1891 | |
| S-6 | 0-4-4T | 57in | 15x20in | 150psi | 26t | 43t | 900sq.ft. | none | or 140-145psi | |
| S-7 | 2-4-4T | 51in | 15x22in | 125psi | 23t | 38t | 740sq.ft. | none | Rogers 1875 | |
| S-8 | 0-4-4T | 49in | 14x20in | 160psi | 24t | 38t | 550sq.ft. | none | Rogers 1891 | |
| T-1 | 0-6-0 | 51in | 20½(1)/31(1)x26in | 215psi | 60t | 60t | 28sq.ft. | 1550sq.ft. | none | Later 200psi |
| T-2 | 0-6-0 | 51in | 19x26in | 215psi | 60t | 60t | 28sq.ft. | 1550sq.ft. | none | Later 200psi |
| T-3 | 0-6-0 | 51in | 20x24in | 180psi | 55t | 55t | 23sq.ft. | none | CNE 1 | |
| T-3 | 0-6-0T | 51in | 20x24in | 180psi | 66t | 66t | 23sq.ft. | none | Rebuilt | |
| T-4 | 0-6-0T | 51in | 19x26in | 200psi | 73t | 73t | 28sq.ft. | 1550sq.ft. | none | Ex T-2 |
| U-1-a | 0-6-0 | 51in | 18x24in | 160psi | 42t | 42t | 1400sq.ft. | none | or 140-150psi | |
| U-1-b | 0-6-0 | 51in | 18x24in | 150psi | 44t | 44t | 1000sq.ft. | none | Rogers '89-91 | |
| U-1-c | 0-6-0 | 51in | 18x24in | 180psi | 44t | 44t | 1525sq.ft. | none | No. 2520 | |
| U-2 | 0-6-0 | 51in | 18x24in | 135psi | 39t | 39t | 1000sq.ft. | none | RI 1882 | |
| U-3 | 0-6-0 | 45in | 18x24in | 160psi | 43t | 43t | 1700sq.ft. | none | or 145-150psi | |
| U-3 | 0-6-0T | 45in | 18x24in | 160psi | 45t | 45t | 1700sq.ft. | none | Rebuilt | |
| U-4 | 0-6-0 | 45in | 18x24in | 150psi | 41t | 41t | 1250sq.ft. | none | Rome 1890 | |
| U-5 | 0-6-0 | 45in | 18x24in | 150psi | 40t | 40t | 1500sq.ft. | none | or 145psi | |
| V-1 | 0-6-0 | 57in | 17x24in | 130psi | 32t | 32t | 1100sq.ft. | none | No. 2700 | |
| V-2 | 0-6-0 | 51in | 17x24in | 145psi | 42t | 42t | 1225sq.ft. | none | or 140psi | |
| V-3 | 0-6-0 | 51in | 16x24in | 180psi | 40t | 40t | 1300sq.ft. | none | No. 2705 | |
| V-3 | 0-6-0T | 51in | 16x24in | 180psi | 42t | 42t | 1300sq.ft. | none | Rebuilt | |
| V-4 | 0-6-0 | 51in | 16x22in | 140psi | 32t | 32t | none | or 125psi | ||
| V-5 | 0-6-0 | 45in | 16x22in | 140psi | 31t | 31t | none | or 130-135psi | ||
| X-1 | 0-4-0 | 55in | 18x24in | 140psi | 32t | 32t | 1225sq.ft. | none | No. 2800 | |
| X-2 | 0-4-0 | 51in | 17x24in | 145psi | 34t | 34t | 1000sq.ft. | none | RI 1884 | |
| X-3 | 0-4-0 | 55in | 17x22in | 31t | 31t | none | Rogers | |||
| X-4 | 0-4-0 | 57in | 17x20in | 140psi | 34t | 34t | 1050sq.ft. | none | No. 2803 | |
| X-5 | 0-4-0 | 57in | 16x24in | 140psi | 32t | 32t | none | or 130psi | ||
| X-6 | 0-4-0 | 51in | 16x24in | 180psi | 33t | 33t | 825sq.ft. | none | or 130-140psi | |
| X-6 | 0-4-0T | 51in | 16x24in | 180psi | 35t | 35t | 825sq.ft. | none | Rebuilt | |
| X-7 | 0-4-0 | 51in | 16x24in | 140psi | 28t | 28t | none | or 130-135psi | ||
| X-8 | 0-4-0 | 45in | 16x22in | 175psi | 30t | 30t | 925sq.ft. | none | No. 2824 | |
| X-8 | 0-4-0T | 45in | 16x22in | 175psi | 32t | 32t | 925sq.ft. | none | Rebuilt | |
| X-9 | 0-4-0 | 51in | 16x20in | 140psi | 29t | 29t | 860sq.ft. | none | No. 2826 | |
| Y-1 | 0-4-0 | 51in | 15x24in | 150psi | 24t | 24t | none | or 130-140psi | ||
| Y-2 | 0-4-0 | 51in | 15x22in | 140psi | 24t | 24t | none | or 120-135psi | ||
| Y-2 | 0-4-0T | 51in | 15x22in | 130psi | 26t | 26t | none | No. 2906 | ||
| Y-3 | 0-4-0 | 51in | 14x24in | 140psi | 24t | 24t | 600sq.ft. | none | or 120-135psi | |
| Y-3 | 0-4-0T | 53in | 14x24in | 125psi | 26t | 26t | 600sq.ft. | none | No. 2913 | |
| Y-4 | 0-4-0 | 45in | 14x22in, later 16x | 160psi | 30t | 30t | 925sq.ft. | none | No. 2825, X-8 | |
| Y-5 | 0-4-0 | 44in | 14x20in | 120psi | 20t | 20t | 675sq.ft. | none | OCRR 1878 | |
| Y-6 | 0-4-0T | 45in | 12x22in | 115psi | 25t | 25t | none | Taunton '72-6 | ||
| Y-7 | 0-4-0 | 41in | 12x20in | 100psi | 18t | 18t | 575sq.ft. | none | ||
| Y-8 | 0-4-0T | 43in | 11x15in | 120psi | 21t | 21t | none | Later O-2 | ||
| Y-2 | 0-8-0 | 51in | 22x28in | 200psi | 92t | 92t | 48sq.ft. | 3450sq.ft. | none | CNE 10 |
| Y-3 | 0-8-0 | 51in | 25x28in | 175psi | 97t | 97t | 47sq.ft. | 2775sq.ft. | 615sq.ft. | USRA |
| Y-4 | 0-8-0 | 57in | 22x28in(3) | 200psi | 111t | 111t | 56sq.ft. | 3030sq.ft. | 740sq.ft. | |
| Z-1 | 2-4-6T | 57in | 16x24in | 140psi | 31t | 60t | none | Mason-Fairlie | ||
| Z-2 | 2-4-4T | 51in | 14x18in | 130psi | 21t | 44t | 650sq.ft. | none | Mason-Fairlie | |
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