List of PKP locomotives and multiple units
Tank locomotives
#### Tank locomotives

|Class

Origin

UIC class

Quantity

Year(s)

Quantity

Year(s)

Withdrawn

Notes

|  |
| in 1926

 in 1946

| [OKd1](/wiki/PKP_class_OKd1 "PKP class OKd1") | [Prussian T 52](/wiki/Prussian_T_5 "Prussian T 5") | 2'B n2t | 1 | 1899 | – | – | before 1966 |  |
| [OKe1](/wiki/PKP_class_OKe1 "PKP class OKe1") | [Prussian T 51](/wiki/Prussian_T_5 "Prussian T 5") | 1′B1′ n2t | 5 | 1897–1904 | — | — | in service until 1939 |  |
| [OKi1](/wiki/PKP_class_OKi1 "PKP class OKi1") | [Prussian T 11](/wiki/Prussian_T_11 "Prussian T 11") | 1′C n2t | 52 \+ 4 Dz | 1903–1908 | 52 | 1903–1910 | to 1966 |  |
| [OKi2](/wiki/PKP_class_OKi2 "PKP class OKi2") | [Prussian T 12](/wiki/Prussian_T_12 "Prussian T 12") | 1′C h2t | 12 \+ 6 Dz | 1907–1916 | 84 | 1906–1921 | to 1971 |  |
| [OKl1](/wiki/PKP_class_OKl1 "PKP class OKl1") | [Prussian T 6](/wiki/Prussian_T_6 "Prussian T 6") | 1′C1′ n3t | 5 | 1902 | — | — | to 1937 |  |
| [OKl2](/wiki/PKP_class_OKl2 "PKP class OKl2") | [DRB Class 64](/wiki/DRB_Class_64 "DRB Class 64") | 1′C1′ h2t | — | — | 38 | 1928–1940 | to 1973 |  |
| [OKl101](/wiki/PKP_class_OKl101 "PKP class OKl101") | [Saxon XIV HT](/wiki/Saxon_XIV_HT "Saxon XIV HT") | 1′C1′ h2t | 11 | 1911–1917 | 1 | 1915 | to 1949 |  |
| [OKo1](/wiki/PKP_class_OKo1 "PKP class OKo1") | [Prussian T 18](/wiki/Prussian_T_18 "Prussian T 18") | 2′C2′ h2t | — | — | 29 | 1916–1924 | to 1975 |  |
| [TKb1](/wiki/PKP_class_TKb1 "PKP class TKb1") | [Prussian T 2](/wiki/Prussian_T_2 "Prussian T 2") | B n2t | 1 | 1878 | 1 | 1878 | to 1970 |

| [TKh1](/wiki/PKP_class_TKh1 "PKP class TKh1") | [Prussian T 3](/wiki/Prussian_T_3 "Prussian T 3") | C n2t | 24 \+ 4 Dz | 1887–1905 | 23 | 1890–1909 | to 1967 |  |
| [TKh2](/wiki/PKP_class_TKh2 "PKP class TKh2") | [Prussian T 7](/wiki/Prussian_T_7 "Prussian T 7") | C n2t | 27 | 1881–1892 | — | — | before 1936 |  |
| [TKh3](/wiki/PKP_class_TKh3 "PKP class TKh3") | [Saxon V T](/wiki/Saxon_V_T "Saxon V T") | C h2t | 5 | 1906–1908 | 5 | 1899 | before 1931 |  |
| [TKh5](/wiki/PKP_class_TKh5 "PKP class TKh5") | [DRG Class 890](/wiki/DRG_Class_89.0 "DRG Class 89.0") | C n2t,C h2t |  |  | 5 | 1934–1938 | to 1954 |  |
| [TKh101](/wiki/PKP_class_TKh101 "PKP class TKh101") | [Bavarian D IIII](/wiki/Bavarian_D_II "Bavarian D II"),[Bavarian R 3/3](/wiki/Bavarian_R_3/3 "Bavarian R 3/3") | C n2t | 4 | 1898–1907 | — | — | before 1931 |  |
| [TKi1](/wiki/PKP_class_TKi1 "PKP class TKi1") | [Prussian T 91](/wiki/Prussian_T_9 "Prussian T 9") | C1′ n2t | 43 \+ 3 Dz | 1894–1901 | 4 | 1901 | to 1949 |  |
| [TKi2](/wiki/PKP_class_TKi2 "PKP class TKi2") | [Prussian T 92](/wiki/Prussian_T_9.2 "Prussian T 9.2") | 1′C n2t | 18 \+ 4 Dz | 1893–1899 | 10 | 1897–1899 | to 1953 |  |
| [TKi3](/wiki/PKP_class_TKi3 "PKP class TKi3") | [Prussian T 93](/wiki/Prussian_T_9.3 "Prussian T 9.3") | 1′C n2t | 310 \+ 10 Dz | 1901–1914 | 236 | 1901–1914 | to 1969 |  |
| [TKp1](/wiki/PKP_class_TKp1 "PKP class TKp1") | [Prussian T 13](/wiki/Prussian_T_13 "Prussian T 13") | D n2t | 43 | 1910–1916 | 94 | 1910–1924 | to 1967 |  |
| [TKt1](/wiki/PKP_class_TKt1 "PKP class TKt1") | [Prussian T 14](/wiki/Prussian_T_14 "Prussian T 14") | 1′D1′ h2t | 23 \+ 4 Dz | 1915–1919 | 85 | 1914–1919 | to 1972 |  |
| [TKt2](/wiki/PKP_class_TKt2 "PKP class TKt2") | [Prussian T 141](/wiki/Prussian_T_14.1 "Prussian T 14.1") | 1′D1′ h2t | 6 | 1919–1921 | 68 | 1918–1923 | to 1972 |  |
| [TKt3](/wiki/PKP_class_TKt3 "PKP class TKt3") | [DRG Class 86](/wiki/DRG_Class_86 "DRG Class 86") | 1′D1′ h2t | — | — | 46 | 1928–1943 | to 1975 |  |
| [TKw1](/wiki/PKP_class_TKw1 "PKP class TKw1") | [Prussian T 16](/wiki/Prussian_T_16 "Prussian T 16"), [Prussian T 161](/wiki/Prussian_T_16.1 "Prussian T 16.1") | E h2t | 57 \+ 3 Dz | 1907–1923 | 39 | 1907–1913 | to 1970 | Prussian T 161 classified as TKw1 until 1939, as TKw2 after 1945 |
| [TKw2](/wiki/PKP_class_TKw2 "PKP class TKw2") | [Prussian T 161](/wiki/Prussian_T_16.1 "Prussian T 16.1") | E h2t |  |  | 129 | 1913–1924 | to 1976 |  |
| [TKw3](/wiki/PKP_class_TKw3 "PKP class TKw3") | [Saxon XI HT](/wiki/Saxon_XI_HT "Saxon XI HT"),Industrial locomotives | E h2t | — | — | 6 | 1913–1942 | to 1976 |  |


What are the PKP classes of locomotives?