List of French 'Pacific' steam locomotives

• see List of Alsace-Lorraine locomotives

• Est 31.001 to 31.040 series 11s bought under the auspices of the ministry of public works in 1921–23, then Est 231-001 to 231-040, later 1-231.B.1 to 40
• Est 231-051 to 231-073 series 12s ordered by the PO-Midi in 1934, later: 1-231.C.51 to 73

• Nord 3.1151 to 3.1170 copy of the Alsace-Lorraine S 12 of 1912, later 2-231.A.1 to 20
• Nord 3.1150 État locomotive n° 231-502 of 1914 not delivered because of the War, later 2-231.B.1; them 3-231.F.784
• Nord 3.1201 to 3.1240 so-called “Superpacific type 1” of 1923–24, later 2-231 C 1 to 40
• Nord 3.1241 to 3.1248 so-called “Superpacific type 2” of 1929 different in detail for the first type, later 2-231 C 41 to 48
• Nord 3.1251 to 3.1290 so-called “Superpacific type 3” of 1931 very different from types 1 and 2, later 2-231 C 49 to 88
• Nord 3.1249 and 3.1250 so-called “Superpacific type 2” prototypes rebuilt as simples, later 2-231.D.1 and 2
• Nord 3.1171 to 3.1190 ordered straight from the PO-Midi in 1934, later 2-231.E.1 to 20
• Nord 3.1191 to 3.1198 continuation, 1936, of the series 3.1171 – 3.1190, later 2-231.E.21 to 28
• Nord 3.1111 to 3.1130 continuation, 1937–38, of the series 3.1171 – 3.1198, later 2-231.E.29 to 48

• Ouest 2901 and 2902 prototypes of 1908, then État 6001 and 6002, later État 231-001 et 231-002

• État 231-011 to 231-060, later 3-231.B.11 to 60
• État 231-401 to 231-420 TP-État type transferred from the PO-Midi, later 3-231.C.401 to 420
• État 231-501 to 231-783, later 3-231.C.501 to 783
• État 231-981 to 231-996, previously Bavarian S 3/6, later 3-231.A.991 to 996
• État 231-997 to 231-999, previously Württemberg C, later 3-231.A.997 to 999

• 10 locos 3-231.C.501 to 783 became 1-231.B.301 to 310 then 1-231.B.41 to 50

• 231 PO 4501–4600 two prototypes in 1907, the rest from 1908–1910, then PO-Midi 231-501 to 231-600, later 4-231 A 501 to 600
• 231 PO 3501–3589 of 1909–1910, then PO-Midi 231-401 to 231-489, all rebuilt before 1938
• 231 PO 3591–3640 of 1921, then 231-591 to 231-640 PO-Midi, later 4-231 D 591 to 640
• 231 PO 3641–3680 bought in 1923 under the auspices of the ministry of public works, transferred to the AL and the État before 1934
• 231 PO 3701–3721 rebuilding of 3566 in 1929 and of 3501–3520 in 1932, then 231-701 to 231-721 PO-Midi, later 4-231 F 701 to 721
• 231 PO 3722–3731 modification, 1934, of locos of the series 3521–3550, then 231-722 to 231-731 PO-Midi, later 4-231 H 722 to 731
• 231 PO 3801–3806 and 3821–3829 modification, 1932, of locos of the series 3521–3550, then 231-801 to 231-809 PO-Midi and 231-821 to 231-829 PO-Midi, later 4-231 G 801 to 806 and 4-231 G 821 to 829.
• 4-231 F 701 to 717 once became 1-231 C 401 to 417
• 11 machines 231-591 to 231-640 transferred to the État became 3-231 K 301 to 311

• Midi 3001–3016 then PO-Midi 231-001 to 231-016, later 4-231.B.001 to 016
• Midi 3051–3054 then PO-Midi 231-051 to 231-054, later 4-231.C.051 to 054
• Midi 3101–3120 then PO-Midi 231-101 to 231-120, later 4-231.E.101 to 120
• The 4-231.E locos became 6-231.L on the creation of the Région Méditerranée in 1947

• 6001 prototype, compound and saturated steam, of 1909, then 231 C 1 in 1925, later 5-231 C 1
• 6011–6030 series of 1912 based on 6001, became 6201–6220 in 1913, then 231 C 86 and 2 to 20 in 1925, later 5-231 C 86 and 2 to 20
• 6101 prototype, simple expansion and superheater, 1909, then 231 A 1 in 1925
• 6102–6171 series of 1911 and 1912 based on 6101, then 231 A 2 to 71 in 1925
• 6172–6191 series of 1913 based on 6101
• 6221–6285 series of 1916–17 and 1919–21 derived from 6001, then 231 C 21 to 85 in 1925, later 5-231 C 21 to 85
• 6301–6480 series of 1921–24 derived from the series 6200, then 231 D 1 to 180 in 1925, later 5-231 D 1 to 180
• 231 D 181 to 230 series of 1925 continuation of 6301 – 6480, later 5-231 D 181 to 230
• 231 F 231 to 285 series of 1931–32 improved continuation of the series 231 D

• 6051–6070 rebuild as compound, 1917–24, of 6172 – 6191, then 231 B 1 to 20 in 1925, later 5-231 B 1 to 20
• 231 C 9 rebuild 1934 as a prototype, later 5-231 K 9
• 231 C 17 rebuild 1935 as a prototype, later 231 I 17
• 231 E 1 to 71 rebuild as compound 1925–30 of 231 A 1 to 71, later 5-231 E 2 to 71
• 231 F 141 rebuild 1929 as prototype
• 231 F between 2 and 166 rebuild 1930–32 of 24 231 D locos between 2 and 166
• 231 G between 2 and 230 rebuild from 1934 onwards of 27 231 D locos and of 231 F locos between 2 and 166, later 5-231 G between 2 and 230
• 231 G 231 to 285 rebuilding, 1934–38, of 231 F 231 to 285, later 5-231 G 231 to 285
• 231 H 141 rebuilding as a prototype, 1933, of 231 F 141, later 5-231 H 1
• 231 H 2 to 91 planned rebuilding by the PLM of 231 B and 231 E locos
• 231 I 17 temporary numbering of the 231 C 17 prototype
• 231 K 1 to 86 planned rebuilding by the PLM of 231 C locos

• 5-231 G between 2 and 230 continuation, 1938–49, of rebuilding 5-231 D
• 5-231 H 2 to 30 rebuilding, 1938–48, of 12 5-231 B locos and 17 5-231 E locos
• 5-231 K 2 to 86 rebuilding, 1938–19, of 84 machines 5-231 C between 2 and 86
• From 1950 reallocation of 231 G and 231 K locomotives on the Est, Nord and Sud-ouest regions of the SNCF.