A total of 1364 'Pacific' steam locomotives were built for the major French railway companies, (including those inherited by the terms of the Armistice in 1918). Some of these were later transferred to other companies or regions.
Chemins de fer d'Alsace et de Lorraine: 50 locomotives
Compagnie de l'Est: 40 locomotives
- Est 31.001 to 31.040 series 11s (TP-ÃÂtat type) bought under the auspices of the ministry of public works in 1921âÂÂ23, then Est 231-001 to 231-040, later 1-231.B.1 to 40
- Est 231-051 to 231-073 series 12s ("Chapelon" rebuilds, 2nd type, ex-PO 3500-series) ordered by the PO-Midi in 1934, later: 1-231.C.51 to 73
Compagnie du Nord: 139 locomotives
- Nord 3.1151 to 3.1170 (SACM type) copy of the Alsace-Lorraine S 12 of 1912, later 2-231.A.1 to 20
- Nord 3.1150 ÃÂtat locomotive nð 231-502 (1st) 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 âÂÂSuperpacific type 1â of 1923âÂÂ24, later 2-231 C 1 to 40
- Nord 3.1241 to 3.1248 so-called âÂÂSuperpacific type 2â of 1929 different in detail for the first type, later 2-231 C 41 to 48
- Nord 3.1251 to 3.1290 so-called âÂÂSuperpacific type 3â of 1931 very different from types 1 and 2, later 2-231 C 49 to 88
- Nord 3.1249 and 3.1250 so-called âÂÂSuperpacific type 2â prototypes rebuilt as simples, later 2-231.D.1 and 2
- Nord 3.1171 to 3.1190 ("Chapelon" rebuilds ex-3500 PO) ordered straight from the PO-Midi in 1934, later 2-231.E.1 to 20
- Nord 3.1191 to 3.1198 ("Chapelon" type, newly built) continuation, 1936, of the series 3.1171 â 3.1190, later 2-231.E.21 to 28
- Nord 3.1111 to 3.1130 ("Chapelon" type, newly built) continuation, 1937âÂÂ38, of the series 3.1171 â 3.1198, later 2-231.E.29 to 48
Compagnie de l'Ouest: 2 locomotives
- Ouest 2901 and 2902 prototypes of 1908, then ÃÂtat 6001 and 6002, later ÃÂtat 231-001 et 231-002
Chemins de fer de l'ÃÂtat: 352 locomotives
The locomotives numbered 3-231 C by the SNCF were also reclassified from D to J according to their degree of rebuilding or improvement.
- 10 locos 3-231.C.501 to 783 became 1-231.B.301 to 310 then 1-231.B.41 to 50
Compagnie du PO (Paris-Orléans): 279 locomotives
- 231 PO 4501âÂÂ4600 two prototypes in 1907, the rest from 1908âÂÂ1910, then PO-Midi 231-501 to 231-600, later 4-231 A 501 to 600
- 231 PO 3501âÂÂ3589 of 1909âÂÂ1910, then PO-Midi 231-401 to 231-489, all rebuilt before 1938
- 231 PO 3591âÂÂ3640 (ALCO type) of 1921, then 231-591 to 231-640 PO-Midi, later 4-231 D 601 to 650
- 231 PO 3641âÂÂ3680 (type TP-ÃÂtat) bought in 1923 under the auspices of the ministry of public works, transferred to the AL (20) and the ÃÂtat (20) before 1934
- 231 PO 3701âÂÂ3721 ("Chapelon" 1st type) rebuilding of 3566 in 1929 and of 3501âÂÂ3520 in 1932, then 231-701 to 231-721 PO-Midi, later 4-231 F 701 to 721
- 231 PO 3722âÂÂ3731 ("Chapelon" 2nd type) modification, 1934, of locos of the series 3521âÂÂ3550, then 231-722 to 231-731 PO-Midi, later 4-231 H 722 to 731
- 231 PO 3801âÂÂ3806 and 3821âÂÂ3829 modification, 1932, of locos of the series 3521âÂÂ3550, 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. (The series 4-231 G became 4-231 J in 1952 when the 231 G of PLM origin arrived on the Région Sud-Ouest)
- 4-231 F 701 to 717 once became 1-231 C 401 to 417
- 11 machines 231-591 to 231-640 transferred to the ÃÂtat became 3-231 K 301 to 311
Compagnie du Midi: 40 locomotives
- Midi 3001âÂÂ3016 then PO-Midi 231-001 to 231-016, later 4-231.B.001 to 016
- Midi 3051âÂÂ3054 then PO-Midi 231-051 to 231-054, later 4-231.C.051 to 054
- Midi 3101âÂÂ3120 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
Chemins de fer de Paris àLyon et àla Méditerranée: 462 locomotives New construction
- 6001 prototype, compound and saturated steam, of 1909, then 231 C 1 in 1925, later 5-231 C 1
- 6011âÂÂ6030 series of 1912 based on 6001, became 6201âÂÂ6220 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 (rebuilt to become 231 E 1)
- 6102âÂÂ6171 series of 1911 and 1912 based on 6101, then 231 A 2 to 71 in 1925 (rebuilt to become 231 E 2 to 71)
- 6172âÂÂ6191 series of 1913 based on 6101 (rebuilt to become 6051âÂÂ6070)
- 6221âÂÂ6285 series of 1916âÂÂ17 and 1919âÂÂ21 derived from 6001, then 231 C 21 to 85 in 1925, later 5-231 C 21 to 85
- 6301âÂÂ6480 series of 1921âÂÂ24 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 â 6480, later 5-231 D 181 to 230
- 231 F 231 to 285 series of 1931âÂÂ32 improved continuation of the series 231 D (later rebuilt to 231 G 231 to 285)
PLM Rebuilds
- 6051âÂÂ6070 rebuild as compound, 1917âÂÂ24, of 6172 â 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 1925âÂÂ30 of 231 A 1 to 71, later 5-231 E 2 to 71
- 231 F 141 rebuild 1929 as prototype (later rebuilt as 231 H 141)
- 231 F between 2 and 166 rebuild 1930âÂÂ32 of 24 231 D locos between 2 and 166 (later rebuilt as 231 G)
- 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, 1934âÂÂ38, 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 (later rebuilt as 5-231 K 17)
- 231 K 1 to 86 planned rebuilding by the PLM of 231 C locos
SNCF Rebuilds
- 5-231 G between 2 and 230 continuation, 1938âÂÂ49, of rebuilding 5-231 D (215 locos altogether)
- 5-231 H 2 to 30 rebuilding, 1938âÂÂ48, of 12 5-231 B locos and 17 5-231 E locos
- 5-231 K 2 to 86 rebuilding, 1938âÂÂ19, 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.