Last revised: October 19, 2026
By: Adam Burns
The Chicago, Rock Island & Pacific bought its modern steam locomotives rather than building a fleet in its own shops. Consolidations did the branch freight, Mikados the main line, and a long run of Pacifics the passenger trains until the Mountains and the 4-8-4s. The table is George H. Drury’s list of locomotives built or rebuilt since 1900.
N-78 2-10-2 3033, westbound near Tucumcari, New Mexico, on May 4, 1940. American-Rails.com collection.
On this page: At a glance · Switchers · Consolidations · Mikados · Santa Fe type · Passenger engines · Roster
| Item | Detail |
|---|---|
| Railroad | Chicago, Rock Island & Pacific. Marks RI and CRIP. Company history |
| This table | Steam locomotives built or rebuilt since 1900, in Drury’s class order. A renumber is the same frame |
| Switchers | 161. Eleven 0-6-0 classes and ten 0-8-0s, 300–309 |
| Consolidations | 469. The 93 S-39s are most of the 100 C-39s, counted once. Twelve S-32 camelbacks are in this total |
| Mikados | 234. K-55, K-60, K-60B, K-64B, and K-67B |
| Ten-coupled | 35 Santa Fe type 2-10-2s, class N-78, 3001–3035 |
| Passenger | 4 Americans, 30 Atlantics, 224 Ten-Wheelers, 175 Pacifics, 62 Mountains, and 85 4-8-4s. Three Moguls sit with the freight engines |
| Frames | 1,482, each locomotive once. The quantity column also prints the S-39s and the class 28B Ten-Wheelers in their second numbers |
| Last steam | Last revenue appearance in July 1953. During floods in April 1954 an 0-8-0 substituted for diesel switchers at Des Moines. None of the 85 4-8-4s was preserved |
The post-1900 switchers are 161 engines, all of them six- or eight-coupled, and none of them a rebuilt road engine under a new class. Rock Island shops and Baldwin built the single S-23, No. 12, in 1901. Baldwin added 53 and 55 in 1910. The shops’ own group, 57–61, 65–75, 88–99, and 101–110, is 38 engines of 1900–1903. The number series skips.
Brooks built the twenty S-29s of 1903, 111–130. Richmond built 131–148, 195, and 196 in 1905, another twenty, and those lasted as late as 1951. Baldwin’s nine S-25s, 175–183, were gone by 1936. The eleven S-21s, 184–194, came from the Burlington, Cedar Rapids & Northern as 10–20, Brooks engines of 1900. Their retirement year is not recorded. Baldwin’s 220–229 are ten engines, built 1905–1907.
The heavy six-wheel switchers were the S-33s. Richmond built 230–259 in 1913. Pittsburgh built 275–284 in 1919 to a United States Railroad Administration design. The ten 0-8-0s, S-53 300–309, were Brooks copies of that same design in 1925, for Armourdale and Silvis. One of those eight-wheel engines was the flood substitute at Des Moines in April 1954, after revenue steam had already ended.
The Consolidation was the Rock Island’s ordinary freight engine, and the post-1900 classes are 469 frames. Brooks built 1601–1700 in 1903–1904, class C-39, one hundred engines. Most of them were later classed S-39 and numbered 400–499, ninety-three locomotives. That second row is the same frames.
Baldwin’s 1701–1783, eighty-three engines, are class C-43 in the table and dated 1906. After rebuilding, 1701–1783 and 1902–2064 were classed C-43 as well. The grid still prints 1931–2064 as C-41, 134 Brooks engines of 1909–1910. Brooks also built 1901–1930 in 1907, thirty more C-43s.
Two engines carried 1799. The first, class C-46, was an experimental heavy Consolidation, Baldwin, 1906, shown at Jamestown in 1907. It was too heavy for the railroad and was sold to the New York, Susquehanna & Western. The second 1799, Baldwin, 1907, was too small. It became 2200 and then 1784, and lasted until 1939.
The Choctaw, Oklahoma & Gulf contributed four groups: C-26 1807–1810, formerly 207–210; C-28 1812–1840, formerly 261–289, some of them built in 1899; C-31 1852–1878, formerly 290–316; and the twelve S-32 camelbacks, 1888–1899, formerly 150–161, Baldwin engines of 1901–1902. The camelbacks were Consolidations reclassed for switching. They are not an extra switcher fleet. Lima built three C-34s in 1910 for the St. Paul & Des Moines, later 1880–1882.
The last large group came from the St. Louis–San Francisco. Schenectady built 2100–2144 in 1907, forty-five engines with 57-inch drivers, and they moved to the Rock Island soon after delivery. They too were classed C-43. Three Moguls, G-24 748–750, Baldwin, 1901, are the only 2-6-0s in the table.
The Mikados are 234. The twenty K-55s, 2300–2319, were United States Railroad Administration light Mikados of 1919. Baldwin built nine, 2300–2308, and Schenectady eleven, 2309–2319. They had first been sent to the Texas & Pacific, which found them too light.
The railroad’s own design was the K-60. Baldwin, Schenectady, and Brooks built 2500–2642 between 1912 and 1923, 143 engines. Four of them went to the Soo Line in 1941. Brooks followed with thirty-six K-60Bs, 2643–2678, in 1923, and ten K-64Bs, 2679–2688, in 1926. Schenectady’s twenty-five K-67Bs, 2689–2713, came in 1927. Mikado 2518 carried the experimental loaf-of-bread tender, a semi-Vanderbilt tank. The last of the Mikados were retired in 1953.
The 2-10-2 was a special tool, not a general replacement for the Mikado. Class N-78, 3001–3035, is 35 engines: ten from Schenectady in 1918, fifteen from Brooks in 1920, and ten more from Schenectady in 1925. They had 30 by 32 cylinders, 63-inch drivers, and weighed 383,000 pounds. The railroad limited them to 30 miles an hour. Disk drivers were applied in the 1930s. Number 3033, above, was one of them, westbound out of Tucumcari on May 4, 1940. The class was retired between 1939 and 1952.
Four E-18 Americans, 674, 677, 682, and 683, were Baldwin engines of 1902, retired in 1934. Drury says the last two 4-4-0s of any vintage on the railroad left in 1938. Those two were older than this class. The Atlantics are 30. Brooks built 1001–1003 in 1900 for the Burlington, Cedar Rapids & Northern as 75, 77, and 76, and the Rock Island renumbered them 1001, 1003, and 1002. The seven A-24s, 1004–1010, were built in 1901–1902 as 1301–1307, the Chautauqua type, with 79-inch drivers. Schenectady added 1011–1020 in 1905.
Two pairs tested four cylinders. Schenectady’s 1040 and 1041, class A-29, 1909, were four-cylinder simple engines, retired in 1936 and 1937. Baldwin’s 1042–1049 were four-cylinder balanced compounds, 1048 and 1049 in 1905 and 1042–1047 in 1906. The last of them lasted until 1942.
The Ten-Wheelers are 224 frames. Baldwin’s seventeen Vauclain compounds of 1900, class 28B, were numbered in the span 1225–1242, with 1225 unused. They are the same engines as T-28 1472–1488, formerly 1226–1242. The grid prints both rows. Count them once. Around them sit T-27s, T-26s, two T-23s, five D-23 Vauclain compounds formerly 1201–1205, the large T-28 groups 1401–1471 and 1501–1520, and ten D-28s from the Burlington, Cedar Rapids & Northern, formerly 200–209. The newest were the T-31s. Schenectady built 1521–1535 in 1905. Baldwin’s 1550–1587, also 1905, are 38 engines. A few of those Baldwins lasted until 1953.
The Pacifics are 175, and they carried the passenger trains until the Mountains. Brooks built the thirty P-28s, 801–830, in 1903. Schenectady built the thirty-one P-32s, 831–861, in 1905 and 1906, then thirty-three P-31s in 1909 and fifty P-33s in 1910. Brooks added thirty P-40s, 950–979, in 1913. The odd engine is P-46 999, a three-cylinder Brooks Pacific of 1924. It was out of service in 1934 and scrapped in 1939. The number was free because Mountains 998 and 999, built in 1913, had become 4000 and 4001 in 1920.
M-50 4-8-2 4059 at Council Bluffs, Iowa, circa 1950. American-Rails.com collection.
The Mountains, class M-50, are 62 engines, 4000–4061, from Brooks and Schenectady between 1913 and 1927. Seven of them went to the St. Louis Southwestern in 1941: 4006, 4007, 4015, 4022, 4023, 4028, and 4031. Number 4059, above, was not one of those seven. The rest of the class was retired between 1939 and 1953.
The 4-8-4s are 85, and no railroad in the United States had more. Schenectady delivered 5000 in February 1929, twenty-four more that year, and forty in 1930, numbers 5000–5064. They had 69-inch drivers on frames able to take 74-inch drivers. Ten were modernized in the late 1930s. The table classes them R-67B. The wartime engines are the same class in that table. Alco built 5100–5109 as oil burners in May 1944, with roller bearings and 74-inch Boxpok drivers, the same month the first FT diesels arrived. The railroad ordered 5110–5119 in March 1945, coal burners, and they were delivered in 1946. Scrapping of the second group ran into 1955. The last revenue appearance of steam was in July 1953. None of the 85 was saved. Number 5051, stored at Silvis with “Stored” on the smokebox, is on the company page.
Two steam-powered cars sit outside the table. Baldwin built 2551 in 1909 and the American Locomotive Company built 2552 in 1908. Both were converted to unpowered cars in 1917.
| Type | Class | Numbers | Qty | Builder | Built | Retired | Notes |
|---|---|---|---|---|---|---|---|
| 0-6-0 | S-23 | 12 | 1 | Rock Island shops, Baldwin | 1901 | 1936 | |
| 0-6-0 | S-23 | 53, 55 | 2 | Baldwin | 1910 | 1936 | |
| 0-6-0 | S-23 | 57–61, 65–75, 88–99, 101–110 | 38 | Rock Island shops | 1900–1903 | — | The series skips |
| 0-6-0 | S-29 | 111–130 | 20 | Brooks (Alco) | 1903 | 1936–1943 | |
| 0-6-0 | S-29 | 131–148, 195, 196 | 20 | Richmond (Alco) | 1905 | 1937–1951 | |
| 0-6-0 | S-25 | 175–183 | 9 | Baldwin | 1901 | 1934–1936 | |
| 0-6-0 | S-21 | 184–194 | 11 | Brooks (Alco) | 1900 | — | Ex-Burlington, Cedar Rapids & Northern 10–20 |
| 0-6-0 | S-29 | 220–229 | 10 | Baldwin | 1905–1907 | 1937–1943 | |
| 0-6-0 | S-33 | 230–259 | 30 | Richmond (Alco) | 1913 | 1940–1953 | |
| 0-6-0 | S-33 | 275–284 | 10 | Pittsburgh (Alco) | 1919 | 1953 | United States Railroad Administration |
| 0-8-0 | S-53 | 300–309 | 10 | Brooks (Alco) | 1925 | 1953–1954 | United States Railroad Administration copies, for Armourdale and Silvis |
| Type | Class | Numbers | Qty | Builder | Built | Retired | Notes |
|---|---|---|---|---|---|---|---|
| 2-6-0 | G-24 | 748–750 | 3 | Baldwin | 1901 | 1935 | |
| 2-8-0 | S-39 | 400–499 | 93 | Brooks (Alco) | 1903–1904 | 1936–1942 | Ex-C-39. Same frames as most of 1601–1700. Not counted again |
| 2-8-0 | C-39 | 1601–1700 | 100 | Brooks (Alco) | 1903–1904 | through 1952 | Most became S-39 |
| 2-8-0 | C-43 | 1701–1783 | 83 | Baldwin | 1906 | 1936–1953 | Prose dates the class 1907. Later classed C-43 after rebuilding, with 1902–2064 |
| 2-8-0 | C-46 | 1799 (1st) | 1 | Baldwin | 1906 | — | Experimental heavy engine. Jamestown, 1907. Sold to the New York, Susquehanna & Western |
| 2-8-0 | C-46 | 1799 (2nd) | 1 | Baldwin | 1907 | 1939 | Too small. Renumbered 2200, then 1784 |
| 2-8-0 | C-26 | 1807–1810 | 4 | Baldwin | 1901 | 1934–1952 | Ex-Choctaw, Oklahoma & Gulf 207–210 |
| 2-8-0 | C-28 | 1812–1840 | 29 | Baldwin | 1899–1901 | 1933–1941 | Ex-Choctaw, Oklahoma & Gulf 261–289. Some built in 1899 |
| 2-8-0 | C-31 | 1852–1878 | 27 | Baldwin | 1902 | 1936–1947 | Ex-Choctaw, Oklahoma & Gulf 290–316 |
| 2-8-0 | C-34 | 1880–1882 | 3 | Lima | 1910 | 1943–1949 | Ex-St. Paul & Des Moines 206–208 |
| 2-8-0 | S-32 | 1888–1899 | 12 | Baldwin | 1901–1902 | 1937–1942 | Camelbacks, reclassed for switching. Ex-Choctaw, Oklahoma & Gulf 150–161 |
| 2-8-0 | C-43 | 1901–1930 | 30 | Brooks (Alco) | 1907 | 1936–1952 | |
| 2-8-0 | C-41 | 1931–2064 | 134 | Brooks (Alco) | 1909–1910 | 1937–1952 | Many later reclassed C-43. Same frames |
| 2-8-0 | C-43 | 2100–2144 | 45 | Schenectady (Alco) | 1907 | 1937–1953 | Ex-St. Louis–San Francisco. 57-inch drivers |
| 2-8-2 | K-55 | 2300–2319 | 20 | Baldwin, Schenectady | 1919 | 1948–1953 | United States Railroad Administration light Mikados. Baldwin 2300–2308, Schenectady 2309–2319. First sent to the Texas & Pacific |
| 2-8-2 | K-60 | 2500–2642 | 143 | Baldwin, Schenectady, Brooks | 1912–1923 | 1936–1953 | Four sold to the Soo Line in 1941. 2518 had the loaf-of-bread tender |
| 2-8-2 | K-60B | 2643–2678 | 36 | Brooks | 1923 | 1948–1953 | |
| 2-8-2 | K-64B | 2679–2688 | 10 | Brooks | 1926 | 1952–1953 | |
| 2-8-2 | K-67B | 2689–2713 | 25 | Schenectady | 1927 | 1948–1953 | |
| 2-10-2 | N-78 | 3001–3035 | 35 | Schenectady, Brooks | 1918–1925 | 1939–1952 | 10 Schenectady 1918, 15 Brooks 1920, 10 Schenectady 1925. 30 by 32, 63-inch drivers, 383,000 pounds. Limited to 30 miles an hour |
| Type | Class | Numbers | Qty | Builder | Built | Retired | Notes |
|---|---|---|---|---|---|---|---|
| 4-4-0 | E-18 | 674, 677, 682, 683 | 4 | Baldwin | 1902 | 1934 | The last two 4-4-0s of any vintage left in 1938. They were older than these four |
| 4-4-2 | A-23 | 1001–1003 | 3 | Brooks | 1900 | through 1934 | Ex-Burlington, Cedar Rapids & Northern 75, 77, and 76, renumbered 1001, 1003, and 1002 |
| 4-4-2 | A-24 | 1004–1010 | 7 | Brooks | 1901–1902 | through 1934 | Built as 1301–1307. Chautauqua type. 79-inch drivers |
| 4-4-2 | A-24 | 1011–1020 | 10 | Schenectady | 1905 | 1935–1937 | |
| 4-4-2 | A-29 | 1040, 1041 | 2 | Schenectady | 1909 | 1936, 1937 | Four-cylinder simple |
| 4-4-2 | A-24 | 1042–1049 | 8 | Baldwin | 1905–1906 | 1935–1942 | Four-cylinder balanced compound. 1048–1049 in 1905, 1042–1047 in 1906 |
| 4-6-0 | 28B | 1225–1242 | 17 | Baldwin | 1900 | — | Vauclain compound. 1225 was not used. Same frames as 1472–1488 |
| 4-6-0 | T-27 | 1291–1299 | 9 | Baldwin | 1902 | 1934–1936 | |
| 4-6-0 | T-27 | 1301–1322 | 22 | Brooks | 1902 | 1934–1935 | Ex-1472–1493 |
| 4-6-0 | T-26 | 1323–1337 | 15 | Brooks | 1902–1903 | 1935 | 1333–1337 were ex-1494–1498 |
| 4-6-0 | T-23 | 1340, 1341 | 2 | Baldwin | 1900 | 1934 | |
| 4-6-0 | D-23 | 1351–1355 | 5 | Baldwin | 1900 | — | Vauclain compound. Ex-1201–1205 |
| 4-6-0 | T-28 | 1401–1471 | 71 | Brooks | 1901–1902 | 1935–1941 | |
| 4-6-0 | T-28 | 1472–1488 | 17 | Baldwin | 1900 | 1934–1942 | Ex-1226–1242. Same frames as the 28B row |
| 4-6-0 | D-28 | 1490–1499 | 10 | Brooks | 1902 | — | Ex-Burlington, Cedar Rapids & Northern 200–209, class 54B |
| 4-6-0 | T-28 | 1501–1520 | 20 | Brooks | 1901–1902 | 1934–1944 | |
| 4-6-0 | T-31 | 1521–1535 | 15 | Schenectady | 1905 | 1936–1949 | |
| 4-6-0 | T-31 | 1550–1587 | 38 | Baldwin | 1905 | 1936–1953 | |
| 4-6-2 | P-28 | 801–830 | 30 | Brooks | 1903 | 1935–1936 | |
| 4-6-2 | P-32 | 831–861 | 31 | Schenectady | 1905 | 1936–1950 | 1905 and 1906 |
| 4-6-2 | P-31 | 862–894 | 33 | Schenectady | 1909 | 1939–1953 | |
| 4-6-2 | P-33 | 895–944 | 50 | Schenectady | 1910 | 1939–1953 | |
| 4-6-2 | P-40 | 950–979 | 30 | Brooks | 1913 | 1939–1952 | |
| 4-6-2 | P-46 | 999 | 1 | Brooks | 1924 | 1939 | Three cylinders. Out of service in 1934. Scrapped in 1939 |
| 4-8-2 | M-50 | 4000–4061 | 62 | Brooks, Schenectady | 1913–1927 | 1939–1953 | Seven to the St. Louis Southwestern in 1941: 4006, 4007, 4015, 4022, 4023, 4028, 4031. 998–999 of 1913 became 4000–4001 in 1920 |
| 4-8-4 | R-67B | 5000–5064 | 65 | Schenectady (Alco) | 1929–1930 | 1951–1953 | 5000 in February 1929, 24 more in 1929, 40 in 1930. 69-inch drivers. Frames able to take 74. Ten modernized in the late 1930s |
| 4-8-4 | R-67B | 5100–5119 | 20 | Schenectady (Alco) | 1944, 1946 | 1953–1955 | 5100–5109 oil, May 1944, roller bearings, 74-inch Boxpok. 5110–5119 coal, ordered March 1945, delivered 1946. Scrapping dates |
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