STEINWAY PIANO SPECIFICATIONS & DATA
U.S.A. MANUFACTURE
(Note: See serial numbers for all Steinways at bottom of page.)
Square Pianos
First One # 483 |
Made in 1853 |
| Last One # 62,871 | Made in 1888 |
Grand Pianos
| Model D | First One # 791 | Made In 1856-1859 | 8' 3" | 7 Octaves |
| Old Style 4 | First One # 2522 | 1859-1864 | 8' 5" | 7 Octaves |
| 1869-1878 | 8' 6" | 7 & 1/3 | ||
| 1876-1884 | 8' 9" | 7 & 1/3 | ||
| 1884-1913 | 8' 10" | 7 & 1/3 | ||
| 1914-1966 | 8' 11 & 1/4" | 7 & 1/3 |
| 1967- | 8' 11 & 3/4" | 7 & 1/3 |
| Model C | First One # 2,485 | Made In 1859-1869 | 7' 1" | 7 Octaves |
| (Old Style 3) | 1870-1884 | 7' 2" | 7 & 1/3 | |
| 1884-1556 | 7' 3 &1/2" | 7 & 1/3 | ||
| 1885-1936 | 7' 5" | 7 & 1/3 | ||
| Last Ones # 163,XXX | 1913 | 7' 5" | 7 & 1/3 |
| Model B | First One # 24,000 | Made In 1872-1884 | 6' 8" | 7 Octaves |
| (Old Style 2) | 1884-1892 | 6' 10 &1/2" | 7 | |
| 1891-1913 | 6' 10 &1/2" | 7 & 1/3 | ||
| 1914-1917 | 6' 11 &1/2" | 7 & 1/3 | ||
| 1918-1966 | 6' 11" | 7 & 1/3 |
| 1967- | 6' 10 &1/2" | 7 & 1/3 |
| Model A | First One # 38,887 (Round Tail) | Made in 1878-1893 | 6' 0" | 7 Octaves |
| Model A I | 1892-1897 | 6' 0" | 7 & 1/3 | |
| Model A II | # 86,XXX (Square Tail) | 1896-1914 | 6' 0" | 7 & 1/3 |
| Model A III | First One # 163,442 | Made in 1913 | 6' 4 &1/2" | 7 & 1/3 |
| Last Ones # 318,XXX | 1947 | 6' 4 &1/2" | 7 & 1/3 |
| Model O | First One # 96,766 | Made in 1900-1913 | 5' 10" | 7 & 1/3 |
| 1914-1924 | 5' 10 & 1/2" | 7 & 1/3 | ||
| Last Ones # 221,XXX | 1923 | 5' 10 & 1/2" | 7 & 1/3 |
| Model L | First One # 219,684 | Made in 1923- | 5' 10 & 1/2" | 7 & 1/3 |
| Model M | First One # 149,500 | Made in 1911 | 5' 6" | 7 & 1/3 |
| 1914 | 5' 6 &3/4" | 7 & 1/3 | ||
| 1918- | 5' 7" | 7 & 1/3 |
| Model S | First One # 280,900 | Made In 1935- | 5' 1" | 7 & 1/3 |
Note: Sheraton design, SK. 380 became regular stock model on all non-period grands in 1910 with # 140,XXX.
Grand Player Pianos
| Model XR | Was 6' 2" | (Model M plus 7") |
| Model OR | Was 6' 5" | (Model O or L plus 6 & 1/2") |
| Model AR | Was 6' 11 &1/2" | (Model A III plus 7") |
Note: Steinway sold the piano to Aeolian Co. who installed the Duo Art Mechanism
Uprights
| First One # 5,451 | Made in 1862 | 7 Octaves | ||
| Last Ones # 270,XXX | Made in 1934 | 7 | ||
| Model E | 1869 to 1872 | 4' 0" | 7 | |
| (Style 1) | 1872 to 1892 | 3' 10" | 7 & 1/3 | |
| 1892 to 1898 | 4' 2" | 7 & 1/3 | ||
| Model V | 1913 to 1934 | 4' 1" | 7 & 1/3 | |
| Models F & O (also L, R, H, X, and T) | 1869 to 1884 | 4' 4" | 7 & 1/3 | |
| (Style 2) | 1884 to 1898 | 4' 5 & 1/2" | 7 & 1/3 | |
| Model I | 1989 to 1914 | 4' 6 & 1/2" | 7 & 1/3 | |
| 1914 to 1923 | 4' 6" | 7 & 1/3 | ||
| Model N | 1900 to 1912 | 4' 4" | 7 & 1/3 | |
| Model K | 1903 to 1914 | 4' 2" | 7 & 1/3 | |
| 1914 to 1929 | 4' 3 & 1/2" | 7 & 1/3 | ||
| Model G (Also S, P, Q, M, K, and T) | 1874 to 1884 | 4' 8" | 7 & 1/3 | |
| (Style 3) | 1884 to 1898 | 4' 8 & 3/4" | 7 & 1/3 |
Verticals
(All have 7 & 1/3 Octaves)
| Model 45 (P) | Pianino | First One | Serial # 291,575 | Made in 1938 |
| Modern | Sk. 1051 | 297,678 | 1939 to 1941 | |
| Louis XV | Sk 1056 | 297,660 | 1939 to 1941 | |
| Model 40 | First One | 297,092 | Made in 1939 | |
| Sheraton | Sk1057 | 297,092 | 1939 to 1946 | |
| Colonial | Sk1052 | 297,094 | 1940 to 1941 | |
| Queen Ann | Sk 1062 | 301,597 | 1940 to 1941 | |
| Chippendale | Sk 1063 | 301,652 | 1940 to 1941 | |
| Louis XV | Sk 1072 | 302,754 | 1940 to 1941 | |
| Modern | Sk 1051 | 303,657 | 1940 to 1941 | |
| Hepplewhite | Sk 1073 | 304,314 | 1940 | |
| Regency | Sk 1071 | 308,572 | 1941 | |
| Early American | Sk 1075 | 308,929 | 1941 | |
| Georgian | Sk 1077 | 321,875 | 1947 to 1948 | |
| Louis XV | Sk 1082 | 326,227 | 1949 |
STEINWAY SERIAL NUMBERS
(Find the serial number closest to but higher than, the serial number of your piano and the approximate year of manufacture is next to it.)
| Serial # | Year | Serial # | Year | Serial # | Year | Serial # | Year | Serial # | Year | Serial # | Year |
| 1000 | 1856 | 60000 | 1887 | 175000 | 1916 | 276000 | 1933 | 346500 | 1955 | 455300 | 1978 |
| 2000 | 1858 | 65000 | 1889 | 180000 | 1917 | 278000 | 1934 | 350000 | 1956 | 463000 | 1979 |
| 3000 | 1860 | 70000 | 1891 | 185000 | 1917 | 279000 | 1935 | 355000 | 1957 | 468500 | 1980 |
| 5000 | 1861 | 75000 | 1893 | 190000 | 1918 | 281000 | 1936 | 358000 | 1958 | 473500 | 1981 |
| 7000 | 1863 | 80000 | 1894 | 195000 | 1919 | 284000 | 1936 | 362000 | 1959 | 478500 | 1982 |
| 9000 | 1864 | 85000 | 1896 | 200000 | 1920 | 289000 | 1937 | 366000 | 1960 | 483000 | 1983 |
| 11000 | 1865 | 90000 | 1898 | 205000 | 1921 | 290000 | 1938 | 370000 | 1961 | 488000 | 1984 |
| 13000 | 1866 | 95000 | 1900 | 210000 | 1922 | 294000 | 1939 | 375000 | 1962 | 493000 | 1985 |
| 15000 | 1867 | 100000 | 1901 | 215000 | 1923 | 300000 | 1940 | 380000 | 1963 | 498000 | 1986 |
| 17000 | 1869 | 105000 | 1902 | 220000 | 1923 | 305000 | 1941 | 385000 | 1964 | 503000 | 1987 |
| 19000 | 1869 | 110000 | 1904 | 225000 | 1924 | 310000 | 1942 | 390000 | 1965 | 507700 | 1988 |
| 21000 | 1870 | 115000 | 1905 | 230000 | 1925 | 314000 | 1943 | 395000 | 1966 | 512600 | 1989 |
| 23000 | 1871 | 120000 | 1906 | 235000 | 1925 | 316000 | 1944 | 400000 | 1967 | 516600 | 1990 |
| 25000 | 1872 | 125000 | 1907 | 240000 | 1926 | 317000 | 1945 | 405000 | 1968 | 520300 | 1991 |
| 27000 | 1873 | 130000 | 1908 | 250000 | 1927 | 319000 | 1946 | 412000 | 1969 | 523500 | 1992 |
| 29000 | 1874 | 135000 | 1909 | 255000 | 1927 | 322000 | 1947 | 418000 | 1970 | 527000 | 1993 |
| 31000 | 1875 | 140000 | 1910 | 260000 | 1928 | 324000 | 1948 | 423000 | 1971 | 531000 | 1994 |
| 33000 | 1876 | 145000 | 1911 | 265000 | 1929 | 328000 | 1949 | 426000 | 1972 | ||
| 35000 | 1877 | 150000 | 1911 | 270000 | 1930 | 331000 | 1950 | 431000 | 1973 | ||
| 40000 | 1878 | 155000 | 1912 | 271000 | 1931 | 334000 | 1951 | 436000 | 1974 | ||
| 45000 | 1881 | 160000 | 1913 | 273000 | 1932 | 337000 | 1952 | 439000 | 1975 | ||
| 50000 | 1883 | 165000 | 1914 | 274000 | 1932 | 340000 | 1953 | 445000 | 1976 | ||
| 55000 | 1886 | 170000 | 1915 | 275000 | 1933 | 343000 | 1954 | 450000 | 1977 |