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

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