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Apparatus: Motorized

Ladder Trailers
San Francisco Fire Department
In Order of Purchase
1901 - 1929

All City Service Trailers, all Trailers attached to Tractors in the SFFD are tillered

Shop # Year & Manufacture Details
LT-6 1901 Rumsey City Service Truck
  1915: Converted from horse drawn to a motorized trailer by adding a fifth wheel and removing the driver's seat
   
  In Service Company Details
  Assignments:
    1915 -1917 Truck 6 with a 1915 American LaFrance 4-wheel Tractor (TR-13)
    1917 Trailer to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-12 1901 Rumsey City Service Truck
  1916: Converted from horse drawn to a motorized trailer by adding a fifth wheel and removing the driver's seat
   
  In Service Company Details
  Assignments:
    1917- November 14, 1924 Truck 5 with a 1917 American LaFrance 4-wheel Tractor (TR-19)
    November 14, 1924 - 1926 Truck 5 with a 1912 Seagrave 4-wheel Tractor (TR-27)
    1926  Trailer to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-13 1902 Hooper City Service Truck
  1917: Converted from horse drawn to a motorized trailer by adding a fifth wheel and removing the driver's seat
   
  In Service Company Details
  Assignments:
    1917 - 1919 Truck 9 with a 1917 American LaFrance 4-wheel Tractor (TR-23)
    1919 - 1923 Trailer to Reserve
    1923 - 1926 Truck 15 with a 1917 American LaFrance 4-wheel Tractor (TR-22)
    1926 Trailer to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-14 1902 Hooper City Service Truck
  1920: Converted from horse drawn to a motorized trailer by adding a fifth wheel and removing the driver's seat
   
  In Service Company Details
  Assignments:
    1920 - November 14, 1924 Truck 8 with a 1919 Seagrave 4-wheel Tractor (TR-24)
    November 15, 1924 - 1927 Truck 8 with a 1917 American LaFrance 4-wheel Tractor (TR-20)
    1927 Trailer to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-16 1903 American LaFrance City Service Truck
  1918: Converted from horse drawn to a motorized trailer by adding a fifth wheel and removing the driver's seat
   
  In Service Company Details
  Assignments:
    1918 - 1920 Truck 12 with a 1915 Schnerr 4-wheel Tractor (TR-16)
    1920 - November 14, 1924 Truck 12 with a 1917 American LaFrance 4-wheel Tractor (TR-20)
    November 14, 1924 Trailer to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-17 1903 Kenney City Service Truck
  1916: Converted from horse drawn to a motorized trailer by adding a fifth wheel and removing the driver's seat
   
  In Service Company Details
  Assignments:
    1916 - 1917  Truck 12, with a 1915 Schnerr 4-wheel Tractor (TR-16)
    1917 - 1918    Truck 12, with a 1915 American LaFrance 4-wheel Tractor (TR-15)
    1918 - November 14, 1924 Trailer to Reserve
    November 14, 1924 - December 1929 Truck 12, with a 1917 American LaFrance 4-wheel Tractor (TR-19)
    December 1929 Trailer to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-18 1903 Kenney City Service Truck
  1923: Converted from horse drawn to a motorized trailer by adding a fifth wheel and removing the driver's seat
   
  In Service Company Details
  Assignments:
    1923- 1924 Truck 1 with a 1923 Seagrave 4-wheel Tractor (TR-26)
    1924 Trailer to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-20 1908 Seagrave City Service Truck
    Registration #2569  
  Carried ladders built by Seagrave
  1917: Converted from horse drawn to a motorized trailer by adding a fifth wheel and removing the driver's seat
   
  In Service Company Details
  Assignments:
    1917 - December 1929 Truck 6 with a 1917 American LaFrance 4-wheel Tractor (TR-21)
    December 1929 Trailer to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-10 1909 Hayes Aerial Ladder, spring-activated, 2 section, 85 foot wooden ladder
  1914: Converted from horse drawn to a motorized trailer by adding a fifth wheel, removing the driver's seat
   
  In Service Company Details
  Assignments:
    1914 - December 7, 1929 Truck 3 with a 1912 Seagrave 4-wheel Tractor (TR-1)
    December 7, 1929 Tractor & Trailer both to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-21 1909 American LaFrance 85-foot wooden Aerial Trailer of the Hayes design, spring-activated, 2 section, 85 foot wooden ladder
    Registration #16  
  1922: Converted from horse drawn to a motorized trailer by adding a fifth wheel, removing the driver's seat
   
  In Service Company Details
  Assignments:
    December 7, 1929 - 1937 Truck 3 with a 1929 Mack 4-wheel Tractor (TR-31)
    1937 - November 1940 Truck 3 with a 1937 Ahrens-Fox 4-wheel Tractor (TR-38)
    November 1940 - 1944 Truck 8, with a 1937 Ahrens-Fox 4-wheel Tractor (TR-38)
    1944 - January 2, 1950 Tractor & Trailer both to Reserve
    January 2, 1950 - March 3, 1950 Truck 10 with a 1921 American LaFrance 4-wheel Tractor (TR-25)
    March 3, 1950 - February 8, 1951 Truck 10 with a 1937 Ahrens-Fox 4-wheel Tractor (TR-38)
    February 8, 1951 - February 15, 1951 Truck 10 with a 1917 American LaFrance 4-wheel Tractor (TR-21)
    February 15, 1951 - April 7, 1954 Truck 10 with a 1937 Ahrens-Fox, 4-wheel Tractor (TR-38)
  *April 7, 1954: Trailer over turned and heavily damaged in accident at Arguello & Geary Streets while responding to a fire.  Tillerman Herbert G. Martin was killed in the Line of Duty.
  1955: LT-21 Aerial cut back to 65-feet and used for spare parts
    1955 Tractor Sold

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Shop # Year & Manufacture Details
LT-19 1910 Hayes Aerial Ladder, spring-activated, 2 section, 85 foot wooden ladder
 

1919: Converted from horse drawn to a motorized trailer by adding a fifth wheel, removing the driver's seat

   
  In Service Company Details
  Assignments:
    1919 - March 30, 1925 Truck 10 with a 1916 Seagrave 4-wheel Tractor (TR-18)
    March 30, 1925-1926 Truck 10 with 1912 Seagrave 4-wheel Tractor (TR-28)
    1926 Trailer to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-22 1910 American LaFrance Aerial Ladder, of the Hayes design, spring-activated, 2 section, 85 foot wooden ladder
 

1915: Converted from horse drawn to a motorized trailer by adding a fifth wheel, removing the driver's seat

   
  In Service Company Details
  Assignments:
    1915 - 1917 Truck 13 with a 1915 American LaFrance 4-wheel Tractor (TR-14)
    1917 - 1923 Truck 13 with a 1917 American LaFrance 4-wheel Tractor (TR-22)
    1923 - 1926 Truck 13 with a 1915 American LaFrance 4-wheel Tractor (TR-14)
    1926 - 1928 Truck 5 with a 1912 Seagrave 4-wheel Tractor (TR-27)
    1928 - 1939 Trailer to Reserve
    1939 - 1960 Truck 16 with a 1929 Mack 4-wheel Tractor (TR-31)
    1960 Tractor & Trailer both to Drill Tower
      Sold

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Shop # Year & Manufacture Details
LT-7 1911 Larkin City Service Trailer
 

1916: Converted from horse drawn to a motorized trailer by adding a fifth wheel, removing the driver's seat

   
  In Service Company Details
  Assignments:
    1916 - 1920 Truck 11 with a 1916 Schnerr 4-wheel Tractor (TR-17)
    1920 - November 14, 1924 Truck 9 with a 1917 American LaFrance 4-wheel Tractor (TR-23)
    November 14, 1924 - 1926 Truck 9 with a 1919 Seagrave 4-wheel Tractor (TR-24)
    1926 Trailer to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-9 1911 Hayes Aerial Ladder, spring-activated, 2 section, 85 foot wooden ladder
 

1917: Converted from horse drawn to a motorized trailer by adding a fifth wheel, removing the driver's seat

   
  In Service Company Details
  Assignments:
    1917 - 1920 Truck 8 with a 1917 American LaFrance 4-wheel Tractor (TR-20)
    1920 - November 14, 1924 Truck 11 with a 1916 Schnerr 4-wheel Tractor (TR-17)
    November 14, 1924 - 1928 Truck 11 with a 1917 American LaFrance 4-wheel Tractor (TR-23)
    1928 Trailer to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-8 1912 Larkin City Service Trailer
 

1916: Converted from horse drawn to a motorized trailer by adding a fifth wheel, removing the driver's seat

   
  In Service Company Details
  Assignments:
    1916 - 1919 Truck 10 with a 1916 Schnerr 4-wheel Tractor (TR-18)
    1919 - 1920 Truck 9 with a 1917 American LaFrance 4-wheel Tractor (TR-23)
    1920 - 1928 Truck 6 with a 1915 American LaFrance 4-wheel Tractor (TR-13)
    1928 Trailer to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-23 1912 Seagrave City Service Trailer, purchased in conjunction with the corresponding tractor (TR-2)
   
  In Service Company Details
  Assignments:
    September 17, 1912 - 1926 Truck 4 with 1912 Seagrave 4-wheel Tractor (TR-2)
    1926 - 1927 Truck 4 with a 1917 American LaFrance 4-wheel Tractor (TR-22)
    1927 - 1931 Trailer to Reserve
    1931 - 1937 Truck 16 with a 1917 American LaFrance 4-wheel Tractor (TR-19)
    1937 - 1939 Truck 16 with 1929 Mack 4-wheel Tractor (TR-31)
    1939 - 1952 Trailer to Reserve
    1952 Sold

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Shop # Year & Manufacture Details
LT-24 1913 American LaFrance City Aerial Ladder of the Hayes design, spring-activated, 2 section, 85 foot wooden ladder, purchased in conjunction with tractor (TR-3)
   
  In Service Company Details
  Assignments:
    March 14, 1914 - 1923 Truck 1 with a 1913 American LaFrance 4-wheel Tractor (TR-3)
    1923 - 1937 Truck 14 with a 1913 American LaFrance 4-wheel Tractor (TR-3)
    1937 - 1939 Truck 14 with a 1917 American LaFrance 4-wheel Tractor (TR-20)
    1939 - 1948 Truck 14 with a 1921 American LaFrance 4-wheel Tractor (TR-25)
    1948 - 1952 Truck 14 with a 1931 Mack 4-wheel Tractor (TR-35)
    1952 - 1962 Truck 14 with a 1929 Mack 4-wheel Tractor (TR-33)
    1962 Tractor & Trailer both to reserve
      Sold

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Shop # Year & Manufacture Details
LT-25 1915 Seagrave City Service Trailer, purchased in conjunction with (TR-15)
   
  In Service Company Details
  Assignments:
    April 11, 1916 - December 1929 Truck 2 with a 1915 Seagrave 4-wheel Tractor (TR-15)
    December 1929 - 1937 Truck 7 with a 1917 American LaFrance 4-wheel Tractor (TR-21)
    1937 - November 1940 Truck 15 with a 1917 American LaFrance 4-wheel Tractor (TR-22)
    November 1940 - 1943  Truck 7 with a 1923 Seagrave 4-wheel Tractor (TR-26)
    1943 - 1952 Truck 7 with a 1942 Seagrave 4-wheel Tractor (TR-44)
    1952 - April 7, 1954 Trailer to Reserve
    April 7, 1954 - 1955 Truck 10 with a 1937 Ahrens-Fox 4-wheel Tractor (TR-38)
    1955  Tractor & Trailer both to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-26 1924 SFFD Corporation Yard Shop-built City Service Trailer
   
  In Service Company Details
  Assignments:
    1924 - December 1929 Truck 1 with a 1923 Seagrave 4-wheel Tractor (TR-26)
    December 1929 - November 1940 Truck 1 with a 1929 Mack 4-wheel Tractor (TR-32)
    November 1940 - 1950 Truck 12 with 1937 Mack 4-wheel Tractor (TR-39)
    1950 - 1955 Truck 12 with a 1948 Seagrave 4-wheel Tractor (TR-48)
    1955 Trailer to Reserve
  1972: Coupled to a 1919 Mack 4 wheel tractor, shop #633, and both units transferred to the apparatus collection of the Museum

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Shop # Year & Manufacture Details
LT-27 1926 SFFD Corporation Yard Shop-built City Service Trailer
   
  In Service Company Details
  Assignments:
    1926 - 1937 Truck 9 with a 1917 American LaFrance 4-wheel Tractor (TR-24)
    1937 - 1956 Truck 9 with a 1937 Mack 4-wheel Tractor (TR-40)
    1956 - 1966 Truck 9 with a 1942 Seagrave 4-wheel Tractor (TR-43)
    1966- Tractor & Trailer both to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-28 1926 SFFD Corporation Yard Shop-built City Service Trailer
   
  In Service Company Details
  Assignments:
    1926 - July 27, 1928 Truck 13 with a 1926 Kleiber 4-wheel Tractor (TR-29)
    July 27, 1928 - December 1929 Truck 13 with a 1921 American LaFrance 4-wheel Tractor (TR-25)
    December 1929 - 1937 Truck 15 with a 1923 Seagrave 4-wheel Tractor (TR-26)
    1937 - November 1940 Truck 7 with a 1923 Seagrave 4-wheel Tractor (TR-26)
    November 1940 - 1948 Truck 1 with a 1929 Mack 4-wheel Tractor (TR-32)
    1948 - 1950 Truck 1 with a 1948 Seagrave 4-wheel Tractor (TR-48)
    1951 - Late 1961 Trailer to Reserve
    Late 1961 Truck 18 with a 1937 Mack 4-wheel Tractor (TR-39)
    Late 1961 Tractor & Trailer both to Reserve
      Sold to a private party
  2005: Purchased from Wendell Joost, with tractor #639, a 1937 Mack, Type 19, and added to the apparatus collection of the Museum

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Shop # Year & Manufacture Details
LT-29 1926 SFFD Corporation Yard Shop-built City Service Trailer
   
  In Service Company Details
  Assignments:
    1926 - December 1929 Truck 15 with a 1926 Kleiber 4-wheel Tractor (TR-30)
    December 1929 - 1937 Truck 13 with a 1921 American LaFrance 4-wheel Tractor (TR-25)
    1937 - 1939 Truck 6 with a 1932 Seagrave 4-wheel Tractor (TR-36)
    1939 - 1945 Trailer to reserve
    1945 - 1946 Truck 17 with a 1923 Seagrave 4-wheel Tractor (TR-26)
    1946 Trailer to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-30 1926 SFFD Corporation Yard Shop-built City Service Trailer
   
  In Service Company Details
  Assignments:
    1926 - 1937 Truck 10 with 1912 Seagrave 4-wheel Tractor (TR-28)
    1937 - 1939 Truck 13 with a 1921 American LaFrance 4-wheel Tractor (TR-25)
    1939 - March 1958 Trailer to Reserve
    March 1958 - 1970 Truck 17 with a 1948 Seagrave 4-wheel Tractor (TR-47)
    1970 Tractor & Trailer both to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-31 1927 SFFD Corporation Yard Shop-built City Service Trailer
   
  In Service Company Details
  Assignments:
    1927- December 1929 Truck 4 with a 1917 American LaFrance 4-wheel Tractor (TR-22)
    December 1929 - 1931 Truck 4 with a 1917 American LaFrance 4-wheel Tractor (TR-19)
    1931 - 1948 Truck 4 with a 1931 Mack 4-wheel Tractor (TR-35)
    1948 - 1950 Truck 4 with a 1948 Seagrave 4-wheel Tractor (TR-47)
    1950 - Late 1961 Trailer to Reserve
    Late 1961 - January 8, 1963 Truck 18, with a 1939 Ahrens-Fox 4-wheel Tractor (TR-41)
    January 8, 1963 Tractor & Trailer both to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-32 1927 SFFD Corporation Yard Shop-built City Service Trailer
   
  In Service Company Details
  Assignments:
    1927 - December 1929 Truck 8 with a 1917 American LaFrance 4-wheel Tractor (TR-20)
    December 1929 - November 1940 Truck 8 with a 1929 Mack 4-wheel Tractor (TR-34)
    November 1940 - 1964 Truck 15 with a 1929 Mack 4-wheel Tractor (TR-34)
    1964 - 1968 Truck 15 with a 1953 Seagrave 4-wheel Tractor (TR-52)
    1968 Trailer to Reserve
      Sold

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Shop # Year & Manufacture Details
LT-37 1929 SFFD Corporation Yard Shop-built City Service Trailer
   
  In Service Company Details
  Assignments:
    December 1929 - 1952 Truck 2 with a 1929 Mack 4-wheel Tractor (TR-33)
    1952 - 1960 Truck 2 with a 1942 Seagrave 4-wheel Tractor (TR-44)
    1960 - 1963 Truck 16 with a 1942 Seagrave 4-wheel Tractor (TR-44)
    October 16, 1963-1968 Truck 20 with a 1942 Seagrave 4-wheel Tractor (TR-44)
    1968 - 1972 Truck 20 with a 1953 Seagrave 4-wheel Tractor (TR-52)
    1972 Trailer to Reserve
      Sold

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**Shop # Key**
500's Engines
600's Ladder Truck Tractors
700's Ladder Truck Trailers
800's all other Fire Fighting Apparatus
900's Service Trucks
AC Air Compressor Truck
BT Fire Boat Tender
C Double Combination Pumper
CC Command & Communications Unit
CE Chemical Engine
CF Coffee Wagon
CW Combination Chemical-Hose Wagon
FL  Fuel Unit
FW Foam Wagon
HP High Pressure Fire Hydrant Service Truck
HT  Hose Tender
LT   Ladder Truck Trailer
LW Searchlight Engine
N Acquired from Navy
PC Pollution Control Unit
RS  Rescue Squad
SA Salvage Unit
SS Service Squad
TC  Triple Combination Pumper
TR  Motorized Tractor
TR/LT Ladder Truck Tractor & Trailer, purchased as one unit
TT Tow Truck
TW Tank Wagon
UP  Underwriters' Fire Patrol Salvage Unit
WT Water Tower
 
 
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