Alco RS-32 / DL721 Roster (Production) & Ownership Tracker
Somebody's Large Digital Image Here
Reformatted: 27 August 2022 Roster & photo by: R. Craig
Alco Serial Number Original Owner

& Subsequent Owners (date acquired)

Shop Number Bldr Dates
83981 New York Central 8020 -- 6/1961

--- NYC 2020 (--)

--

--- Penn Central 2020 (--)

--
83982 New York Central 8021 -- 6/1961

--- NYC 2021 (--)

--

--- Penn Central 2021 (--)

--

--- Conrail 2021 (--)

--

--- Chicago & North Western 4247 (--)

--
83983 New York Central 8022 -- 6/1961

--- NYC 2022 (--)

--

--- Penn Central 2022 (--)

--

--- Conrail 2022 (--)

--

--- Chicago & North Western 4243 (--)

--
83984 New York Central 8023 -- 6/1961

--- NYC 2023 (--)

--

--- Penn Central 2023 (--)

--

--- Conrail 203823

--- Chicago & North Western 4249 (--)

--
83985 New York Central 8024 -- 6/1961

--- NYC 2024 (--)

--

--- Penn Central 2024 (--)

--

--- Conrail 2024 (--)

--

--- Chicago & North Western 4242 (--)

--
83986 New York Central 8025 -- 6/1961

--- NYC 2025 (--)

--

--- Penn Central 2025 (--)

--
83987 New York Central 8026 -- 6/1961

--- NYC 2026 (--)

--

--- Penn Central 2026 (--)

--
83988 New York Central 8027 -- 6/1961

--- NYC 2027 (--)

--

--- Penn Central 2027 (--)

--
83989 New York Central 8028 -- 6/1961

--- NYC 2028 (--)

--

--- Penn Central 2028 (--)

--
83990 New York Central 8029 -- 6/1961

--- NYC 2029 (--)

--

--- Penn Central 2029 (--)

--
83991 New York Central 8030 -- 6/1961

--- NYC 2030 (--)

--

--- Penn Central 2030 (--)

--

--- Conrail 2030 (--)

--
83992 New York Central 8031 -- 6/62

--- NYC 2031 (--)

--

--- Penn Central 2031 (--)

--

--- Conrail 2031 (--)

--

--- Maryland & Delaware 42 (--)

--

--- Arkansas & Missouri 30 (--)

--
83993 New York Central 8032 -- 6/1961

--- NYC 2032 (--)

--

--- Penn Central 2032 (--)

--

--- Conrail 2032 (--)

--
83994 New York Central 8033 -- 6/1961

--- NYC 2033 (--)

--

--- Penn Central 2033 (--)

--

--- Conrail 2033 (--)

--
83995 New York Central 8034 -- 6/1961

--- NYC 2034 (--)

--

--- Penn Central 2034 (--)

--

--- Conrail 2034 (--)

--

--- Chicago & North Western 4246 (--)

--
84025 Southern Pacific 7300 -- 3/62

--- SP 4000 (--)

--

--- Chrome Crankshaft 4000 (1978/79)

--

--- Fundidora Monterey 4000 (--)

--
84026 Southern Pacific 7301 -- 3/62

--- SP 4001 (1965)

--

--- Chrome Crankshaft 4001 (1978/79)

--

--- Fundidora Monterey 4001 (--)

--
84027 Southern Pacific 7302 -- 3/62

--- SP 4002 (1965)

--

--- Chrome Crankshaft 4002 (--)

--

--- ETWN 211 (--)

--

--- ETRY 211 (--)

--

--- Delaware Valley 211 (--)

--

--- Tishmigo 211 (--)

--

--- Delaware - Lackawanna 211 (--)

--
84028 Southern Pacific 7303 -- 3/62

--- SP 4003 (1965)

--

--- Chrome Crankshaft 4003 (1978/79)

--

--- Fundidora Monterey 4003 (--)

--
84029 Southern Pacific 7304 -- 3/62

--- SP 4004 (1965)

--

--- Chrome Crankshaft 4004 (1978/79)

--

--- J.R.Simplot 4004 (1981)

--

--- Feather River Rail Society (1990)

--

--- Pacific Southwest Railway Museum (--)

--
84030 Southern Pacific 7305 -- 3/62

--- SP 4005 (1965)

--

--- Chrome Crankshaft 4005 (1978/79)

--
84031 Southern Pacific 7306 -- 4/62

--- SP 4006 (1965)

--

--- Proler Int'l (scrapped)

--
84032 Southern Pacific 7307 -- 4/62

--- SP 4007 (1965)

--

--- Proler Int'l (scrapped)

--
84033 Southern Pacific 7308 -- 4/62

--- SP 4008 (1965)

--

--- Proler Int'l (scrapped)

--
84034 Southern Pacific 7309 -- 4/62

--- SP 4009 (1965)

--

--- Chrome Crankshaft 4009 (--)

--

--- Short Line Enterprise (--)

--

--- Fillmore & Western 4009 (--)

--

--- Southern Cal. Rwy Museum (--)

--
84036 New York Central 8036 -- 6/1962

--- NYC 2036 (--)

--
84037 New York Central 8037 -- 6/1962

--- NYC 2037 (--)

--
84038 New York Central 8038 -- 6/1962

--- NYC 2038 (--)

--

--- Penn Central 2038 (--)

--

--- Conrail 2038 (--)

--

--- Chicago & North Western 4241 (--)

--
84039 New York Central 8039 -- 6/1962

--- NYC 2039 (--)

--
84183 New York Central 8040 -- 6/1962

--- NYC 2040 (--)

--
84184 New York Central 8041 -- 6/1962

--- NYC 2041 (--)

--

--- Penn Central 2041 (--)

--

--- Conrail 2041 (--)

--

--- Chicago & North Western 4240 (--)

--
84185 New York Central 8042 -- 6/1962

--- NYC 2042 (--)

--

--- Penn Central 2042 (--)

--

--- Conrail 2042 (--)

--

--- Chicago & North Western 4248 (--)

--
84186 New York Central 8043 -- 6/1962

--- NYC 2043 (--)

--

--- Penn Central 2043 (--)

--

--- Conrail 2043 (--)

--

--- Chicago & North Western 4244 (--)

--
84187 New York Central 8044 -- 6/1962

--- NYC 2044 (--)

--

--- Penn Central 2044 (--)

--

--- Conrail 2044 (--)

--

--- Chicago & North Western 4245 (--)

--
RS-32 Spotting features:
  • Nearly indistinguishable from RS36, except for short vertical slot (turbo-charger air intake) above walkway behind cab (engineer's side only).
  • Southern Pacific data by Randy Keller
  • Roster addition / correction from: Duncan Richards

Technical Data

Drawing and Technical Data by Jean-Denis Bachand
Engine: Alco 2000 hp (4-cycle Model 251C V12) Bore & Stroke: 9" X 10.5"
Generators: Main(GE - GT581D2) / Auxilary (GE 566-E1) RPM: (Maximum 1025 / Minimum 40)
Gear Ratio: 74:18 / 64:19 Speed: 70 mph / 80 mph
4-Wheel Trucks with GE 752 Traction Motors(Four) Air Brake: Westinghouse (Model 26L)
Tractive Effort (starting) 66,000 lbs @ 25% Tractive Effort (continuous): 35,000 lbs @ 8 mph
Compressor: Westinghouse (Model 3CDC) Multiple Unit: Yes
- -
Lengths: (Locomotive 57'-02") and (Pilot to Pilot 52'-06") Widths: Cab (10'-00") / Engine Hood (6'-10")
Truck Wheel Base (9'-04") with 40" diameter wheels Minimum Turning Radious (30 degrees)
Height to Top Engine Hood (14'-06") Height to Top Cab Roof (15'-00"
Distance between Truck Centers (45'-11") Center Bolster (31'-00"
- -
Oil: Fuel (1200 gal.) and Lubricating (200 gal.) Engine Cooling Water (250 gal.) / Sand capacity: 28 cu. ft. Reference Sources:
  • Railroad Model Craftsman, Issue August 1978
  • Extra 2200 South
  • The Diesel Builders, Vol.2 by John F. Kirkland

Original uploading: 12 May 2006



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