B-70-33 Box Cars:
MKT 8600-8799 60'-9" 6450 ft3 Evans 1967 MKT 11400-11992 50'-6" 4980 ft3 Evans 1967 MKT 11993-11999 50'-6" 4900 ft3 Evans 1967 BKTY 18000-18499 50'-6" 4957 ft3 PS (Lot 5440) 1-2/1970 BKTY 20200-20307 49'-1" 4650 ft3 ACFI (Lot 11-06205) 1966 BKTY 20308-20311 49'-1" 4650 ft3 ACFI (Lot 11-06206) 1966 BKTY 20656-20825 50'-2" 5040 ft3 ACFI 1966
This is a mixed bag class of cars with both MKT and BKTY reporting marks, built by 3 different builders and of different length cars. This is a deviation from typical SP practice of assigning a new class to different design cars, even to the point of different orders of identical cars, but since they were operationally MKT cars, it is understandable.
They were financed by the SP-owned Banker's Leasing Corporation as part of the Commonwealth Plan. Thus they featured SP class designations.
At some point, at least some of these cars received a leading 1 before their original road number.
Photos of each of these groups of cars can be seen in the book Frisco/Katy Color Guide to Freight Equipment by Nicholas Molo.

Photo by: Garland McKee
MKT:
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Ron Hawkins |
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Garland McKee |
Craig, CA; 08/27/1978 |
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Ron Hawkins |
Cajon Pass, CA; 04/23/1977 |
BKTY:
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Ron Hawkins |
Fullerton, CA; 06/22/1977 |
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Steve Vincent |
San Diego, CA; 04/07/1977 |
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Peter Vincent |
Calumet Park, IL; 10/1979 |
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Jim Kinkaid Collection |
PS Builder's Photo |
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John Rus |
Denver, CO; 10/27/1990 |
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Chris Butts |
Montclair, CA; 3/1992 |