Based on the MTL poster shown at RMTS:
https://www.therailwire.net/forum/index.php?topic=55771.msg767153#msg767153
We now know that this is a Thrall, 1975 built modern flatcar.
These are the Thrall as-built numbers (Table 11-7 from the TTX Story):
Initial Number Series No. Class Builder Built
OTTX 97000-97099 100 F60FH Thrall 1967
TTHX 97100-97193 94 TSH60C Thrall 1974
OTTX 97194-97418 225 TSH60A Thrall 1974
HTTX 97419-97462 44 TSH60A Thrall 1974
PTTX 97463-97562 100 TSH60B Thrall 1974-75
MTTX 97563-97700 138 TSH60B Thrall 1975
TTHX 97701-97705 5 TSH62 Thrall 1975
OTTX 97706-97955 250 TSH61 Thrall 1975
HTTX 97956-98002 47 TSH61 Thrall 1975
MTTX 98003-98225 223 TSH62 Thrall 1975-76
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Service Type (July 1970)
PTTX - Bulkhead Flat (wallboard, plywood etc)
MTTX - General Purpose (M = Multi)
OTTX - Agriculture
HTTX - Heavy Duty
TTHX - Heavy Duty (replaced by HTTX but not removed)
Thank you very much for your help on this project...making it a ton easier.
Joe
