slsf # 3900. have not seen a depressed center flat car in this forums historical library. http://www.frisco.org/shipit/index.php?media/img_2258-1.6592/full&d=1609816447 Karl's diagram puts #3900's capacity at 250,000 lbs. Its clearance is 7-3/8" above the rails. http://www.frisco.org/shipit/index.php?attachments/scan0013-jpg.34310/ Joe Lovett's nice Micro Train model of #3900. neat stuff,
