The GM&O freight car roster of October 1968 is presented as follows:
GM&O
Frt Car Roster
GM&O Nbr | Length | Car Type | Capy (ft3) | built | bldr. | capy (tons) | Comments | 1200-1247 | 50'-1" | Box | 4360 ft3 | 19xx | xxxx | 70 ton | RBL | 46 | 1250-1271 | 50'-1" | Box | 4548 ft3 | 19xx | xxxx | 70 ton | RBL | 22 | 1275-1295 | 50'-1" | Box | 4635 ft3 | 19xx | xxxx | 70 ton | RBL | 21 | 1300-1326 | 50'-1" | Box | 4281 ft3 | 19xx | xxxx | 70 ton | RBL | 26 | 1330-1332 | 50'-1" | Box | 4565 ft3 | 19xx | xxxx | 70 ton | RBL | 3 | 1400-1410 | 40'-0" | Box |  : | 19xx | xxxx | 40 ton | RB | 3 | 1425-1499 | 50'-1" | Box | 4640 ft3 | 19xx | xxxx | 70 ton | RBL | 75 | 1800-1809 | 45'-8" | Tank | n/a | 19xx | xxxx | 70 ton | 19140 gal | 10 | 3500-3599 | 50'-0" | Wood Rack | n/a | 19xx | xxxx | 70 ton | 100 | 3600-3749 | 50'-0" | Wood Rack | n/a | 19xx | xxxx | 70 ton | 150 | 3750-3999 | 38'-3" | Wood Rack | n/a | 19xx | xxxx | 50 ton | 250 | 4000-4900 | 38'-3" | Wood Rack | n/a | 19xx | xxxx | 50 ton | 900 | 4901-4926 | 35'-0" | Wood Rack | n/a | 19xx | xxxx | 50 ton | rblt fm box cars | 26 | 5000-5683 | 40'-6" | Box | 3710 ft3 | 19xx | xxxx | 40 ton | 132 | 6000-6009 | 40'-6" | Box | 3901 ft3 | 19xx | xxxx | 50 ton | aluminum | 1 | 6400-6549 | 40'-6" | Box | 3311 ft3 | 19xx | xxxx | 50 ton | 3 | 7000-7049 | 50'-0" | Wood Rack | n/a | 19xx | xxxx | 70 ton | 75 | 8000-8999 | 40'-6" | Box | 3710 ft3 | 19xx | xxxx | 40 ton | 282 | 9000-9199 | 50'-6" | Box | 4845 ft3 | 19xx | xxxx | 50 ton | 174 | 9200-9599 | 50'-6" | Box | 4845 ft3 | 19xx | xxxx | 50 ton | 618 | 9600-9849 | 50'-6" | Box | 4845 ft3 | 19xx | xxxx | 50 ton | ^ | 10000-10024 | 65'-6" | Gondola | 1777 ft3 | 19xx | xxxx | 70 ton | 24 | 10050-10099 | 65'-5" | Gondola | 1777 ft3 | 19xx | xxxx | 70 ton | 50 | 10100-10124 | 65'-5" | Gondola | 1777 ft3 | 19xx | xxxx | 70 ton | 25 | 13000-13124 | 41'-3" | Gondola | 1825 ft3 | 19xx | xxxx | 50 ton | 50 | 13150-13152 | 41'-6" | Gondola | 2465 ft3 | 19xx | xxxx | 50 ton | 3 | 13200-13251 | 41'-6" | Gondola | 1368 ft3 | 19xx | xxxx | 50 ton | 52 | 13500-14099 | 41'-3" | Gondola | 1825 ft3 | 19xx | xxxx | 50 ton | 523 | 14100-14799 | 41'-6" | Gondola | 1840 ft3 | 19xx | xxxx | 50 ton | 643 | 15000-15205 | 41'-6" | Gondola | 1830 ft3 | 19xx | xxxx | 50 ton | 12 | 15553-15720 | 41'-6" | Gondola | 1896 ft3 | 19xx | xxxx | 50 ton | 12 | 20000-20249 | 40'-6" | Box | 3645 ft3 | 19xx | xxxx | 50 ton | 5 | 21000-21999 | 40'-6" | Box | 3895 ft3 | 1947 | AC&F | 50 ton | 1275 | 22000-22419 | 40'-6" | Box | 3895 ft3 | 1947 | AC&F | 50 ton | ^ | 22500-22589 | 40'-6" | Box | 3898 ft3 | 19xx | xxxx | 50 ton | 89 | 22590-22889 | 40'-6" | Box | 3898 ft3 | 19xx | xxxx | 50 ton | 283 | 24000-24099 | 40'-2" | Box | 3906 ft3 | 19xx | xxxx | 50 ton | 97 | 24100-24199 | 40'-6" | Box | 3901 ft3 | 19xx | xxxx | 50 ton | 100 | 24500-24549 | 40'-6" | Box | 3901 ft3 | 19xx | xxxx | 50 ton | 49 | 24599 | 40'-6" | Box | 3898 ft3 | 19xx | xxxx | 50 ton | bricks | 1 | 24675 | 40'-6" | Box | 4640 ft3 | 19xx | xxxx | 50 ton | hi cube | 1 | 25600-25629 | 29'-9" | Tank | n/a | 19xx | xxxx | 50 ton | 10,000 gal | 16 | 25630 | Tank | n/a | 19xx | xxxx | 40 ton | 8096 gal | 1 | 25632 | Tank | n/a | 19xx | xxxx | 50 ton | 8048 gal | 1 | 25633 | Tank | n/a | 19xx | xxxx | 50 ton | 8000 gal | 1 | 25634 | Tank | n/a | 19xx | xxxx | xx ton | 10000 gal | 1 | 25635 | Tank | n/a | 19xx | xxxx | xx ton | 10000 gal | 1 | 25646 | 32'-11" | Tank | n/a | 19xx | xxxx | 50 ton | 8050 gal | 1 | 25647 | 33'-3" | Tank | n/a | 19xx | xxxx | 40 ton | 8090 gal | 1 | 25651-25676 | Tank | n/a | 19xx | xxxx | 40 ton | 8000 gal | 4 | 26000-26999 | 40'-6" | Box | 3898 ft3 | 19xx | xxxx | 50 ton | 930 | 27000-27074 | 40'-6" | Box | 3715 ft3 | 19xx | xxxx | 50 ton | 74 | 32000-32899 | 33'-0" | Coal Hopper | 2191 ft3 | 19xx | xxxx | 50 ton | 235 | 35000-35024 | 40'-6" | Box | 3645 ft3 | 19xx | xxxx | 50 ton | 1 | 35200-35249 | 40'-6" | Box | 3895 ft3 | 19xx | xxxx | 50 ton | 11 | 35250-35299 | 40'-6" | Box | 3895 ft3 | 19xx | xxxx | 50 ton | 28 | 35300-35379 | 40'-6" | Box | 3895 ft3 | 19xx | xxxx | 50 ton | 41 | 44000-44249 | 41'-6" | Gondola | 1825 ft3 | 19xx | xxxx | 50 ton | 54 | 45000-45249 | 41'-6" | Gondola | 1896 ft3 | 19xx | xxxx | 50 ton | 134 | 48000-48019 | 41'-6" | Gondola | 1896 ft3 | 19xx | xxxx | 50 ton | 20 | 48050-48053 | 41'-6" | Gondola | 1896 ft3 | 19xx | xxxx | 50 ton | 4 | 48075-48079 | 40'-6" | Gondola | 2598 ft3 | 19xx | xxxx | 50 ton | 5 | 50000-50049 | 50'-6" | Box | 4530 ft3 | 19xx | xxxx | 50 ton | 50 | 50050-50099 | 50'-6" | Box | 4850 ft3 | 19xx | xxxx | 50 ton | 50 | 50100-50124 | 50'-6" | Box | 4845 ft3 | 19xx | xxxx | 50 ton | 25 | 51000-51499 | 40'-6" | Box | 3868 ft3 | 19xx | xxxx | 50 ton | 30 | 52000-53099 | 40'-6" | Box | 3901 ft3 | 19xx | xxxx | 50 ton | 415 | 54000-54044 | 50'-6" | Box | 4928 ft3 | 19xx | xxxx | 50 ton | 44 | 54100-54299 | 50'-6" | Box | 4932 ft3 | 19xx | xxxx | 50 ton | 194 | 56000-56199 | 50'-6" | Box | 4932 ft3 | 19xx | xxxx | 50 ton | 196 | 56200-56399 | 50'-6" | Box | 4932 ft3 | 19xx | xxxx | 50 ton | 196 | 57000-57299 | 50'-6" | Box | 4941 ft3 | 19xx | xxxx | 50 ton | 297 | 57300-57499 | 50'-6" | Box | 4941 ft3 | 19xx | xxxx | 50 ton | 199 | 57500-57799 | 50'-6" | Box | 4941 ft3 | 19xx | xxxx | 50 ton | 297 | 57800-57999 | 50'-6" | Box | 4947 ft3 | 19xx | xxxx | 50 ton | 200 | 58000-58199 | 50'-6" | Box | 4941 ft3 | 19xx | xxxx | 50 ton | 200 | 59000-59049 | 40'-6" | Box | 3901 ft3 | 19xx | xxxx | 50 ton | 25 | 59050-59059 | 40'-6" | Box | 3868 ft3 | 19xx | xxxx | 50 ton | 16 | 59060-59067 | 40'-6" | Box | 3868 ft3 | 19xx | xxxx | 50 ton | ^ | 59075-59076 | 40'-6" | Box | 3898 ft3 | 19xx | xxxx | 50 ton | 2 | 59080-59081 | 50'-6" | Box | 4845 ft3 | 19xx | xxxx | 50 ton | 2 | 59095-59097 | 50'-6" | Box | 4845 ft3 | 19xx | xxxx | 50 ton | 3 | 59100-59103 | 60'-9" | Box | 5880 ft3 | 19xx | xxxx | 90 ton | 4 | 59110-59111 | 60'-8" | Box | 6429 ft3 | 19xx | xxxx | 70 ton | 2 | 59150-59174 | 40'-6" | Box | 3715 ft3 | 19xx | xxxx | 50 ton | 25 | 59200-59499 | 50'-6" | Box | 4932 ft3 | 19xx | xxxx | 70 ton | 295 | 59500-59699 | 50'-6" | Box | 4932 ft3 | 19xx | xxxx | 70 ton | 195 | 59700-59999 | 50'-6" | Box | 4941 ft3 | 19xx | xxxx | 70 ton | 294 | 60000-60849 | 33'-0" | Hopper | 1970 ft3 | 19xx | xxxx | 50 ton | 728 | 62000-62299 | 29'-8" | Hopper | 1629 ft3 | 19xx | xxxx | 95 ton | 300 | 70000-70449 | 41'-6" | Flat | n/a | 19xx | xxxx | 50 ton | 240 | 70500-70749 | 41'-6" | Flat | n/a | 19xx | xxxx | 50 ton | 249 | 72000-72149 | 53'-6" | Flat | n/a | 19xx | xxxx | 50 ton | 48 | 74000 | 48'-6" | Flat | n/a | 19xx | xxxx | 50 ton | 1 | 74001-74002 | 48'-7" | Flat | n/a | 19xx | xxxx | 50 ton | 2 | 74050-74099 | 48'-6" | Flat | n/a | 19xx | xxxx | 50 ton | 50 | 74100-74108 | 48'-8" | Flat | n/a | 19xx | xxxx | 50 ton | 9 | 74109-74117 | 48'-8" | Flat | n/a | 19xx | xxxx | 50 ton | 9 | 74125-74134 | 48'-6" | Flat | n/a | 19xx | xxxx | 70 ton | 10 | 74500 | 41'-0" | Flat | n/a | 19xx | xxxx | 50 ton | 1 | 74525-74528 | 49'-6" | Flat | n/a | 19xx | xxxx | 50 ton | 4 | 74550-74554 | 48'-6" | Flat | n/a | 19xx | xxxx | 50 ton | 5 | 74600-74604 | 48'-6" | Flat | n/a | 19xx | xxxx | 50 ton | 5 | 74700-74724 | 61'-0" | Flat | n/a | 19xx | xxxx | 90 ton | 25 | 74725-74759 | 61'-0" | Flat | n/a | 19xx | xxxx | 90 ton | 35 | 74760-74774 | 61'-0" | Flat | n/a | 19xx | xxxx | 90 ton | 15 | 74800-74829 | 61'-0" | Flat | n/a | 19xx | xxxx | 90 ton | 30 | 75000-75019 | 41'-6" | Flat | n/a | 19xx | xxxx | 50 ton | 19 | 75025-75034 | 48'-0" | Flat | n/a | 19xx | xxxx | 100 ton | 10 | 76000-76002 | 53'-6" | Flat | n/a | 19xx | xxxx | 50 ton | 3 | 76100-76115 | 41'-6" | Flat | n/a | 19xx | xxxx | 50 ton | 16 | 76125-76128 | 49'-3" | Flat | n/a | 19xx | xxxx | 55 ton | 4 | 79000 | 18'-9" | HD Flat | n/a | 19xx | xxxx | 140 ton | 2x6 wheel trucks | 1 | 80000-80149 | 29'-3" | Cov'd Hopper | 1945 ft3 | 19xx | xxxx | 70 ton | 149 | 80500-80649 | 29'-3" | Cov'd Hopper | 1958 ft3 | 19xx | xxxx | 70 ton | 145 | 80700-80749 | 41'-1" | Cov'd Hopper | 3219 ft3 | 19xx | xxxx | 70 ton | 50 | 80800-80899 | 41'-1" | Cov'd Hopper | 2893 ft3 | 19xx | xxxx | 70 ton | 99 | 80900-80974 | 41'-1" | Cov'd Hopper | 3215 ft3 | 19xx | xxxx | 70 ton | 75 | 81000-81049 | 53'-3" | Cov'd Hopper | 4600 ft3 | 19xx | xxxx | 100 ton | 50 | 82000-82199 | 33'-0" | Chip Hopper | 3436 ft3 | 19xx | xxxx | 50 ton | 122 | 82200-82399 | 33'-0" | Chip Hopper | 3500 ft3 | 19xx | xxxx | 50 ton | 200 | 82400-82449 | 42'-8" | Hopper | 4740 ft3 | 19xx | xxxx | 70 ton | 50 | 82500-82537 | 32'-0" | Hopper | 2145 ft3 | 19xx | xxxx | 50 ton | 9 | 82550-82699 | 56'-1" | Chip Hopper | 5748 ft3 | 19xx | xxxx | 70 ton | 150 | 82700-82799 | 56'-1" | Chip Hopper | 5748 ft3 | 19xx | xxxx | 70 ton | 100 | 85000-85035 | 48'-11" | Airslide Hopper | 4180 ft3 | 19xx | GATC | 90 ton | 36 | 85036-85045 | 48'-11" | Airslide Hopper | 4180 ft3 | 19xx | GATC | 90 ton | 10 | 90500-90999 | 44'-4" | Flat | n/a | 19xx | xxxx | 50 ton | 3 | 103000-103149 | 50'-6" | Box | 4872 ft3 | 19xx | xxxx | 50 ton | 145 |
The information for this roster was derived from the October 1968 issue of the Official Railway Equipment Register, the gracious files of Jim Eager and others.