| Unit | Bldr. | Model | B/D | B/N | F/N | History | Acq. | Ret. | Notes |
| 45 | GE | 45-ton | ? | ? | | ...; Samuels Pacific Industries 45; OPR 45, 1997 | 1997 | - | stored |
| 100 | EMD | SW1 | 2/1952 | 16899 | 6399-1 | PRTD 100; Watco 100 {Boise Cascade (Wallula, WA)}, 198x; EPTC 100, 1987; OPR 100, 1997 | 1997 | - | |
| 101 | GE | 88-ton | 1956 | 32395 | | Pacific Lumber (Scotia, CA) 101; EPTC 101, 1994; [OPR 101], 1997 | 1997 | - | stored; parts source |
| 187 | EMD | NW5 | 1946 | 3480 | E687-2 | GN 187; BN 987; Pacific Transportation Services 1001; Replinger; MWRL 187, 1993; EPTC 187; [OPR 187], 1997 | 1997 | - | stored |
| 500 | GE | 80-ton | 1/1943 | 15896 | | Twin Cities Ordnance Plant (New Brighton, MN); US Army 7144; Mt. Rainer Scenic RR 500; EPTC 500, c1994; [OPR 500], 1997 | 1997 | - | stored; parts source |
| 501 | GE | 80-ton | c1942 | ? | | US Army; US Army (Fort Lewis, WA); Oregon Coastline Express (Tillamook, OR) 700, 1989; OPR 501, 1999; OPR 501 {CLD Pacific Grain (Portland, OR)}, b2004 | 1997 | - | leased out |
| 602 | EMD | SW8 | 7/1952 | 17230 | 6443-2 | BAM 602; YW 602; OPE 602, 1978; MWRL 602; OPR 602, 1997 | 1997 | - | stored out of service |
| 801 | EMD | SW8 | 8/1951 | 13305 | 4089-2 | GN 99; BN 99; Mount Rainier Scenic RR 81; MWRL 801, 1993; OPR 801, 1997 | 1997 | - | |
| 802 | EMD | SW8 | 1/1954 | 19495 | 4246-1 | SP 4622; SP 1127; LINC 81; LMLX 81, 2003; OPR 802, c2004 | c2004 | - | |
| 803 | EMD | SW8 | 4/1953 | 17160 | 4165-2 | TNO 13; SP 1105; LINC 80, 1984; EPTC 803, 1996; OPR 803, 1997 | 1997 | - | |
| 901 | EMD | SW8u | 10/1953 | 18784 | 4232-1 | CIC 91; CIC SW8u 91, 1989; OPR 901, 2007 | 2007 | - | |
| 1010 | EMD | slug | 3/1950 | 9774 | 4009-3 | LN SW7 2247; SP slug 1010, 1979; OPR [1010], c2000; Archer Daniels Midland (Hugoton, KS) 1010, 2007 | c2000 | 2007 | |
| 1202 | GMD | SW9u | 1953 | A492 | | CP SW9 7403; CP SW9u 1202, 1982; Helm, 1999; (D) LTEX, 2005; OPR 1202, 2005 | 2005 | - | |
| 1810 | EMD | GP7u | 8/1951 | 15691 | 7012-1 | US Army 1821; ARR 1821, 1960; ARR GP7u 1810, 1976; [MR 1810], c1989; [MCR 1810], 1992; NISX 1810, c1993; OPR 1810, 1999; Archer Daniels Midland (Hugoton, KS) 1810, 2007 | 1999 | 2007 | |
| 2501 | GE | 25-ton | 6/1942 | 15682 | | ...; US Maritime Commission L-060-3; Portland Public Docks (Portland, OR) LDE-1, b1970; Port of Portland (same) LDE 401, 1971; re#d 4401, a1982; EPTC (SamTrak) 25, 1992; re#d 2501; OPR 2501, 1997; Oregon Electric Ry Museum, 2005 | 1997 | 2005 | |
| 4501 | GE | 45-ton | 7/1942 | 15713 | | Cornhusker Ordnance Plant (Ovina, NE); USA 7249; ARR 7249, 1974; CCPR 007, 1983; EPTC (SamTrak) 4501, 1994; OPR 4501, 1997; POTB 4501, 2008 | 1997 | 2008 | |
| 5100 | GE | 70-ton | 3/1949 | 30034 | | SP 5100; Weyerhaeuser (Sutherlin, OR) 5100; EPTC 5100, 1989; OPR 5100, 1997 | 1997 | - | stored out of service |
