| Marks/Number | Status and Notes | Builder | Model | Horsepower | When Returned |
| BBCC 108 | Black Beauty Coal, Believed to be on lease | EMD | SW1200 | 1200HP | Current |
| CEFX 100 | lease terminated, returned to leasor | EMD | SD9043MAC | 4300HP | . |
| CEFX 116 | lease terminated, returned to leasor | EMD | SD9043MAC | 4300HP | . |
| CEFX 126 | Short demonstration | EMD | SD9043MAC | 4300HP | . |
| CSXT 380 | 2 week demonstration | GE | AC4400CW | 4400HP | . |
| CSXT 497 | 2 week demonstration | GE | AC4400CW | 4400HP | . |
| CSXT 573 | 2 week demonstration | GE | AC4400CW | 4400HP | . |
| CSXT 4774 | 2 week demonstration | EMD | SD70MAC | 4300HP | . |
| CSXT 7741 | HP Hours repayment | GE | C40-8W | 4000HP | . |
| CR 2211 | Emergency power, returned to Conrail | EMD | GP30 | 2250HP | . |
| CR 2268 | Emergency power, returned to Conrail | EMD | GP35 | 2500HP | . |
| HATX 179 | lease terminated, returned to leasor | EMD | GP38AC | 2000HP | Spring 08 |
| HATX 180 | lease terminated, returned to leasor | EMD | GP38AC | 2000HP | Spring 08 |
| HLCX 901 | lease terminated, returned to leasor | EMD | GP38-3 | 2000HP | June 08
| HLCX 1007 | lease terminated, returned to leasor | EMD | GP38-3 | 2000HP | June 08 |
| HLCX 1122 | lease terminated, returned to leasor | EMD | SW1500 | 1500HP | . |
| HLCX 1126 | lease terminated, returned to leasor | EMD | SW1500 | 1500HP | . |
| HLCX 1129 | lease terminated, returned to leasor | EMD | SW1500 | 1500HP | . |
| HLCX 1515 | Still on lease | EMD | SW1500 | 1500HP | Current |
| HLCX 1516 | Still on lease | EMD | SW1500 | 1500HP | Current |
| HLCX 1522 | lease transfered to new CMO owner | EMD | SW1500 | 1500HP | . |
| HLCX 1523 | lease transfered to new CMO owner | EMD | SW1500 | 1500HP | . |
| HLCX 2031 | lease terminated, returned to leasor | IC Paducah(EMD) | SD20 | 2000hp | . |
| HLCX 3624 | lease terminated, returned to leasor | EMD | GP38 | 2000HP | . |
| HLCX 3628 | lease terminated, returned to leasor | EMD | GP38 | 2000HP | . |
| HLCX 3636 | lease terminated, returned to leasor | EMD | GP38 | 2000HP | July 08 |
| HLCX 3637 | lease terminated, returned to leasor, Was eroniously lettered INRD | EMD | GP-38 | 2000HP | Spring 08 |
| HLCX 3675 | Purchased, and repainted to 32 | EMD | GP38AC | 2000HP | . |
| HLCX 3676 | Purchased, and to reletered to INRD | EMD | GP38AC | 2000HP | . |
| HLCX 3679 | Purchased, and repainted to 30 | EMD | GP38AC | 2000HP | . |
| HLCX 3681 | Purchased, and repainted to 31 | EMD | GP38AC | 2000HP | . |
| HLCX 3683 | Picked up for Lease, Terminated imediately due to condition of unit | EMD | GP38AC | 2000HP | . |
| HLCX 3750 | lease terminated, returned to leasor | EMD | GP40-2 | 2000HP | Spring 07 |
| HLCX 3751 | lease terminated, returned to leasor | EMD | GP40-2 | 2000HP | July 08 |
| HLCX 3818 | Purchased and relettered | EMD | GP38-2 | 2000HP | . |
| HLCX 3822 | Purchased and relettered | EMD | GP38-2 | 2000HP | . |
| HLCX 3826 | Purchased and relettered | EMD | GP38-2 | 2000HP | . |
| HLCX 3829 | Purchased and relettered | EMD | GP38-2 | 2000HP | . |
| HLCX 3830 | Purchased and relettered | EMD | GP38-2 | 2000HP | . |
| HLCX 3838 | Purchased and relettered | EMD | GP38-2 | 2000HP | . |
| HLCX 5006 | lease terminated, returned to leasor | EMD | SD40 | 3000HP | . |
| HLCX 5020 | lease terminated, returned to leasor | EMD | SD40 | 3000HP | . |
| HLCX 5986 | Still on Lease | EMD | SD60 | 3800HP | Current |
| HLCX 5994 | Still on Lease | EMD | SD60 | 3800HP | Current |
| HLCX 6077 | Still on lease | EMD | SD40-3 | 3000HP | Current |
| HLCX 6081 | Still on lease | EMD | SD40-3 | 3000HP | Current |
| HLCX 6083 | Still on lease | EMD | SD40-3 | 3000HP | Current |
| HLCX 6503 | Still on lease | EMD | SD40-3 | 3000HP | Current |
| HLCX 7229 | Purchased, and repainted to 44 | EMD | SD40-2 | 3000HP | . |
| HLCX 7234 | Purchased, and repainted to 42 | EMD | SD40-2 | 3000HP | . |
| HLCX 7235 | Purchased, and repainted to 40 | EMD | SD40-2 | 3000HP | . |
| HLCX 8175 | Purchased, and repainted to 43 | EMD | SD40-2 | 3000HP | . |
| HLCX 8178 | Purchased, and repainted to 41 | EMD | SD40-2 | 3000HP | . |
| HLCX 8181 | Purchased, and repainted to 45 | EMD | SD40-2 | 3000HP | . |
| MRL 251 | Still on lease | EMD | SD40-2XR | 3000HP | Current |
| MRL 261 | Still on lease | EMD | SD40-2XR | 3000HP | Current |
| MRL 265 | Still on lease | EMD | SD40-2XR | 3000HP | Current |
| MRL 324 | Lease terminated, returned to MRL | EMD | SD45-2E | 3200HP | . |
| NREX 2011 | Genset Switcher demonstration | NREC | 3GS21B | 2100HP | . |
| NREX 2034 | lease terminated, returned to leasor | IC Paducah(EMD) | SD20 | 2000HP | . |
| NREX 2037 | lease terminated, returned to leasor | IC Paducah(EMD) | SD20 | 2000HP | . |
| NREX 6060 | lease terminated, returned to leasor | Goodwin AU(EMD) | SD50S | 3500HP | . |
| NREX 6061 | lease terminated, returned to leasor | Goodwin AU(EMD) | SD50S | 3500HP | . |
| NREX 8219 | lease terminated, returned to leasor | IC/Paducah(EMD) | GP10 | 1800HP | . |
| SOO 6015 | Short demonstration | EMD | SD60 | 3800HP | . |
| SOO 6055 | Short demonstration | EMD | SD60 | 3800HP | . |