3,600 Horsepower -- Built in 1980 by EMD - LaGrange, Illinois
Existing Roster
| 5050 | 5052 | 5053 | 5054 | 5055 | 5056 | 5057 | 5058 | 5059 | |
| 5060 | 5061 | 5062 | 5063 | 5064 | 5065 | 5066 | 5067 | 5068 | 5069 |
| 5070 | 5071 | 5072 | 5073 | 5074 | 5075 | 5076 | 5077 | 5078 | 5079 |
| 5080 | 5081 | 5082 | 5083 | 5084 | 5085 | 5086 | 5087 | 5088 | 5089 |
| 5090 | 5091 | 5092 | 5093 | 5094 | 5095 | 5097 | 5098 | 5099 |
Union Pacific's GP50 Renumbering Plan
| CNW No. | 1st UP No. | 2nd UP No. | 3rd UP No. | CNW No. | 1st UP No. | 2nd UP No. | 3rd UP No. | |
| 5050 | 5510 | 1610 | 5075 | 5529 | 1629 | |||
| 5052 | 901 | 1611 | 5076 | 5551 | 1651 | |||
| 5053 | 902 | 5512 | 1612 | 5077 | 5552 | 1652 | ||
| 5054 | 5513 | 1613 | 5078 | 5530 | ||||
| 5055 | 904 | 5514 | 1614 | 5079 | 921 | 5531 | 1631 | |
| 5056 | 933 | 5542 | 1642 | 5080 | 923 | 5532 | 1632 | |
| 5057 | 5543 | 1644 | 5081 | 5544 | 1644 | |||
| 5058 | 905 | 5515 | 1615 | 5082 | 5545 | 1645 | ||
| 5059 | 5516 | 1616 | 5083 | 5546 | 1646 | |||
| 5060 | 5517 | 1617 | 5084 | 5533 | 1633 | |||
| 5061 | 5518 | 1618 | 5085 | 5534 | 1634 | |||
| 5062 | 909 | 5519 | 1619 | 5086 | 5535 | 1635 | ||
| 5063 | 5520 | 1620 | 5087 | 5553 | 1653 | |||
| 5064 | 5521 | 1621 | 5088 | 5554 | 1654 | |||
| 5065 | 5522 | 1622 | 5089 | 5547 | 1647 | |||
| 5066 | 939 | 5548 | 1648 | 5090 | 927 | 5536 | 1636 | |
| 5067 | 913 | 1623 | 5091 | 5555 | 1655 | |||
| 5068 | 5524 | 1624 | 5092 | 5537 | 1637 | |||
| 5069 | 5549 | 1649 | 5093 | 5538 | 1638 | |||
| 5070 | 5525 | 1625 | 5094 | 930 | 5539 | 1639 | ||
| 5071 | 5550 | 1650 | 5095 | 931 | 5540 | 1640 | ||
| 5072 | 916 | 5526 | 1626 | 5097 | 5556 | 1656 | ||
| 5073 | 917 | 5527 | 1627 | 5098 | 5541 | 1641 | ||
| 5074 | 5528 | 1628 | 5099 | 5557 | 1657 |