WP GP20 Locos:
This page is dedicated to the WP's fleet of GP20 units. The WP was the original owner of 11 GP20 units, all originally equipped with high short hoods and large headlights.
Original orders:
| Orig. road numbers | model | EMD serial no. | build date | notes |
| WP 2001-2006 | GP20 | 25623-25628 | 11/1959 | high hood |
| WP 2007-2010 | GP20 | 26041-26044 | 7/1960 | high hood |
GP20: WP 2001 25623 11/1959 WP 2002 25624 11/1959 WP 2003 25625 11/1959 WP 2004 25626 11/1959 WP 2005 25627 11/1959 WP 2006 25628 11/1959 WP 2007 26041 7/1960 WP 2008 26042 7/1960 WP 2009 26043 7/1960 WP 2010 26044 7/1960