It was subsequently retained by the CB&Q and used as a source of spare parts before being acquired by Richard Jensen.

4963 to be restored to run again before it was sold to a scrapyard during legal disputes between Jensen and the Chicago and Western Indiana Railroad.

[2][3] The O-1A's were designed with radially stayed fireboxes and feedwater heaters, and their boiler pressure was upgraded to 200 psi (1,379 kPa), resulting in their ability to produce 58,090 lbf (258 kN) of tractive effort.

4963, were reassigned to switch and pull hopper cars of coal within the Beardstown Division in Southern Illinois.

4963 received a major overhaul inside the CB&Q's roundhouse in Galesburg, and it was subsequently loaned to the Missouri-based Bevier and Southern Railroad (BVS) to operate alongside fellow O-1A No.

4963 was removed from service on the BVS, when the CB&Q loaned an EMD NW2 to the railroad, and the O-1A was returned to Galesburg, two years later.

5632, and his large collection of locomotive parts and tools off the property; it involved making plans to relocate them to either the Illinois Railway Museum (IRM) or the Chicago, West Pullman and Southern Railroad (CWPS), and he purchased some empty freight cars second-hand to load the parts and tools.

[11][14] By the end of August, Jensen had his locomotives and parts coupled together in one consist for shipment, but they still remained in the 51st street yard.

[11] The C&WI subsequently moved the consist themselves at 5 miles per hour (8.0 km/h) to their 83rd street yard, and Robert Dowdy ordered for all of Jensen’s equipment to be sold off in one sale.

[11][14] The C&WI sent Jensen the $5,800 check, but he later sent it back, and he made many unsuccessful attempts to re-purchase Nos.

4963 and restore it for use in pulling their own excursion trains around the area, but the proposition was declined, and the threat of scrapping returned.

In early 1991, the Illinois Railway Museum reached an agreement with Erman-Howell to trade five Ex-Northwestern Steel and Wire 0-8-0 switchers (Nos.

[9][15] The locomotive was subsequently moved to the IRM’s property in Union, Illinois, where it was cosmetically repainted and put on static display with the rest of the Museum’s collection.