Complex sentence: In later years they were painted black, had their side skirting removed for easier maintenance, and were reassigned to the San Jose-San Francisco commute trains, freight service, and made occasional appearances on the "San Joaquin Daylight".
Split into simpler sentences: In later years they were painted black and had their side skirting removed for easier maintenance. The locomotives were then reassigned to the San Jose-San Francisco commute trains, freight service, and made occasional appearances on the "San Joaquin Daylight".