This roster represents the various classes of steam locomotives owned by the Oliver. Many of the classes were acquired or retired over time. In this table, the first year acquired, and last year retired are shown for each class. If a photo of the class exists, a link is listed in the "PHOTO?" column. All photos are from the MRHS collection or are used with permission of the owner.

Class	Numbers	Wheels	Acquired	Retired	Builder	Photo
		0-4-0
		0-4-0T
	94	0-6-0				Yes
50B		0-6-0			Baldwin
100AM		0-6-0			American
100B		0-6-0			Baldwin
100L		0-6-0			Lima
300B		0-6-0			Baldwin
400	400-402	0-8-0	1905		Rogers
500	513-518	0-8-0	1919		American
500	520-523, 528	0-8-0	1919		American
600	600-811	0-8-0	1923		American
700	700-709	0-8-0	1927		Lima
800	800-803	0-8-0	1927		Baldwin
800	804-806	0-8-0	1927		Baldwin
A	143	0-6-0				Yes