ALCO HH600 & HH660

8ft wheelbase trucks at 20ft 2in centres.

Maine Central

The first diesels purchased by the Maine Central at a cost of $62,250 each. They were originally assigned one to Waterville and another to Bangor and on occasions to Rumford. 951 saw service on branch locals to Skowhegan and Bingham.

No.ClassBuiltSerialLiveryNotesPhotographs
951HH660Sep 193969087Maine Central Switcher black with red stripes.Stored at Waterville 1963. Scrapped Mar 1967RRPA
952HH660Sep 193969088 Scrapped Feb 1968

Portland Terminal

ALCO HH-600 switcher No. 1003 at Rigby Yard, Portland, Maine in July 1946. Photographer unknown. © David Hutchinson Collection
Portland Terminal HH600 1003 in dead storage at Maine Central’s Waterville Yard, Maine, on 7 February 1970. © Roger Puta
Portland Terminal 1003, an ALCO HH600 built in August 1936, at Waterville, Maine, on 19 August 1970. The Portland Terminal was jointly owned by the Boston & Maine and Maine Central railroads and operated Rigby Yard, Portland-area industrial trackage, and Union Station. © Marty Bernard
No. ClassBuiltSerialLiveryNotesPhotographs
1001HH600Sep 193668730Scrapped 1961
1002HH600Sep 193668731Black with Red Stripes until at least Sep 1965.Scrapped 1967RRPA
1003HH600Sep 193668732Black with Red Stripes until at least Aug 1967. Yellow nose over Red Stripes by Aug 1969.Scrapped 1969RRPA
1004HH600Jul 193869071Black with Red Stripes until at least Aug 1967. Yellow nose over Red Stripes by Aug 1969.Scrapped 1973RRPA

More Information

  • Marre, Louis. Diesel Locomotives: The First 50 Years – A Guide To Diesels Built Before 1972 (Railroad Reference Series No. 10). Kalmbach Books, 1995, pp. 62-63.
  • Melvin, George F. Maine Central in Color Volume 3. Morning Sun Books, 2008, pp.8,14,17.
  • Robertson, Edwin B. Maine Central Diesel Locomotives. Edwin B Roberston, 1978, pp. 74-76,81-82.