Spec # Model # Notes
------ ------- ---------------------------------------------------------------
DL415 C415
DL721A C420
DL722A C620 never built
M420 M420
M420B M420B Cabless M420 booster.
M420R M420R
M420TR M420TR
M420TR2 M420TR2
E1660 RS2 Preliminary design; superseded in production by E1661
E1661 RS2
E1661 RSC2
E1661A RS2
E1661A RSC2
E1661B RS2
E1661B RSC2
E1661C RS2
E1661C RSC2
E1662 RS3
E1662 RSC3
E1662A RS3
E1662A RSC3
E1662B RS3
E1662B RSC3
E1663 RSD4
E1663A RSD4
E1663B RSD4
E1664 RSD5
E1664A RSD5
E1664B RSD5
E1670 RSX4 Erroneously called MRS1 by some railfan sources. Also
erroneously identified as being ALCo locomotives, when, in
fact, these are GE locomotives built at ALCo-Schenectady
under a production subcontract. They do NOT carry ALCo or
ALCo-GE builder's plates; ALCo construction numbers were
were assigned for internal identification and accounting
purposes only. Not warranted or serviced by ALCo.
DL700 RS10
DL701 RS11
DL710 RS11
DL702 RSD12
DL703 RS14
DL718 RS18
E1671 RSX22 Proposed ALCo follow-on to GE RSX4; none built.
DL701A RS36
DL702 RSD38
DL702E RSD38
DL721 RS32
DL722 RSD33
Updated: 12 April 96 Copyright © 1995-1996, The ALCo Collections All rights reserved.
Back to Index
Back to ALCo World front page
Upload on 31.05.98/modified 18.04.99