ALCo Diesel Locomotive Specification and Model Numbers

---- Road Switchers and Transfer Units [under 1500hp] ----

Spec #         Model #                           Notes

------         ------- ---------------------------------------------------------------

E1600          RS1     Pre-production design; superseded by E1610.

E1610          RS1     Pre-production design; superseded by E1620.

E1620          RS1     Pre-production design; superseded by E1630.

E1630          RS1     Pre-production design; superseded by E1640.

E1640          RS1     Initial RS1 production only.

E1641          RS1

E1641A         RS1

E1642          RSC1

E1645          RSD1    US Military Railway Service (Iran/Europe).

E1646          RSD1    Lend-Lease/Russia (none used in MRS service).

E1647          RSD1    "Civilian" RSD1s for Mexico and Brazil.

E1648          RSD1B   Proposed cabless RS1 booster.

E1650          None    Experimental 241-powered RS1 built on Works Order S1895;

                       conceptual predecessor of post-war RS2/RS3 series.

E1651          RSC1    Proposed A1A-A1A version of E1650; conceptual predecessor

                       of post-war RSC2/RSC3/RSD4/RSD5 series.



DL800          RS13    MLW only. Bo-Bo version of RSC13; none built.

DL800          RSC13   MLW only.

DL810          RS21    MLW only.

DL811          RS23    MLW only.

DL811          RSC23   MLW only. A1A version of RS23; none built.

DL814          RS24    MLW only. Bo-Bo version of RSC24; none built.

DL814          RSC24

DL818          RS28    MLW only.

DL831          RS19    MLW only.



DL440          T6

Updated: 12 April 96

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