Number Sold 

Model

Hp.

Cyl.

Engine

Period Produced

U.S.

Can

Mex

Boxcabs (ALCo.)

60 ton

300

6

IR 10x12

1924-1928

26

-

-

60 ton

300

6

M&S 9.5x10.5

5/31

1

-

-

100 ton

600

12

(2) IR 10x12

1925-1928

7

-

-

Experiment

900

M&S 14x18

1928

1

-

-

Experiment

300

IR 10x12

1928-1936

2

-

-

Experiment

750

IR 14x16

1928-1941

4

-

-

Switchers (ALCo.)

-

300

6

M&S 9.5x10.5

1931-1935

7

-

-

0900

600

6

531

1931

1

-

-

HH600

600

6

531

1931-1939

78

-

-

HH900

900

6

531 Turbo

1937-1939

21

-

-

HH660

660

6

539

1939-1940

43

-

-

HH1000

1000

6

539 Turbo

1939-1940

34

-

-

S-1

660

6

539

4/40-6/50

535

-

5

S-2

1000

6

539

4/40-6/50

1376

103

23

S-3

660

6

539

3/50-11/57

128

164

-

S-4

1000

6

539

8/50-1/61

636

146

15

S-5

800

6

251

6/54

7

-

-

S-6

900

6

251A, B

5/55-12/60

93

-

33

T-6

1000

6

251B

3/58-1/69

55

-

2

Switchers (MLW)

S-7

1000

6

539

6/57-8/57

-

29

-

S-10

660

6

539

1/58-6/58

-

13

-

S-11

660

6

539

6/59-7/59

-

10

-

S-12

1000

6

539 Turbo

5/58-8/58

-

11

-

S-13

1000

6

251C

1/59-7/67

-

56

-

M420TR

2000

12

251C

4/72

-

2

-

M420TR-2

2000

12

251C

7/75

-

-

15

Light Road Switchers (ALCo. & MLW)

RS-1

1000

6

539

3/41-3/60

353

-

64

RSD-1

1000

6

539

11/42-5/46

144

-

6

RSC-13

1000

6

539

6/55-11/57

-

35

-

RS-23

1000

6

251C

8/59-7/66

-

40

-

RSC-24

1400

12

244

4/59-5/59

-

4

-

Road Switchers (ALCo.)

RS-2

1500

12

244

10/46-6/50

335

17

-

RS-2

1600

12

244

2/50-5/50

31

-

-

RS-3

1600

12

244

5/50-8/56

1265

98

7

RSC-2

1500

12

244

10/46-11/49

65

-

-

RSC-2

1600

12

244

3/50-4/50

5

-

-

RSC-3

1600

12

244

11/50-6/52

11

8

-

RSD-4

1600

12

244

3/51-8/52

36

-

-

RSD-5

1600

12

244

3/52-3/56

167

-

37

RS-11

1800

12

251B

2/56-6/64

327

-

99

RS-27

2400

16

251B

12/59-10/62

27

-

-

RS-36

1800

12

251B

2/62-8/63

40

-

-

RS-32

2000

12

251C

6/61-6/62

35

-

-

C-415

1500

8

251F

4/66-12/68

26

-

-

C-420

2000

12

251C

6/63-8/68

129

-

2

C-424

2400

16

251B

4/63-5/67

53

92

45

C-425

2500

16

251C

10/64-12/66

91

-

-

C-430

3000

16

251E

7/66-2/68

16

-

-

C-628

2750

16

251C

12/63-1268

135

-

46

C-630

3000

16

251E

7/65-7/69

77

56

-

C-636

3600

16

251E

12/67-11/68

34

-

-

C-855

5500

32X

251C (2)

6/64

2

-

-

C-855-B

5500

32

251C (2)

6/64

1

-

-

Road Switchers (MLW)

RS-18

1800

12

251B

12/56-6/68

-

351

-

RS-10

1600

12

244

12/54-2/57

-

128

-

M420

2000

12

251C

5/73-277

-

92

-

M420B

2000

12

251C

6/75-7/75

-

8

-

M420R

2000

12

251C

2/74-5/75

5

-

-

HR412

2000

12

251C

9/81-11/81

-

11

-

M630

3000

16

251E

11/69-11/73

-

55

20

M636

3600

16

251E

11/69-4/75

-

95

16

M640

4000

18

251E

2/71

-

1

-

HR616

3600

16

251E

2/82-8/82

-

20

-

Diesel Hydraulic

DH-643

4300

24

251C (2)

9/64

3

-

-

Cab Units (Including Passenger Versions)

Black Maria (A)

1500

12

241

1945

2

-

-

Black Maria (B)

1500

12

241

1945

1

-

-

FA-1

1500

12

244

1/46-10/50

372

36

4

FA-1

1600

12

244

3/50-6/50

20

-

1

FB-1

1500

12

244

1/46-10/50

209

24

-

FA-2, FPA-2

1600

12

244

10/50-6/56

291

58

46

FB-2, FPB-2

1600

12

244

10/50-6/56

164

29

34

FPA-4

1800

12

251B

10/58-5/59

-

36

-

FPB-4

1800

12

251B

10/58-5/59

-

14

-

Passenger Units

GM&N #352, 353 ¹

600

6

539

1935

2

-

-

GM&N #354 ¹

600

6

539

1937

1

-

-

DL-109

2000

12

539 (2)

1/40-4/45

74

-

-

DL-110

2000

12

539 (2)

2/42-8/42

4

-

-

PA-1

2000

16

244

9/46-6/50

170

-

-

PB-1

2000

16

244

9/46-8/49

40

-

-

PA-2

2250

16

244

4/50-8/52

28

-

-

PB-2

2250

16

244

8/50-9/50

2

-

-

PA-3

2250

16

244

4/52-12/53

49

-

-

PB-3

2250

16

244

4/52-6/53

5

-

-

Misc. Locomotives

MRS-1 ² 

1600

12

244

3/53-10/53

83

-

-

DL-535E (RSD-35) ³ 

1200

6

251

5/69, 12/71

10

-

-

DL-535E  (RSD –35W)³

1200

6

251

1982

4

-

-

1. Power cars for the streamlined Rebel Train set.

2.Adjustable-gauge; custom-made for the U.S. Army.

3.Narrow-gauge; built for the White Pass & Yukon Route. Versions built by ALCo., MLW, & Bombardier.