Swiss Federal Railways steam locomotives

All dimensions metric: lengths in mm, areas in m², weights in metric tons, pressures in atmospheres.

Class Axle
Arr. Dr.
Dia. Cylinders
Diameter xStroke BP Ad
Wt EW
WO Grate
Area Evap
Surf. Sup.
Surf. Remarks

501 2'C 1780 470x660(3) 12 45 69 2.6 134 38 A3/5

601 2'C 1780 425/630x660 14 47 71 2.8 161 42 A3/5

703 2'C 1780 360/570x660 15 46 65 2.6 166 none Orig. boiler

749 2'C 1780 360/570x660 15 46 65 2.6 158 none Orig. boiler

703-809 2'C 1780 360/570x660 15 48 67 2.6 134 38 21 flues

703-809 2'C 1780 360/570x660 15 48 67 2.6 129 46 24 flues

810 2'C 1780 360/570x660 15 45 64 2.5 177 none Brotan

931 2'C 1610 395/635x640 15 50 80 3.3 255 none Original

931 2'C 1610 395/635x640 15 49 79 3.3 198 39 Reboilered

1301 1'C 1520 540x600 12 47 57 2.3 112 26 B3/4

1431 1'C 1390 450x600 12 33 42 1.7 108 none Ex NOB 171

1446 1'C 1390 450x600 12 33 42 1.5 90 25 Ex NOB 186

1486 1'C 1550 500x660 13 45 52 2.3 113 32 SCB 216

1561 1'C 1520 450(1)/670(1)x650 14 39 47 1.8 121 none JS 205

1564 1'C 1520 450(1)/640(1)x650 14 39 47 1.8 121 none JS 208-22

1676 1'C 1520 500(1)/540x600 14 45 55 2.3 136 none B3/4

1801 2'C 1520 1500hp turbine 14 50 71 2.3 106 38 Ex 1578

2601 1'D 1330 570x640 12 58 68 2.4 144 38 C4/5

2701 1'D 1330 370x600:600x640 14 58 66 2.4 174 none Original

2701 1'D 1330 370x600:600x640 15 60 70 2.4 144 38 Reboilered

2801 1'D 1350 395/635x640 15 62 77 4.1 278 none Original

2801 1'D 1350 395/635x640 15 64 79 4.1 193 42 Reboilered

2901 1'E 1330 470x640(4) 13 75 85 3.7 221 58 Original

2901 1'E 1330 470/690x640 14 75 85 3.7 221 58 Rebuilt

2951 1'E 1330 470/710x640 15 76 86 3.7 211 55 C5/6

2954 1'E 1330 470/690x640 15 77 87 3.7 210 64 C5/6

2959 1'E 1330 470/690x640 15 87 97 3.7 210 64 Ballasted

4001 D 1230 520x630 15 60 60 2.1 125 33 Ex G-B 141

5595 2'Bt 1530 420(1)/620(1)x620 12 33 55 1.6 103 none SCB 141

5801 1'C1't 1520 520x600 12 48 75 2.3 119 34 Eb3/5

Wintherthur 1'C1't 1520 215x350(3) 60 48 75 1.3 97 20 2½:1 gearing

6501 1'Ct 1330 420x650 12 45 54 1.7 81 30 Ex JS 601

6513 1'Ct 1330 420x650 12 44 52 1.7 108 none Ec3/4

6601 1'C1't 1330 420x650 12 40 61 1.7 81 30 Ex 6513

8451 Ct 1040 360x500 12 34 34 1.2 57 none E3/3

8521 Ct 1040 360x500 12 42 42 1.2 57 960kW el. heater

8661 Ct 910 350x530 11 28 28 1.0 62 none Ex NOB 451

8801 Dt 1220 470x600 13 56 56 1.5 83 40 E4/4

8901 Dt 1330 570x640 12 68 68 1.7 78 29 Ex 2601

Class	Axle Arr.	Dr. Dia.	Cylinders Diameter xStroke	BP	Ad Wt	EW WO	Grate Area	Evap Surf.	Sup. Surf.	Remarks
501	2'C	1780	470x660(3)	12	45	69	2.6	134	38	A3/5
601	2'C	1780	425/630x660	14	47	71	2.8	161	42	A3/5
703	2'C	1780	360/570x660	15	46	65	2.6	166	none	Orig. boiler
749	2'C	1780	360/570x660	15	46	65	2.6	158	none	Orig. boiler
703-809	2'C	1780	360/570x660	15	48	67	2.6	134	38	21 flues
703-809	2'C	1780	360/570x660	15	48	67	2.6	129	46	24 flues
810	2'C	1780	360/570x660	15	45	64	2.5	177	none	Brotan
931	2'C	1610	395/635x640	15	50	80	3.3	255	none	Original
931	2'C	1610	395/635x640	15	49	79	3.3	198	39	Reboilered
1301	1'C	1520	540x600	12	47	57	2.3	112	26	B3/4
1431	1'C	1390	450x600	12	33	42	1.7	108	none	Ex NOB 171
1446	1'C	1390	450x600	12	33	42	1.5	90	25	Ex NOB 186
1486	1'C	1550	500x660	13	45	52	2.3	113	32	SCB 216
1561	1'C	1520	450(1)/670(1)x650	14	39	47	1.8	121	none	JS 205
1564	1'C	1520	450(1)/640(1)x650	14	39	47	1.8	121	none	JS 208-22
1676	1'C	1520	500(1)/540x600	14	45	55	2.3	136	none	B3/4
1801	2'C	1520	1500hp turbine	14	50	71	2.3	106	38	Ex 1578
2601	1'D	1330	570x640	12	58	68	2.4	144	38	C4/5
2701	1'D	1330	370x600:600x640	14	58	66	2.4	174	none	Original
2701	1'D	1330	370x600:600x640	15	60	70	2.4	144	38	Reboilered
2801	1'D	1350	395/635x640	15	62	77	4.1	278	none	Original
2801	1'D	1350	395/635x640	15	64	79	4.1	193	42	Reboilered
2901	1'E	1330	470x640(4)	13	75	85	3.7	221	58	Original
2901	1'E	1330	470/690x640	14	75	85	3.7	221	58	Rebuilt
2951	1'E	1330	470/710x640	15	76	86	3.7	211	55	C5/6
2954	1'E	1330	470/690x640	15	77	87	3.7	210	64	C5/6
2959	1'E	1330	470/690x640	15	87	97	3.7	210	64	Ballasted
4001	D	1230	520x630	15	60	60	2.1	125	33	Ex G-B 141
5595	2'Bt	1530	420(1)/620(1)x620	12	33	55	1.6	103	none	SCB 141
5801	1'C1't	1520	520x600	12	48	75	2.3	119	34	Eb3/5
Wintherthur	1'C1't	1520	215x350(3)	60	48	75	1.3	97	20	2½:1 gearing
6501	1'Ct	1330	420x650	12	45	54	1.7	81	30	Ex JS 601
6513	1'Ct	1330	420x650	12	44	52	1.7	108	none	Ec3/4
6601	1'C1't	1330	420x650	12	40	61	1.7	81	30	Ex 6513
8451	Ct	1040	360x500	12	34	34	1.2	57	none	E3/3
8521	Ct	1040	360x500	12	42	42	1.2	57	960kW el. heater
8661	Ct	910	350x530	11	28	28	1.0	62	none	Ex NOB 451
8801	Dt	1220	470x600	13	56	56	1.5	83	40	E4/4
8901	Dt	1330	570x640	12	68	68	1.7	78	29	Ex 2601