FS Class E.326

FS class E.326

Type and origin
Power type	Electric
Build date	1930-1933

Specifications
UIC class	2-Co-2
Gauge	1,435 mm (4 ft 8 ¹⁄₂ in) standard gauge
Wheel diameter	2.050 m (80.71 in) (driving wheels)
Wheelbase	5 m (16 ft 5 in) between outer axles
Length	16.300 m (53 ft 6 in) Units 1 and 2 were 16 m (52 ft 6 in) long
Loco weight	114.4 tonnes (112.6 long tons; 126.1 short tons)
Electric system(s)	3000 V DC Catenary
Current collection	Pantograph
Traction motors	DC series
Transmission	29/103 gear ratio

Performance figures
Maximum speed	140 km/h (87 mph), later limited to 90 km/h (56 mph)
Power output	2,100 kW (2,800 hp)

Career
Operators	FS Trenitalia
Number in class	12
First run	1930
Disposition	Decommissioned around 1983

The FS E.326 was a class of Italian railways electric locomotives. Designed in 1929, they were introduced in the early 1930s, for hauling passenger trains at relatively high speed.

History

The E.326 was part of family of locomotives designed in the 1920s and in 1930s for Italy's state railroad, which, through the use of a great number of standardized components, granted a short repair time of the frequent breakdowns. These included the E.428, designed for high mass trains, the E.626, for multipurpose roles, and the E.326, a smaller locomotive to be used for hauling lighter passenger trains.

During the tests the locomotives, having a nominal maximum output of 2,100 kW (2,800 hp), reached a top speed of 140 km/h (87 mph). This was obtained through the use of large traction wheels, inspired to those of the contemporary steam engines, and an extra-long gear ratio of 29/103. The choice of the 2-Co-2 wheel arrangement, having a 3-axle central rigid bogie with four trailing axles, caused reliability problems and caused in 1936 the reduction of the maximum speed allowed to 105 km/h (65 mph)).

In the course of World War II, all the 12 units produced were damaged by Allied bombings. They were repaired in the Foligno workshop (except with the 006, repaired at Bologna), and returned into service in 1949 with light modifications, including a new brown color scheme.

The maximum speed was further reduced to 90 km/h (56 mph) in the 1960s. The E.326s were retired from service starting in the 1970s, and demolished. Today only one unit survives, (E.326.004), preserved in the National Railroad Museum of Pietrarsa, near Naples.

References

Mascherpa, Erminio (1993). Locomotive da corsa: storia del Gruppo E.326. Salò: Editrice Trasporti su Rotaie. ISBN 88-85068-06-5.
Pocaterra, Renzo (2003). Treni. Novara: Istituto Geografico De Agostini.

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Classes of Ferrovie dello Stato locomotives

Steam

Tender locomotives	100 102 103 110^I 110^II 111 112 113 114 116 117 118 119^I 119^II 120 121 122 136 139 140 150 155 158 160 161 162 163 164 170 180 181^I 181^II 182^I 182^II 183 185 186 187 190 193 194 195 196 197 198 200 201 206 207 208 209 211 212 215 216 217 218 219 220 221 222 223 224 255 260 261 262 265 268 269 270 271 272 290 291 292 293 310 320 380 385 388 390 391 394 395 396 397 400 410 420 421 422 423 424 425 450 451 452 453 454 455 460 470 471 472 473 474 475 476 477 478 479 480 482 499^I 499^II 500 510 512 513 530 540^I 540^II 542 543 545 550 552 553 554 555 556 560 600 601 603 604 605 606 607 623 625 626 630 640^I 640^II 645 650 652 653 656 660 666 670 671 672 675 676 677 680 681 682 683^I 683^II 685 686 687 688 690^I 690^II 691 720 728 729 730 731 735 736 737 740 741^I 741^II 743^I 743^II 744 745 746 747^I 747^II 750

Tank locomotives	800^I 800^II 801 802^I 802^II 803^I 803^II 804 805 806 809 810^I 810^II 811 812 813 814 815^I 815^II 815^III 816 817 818 819 820^I 820^II 821^I 821^II 822 823 824 825 826^I 826^II 827 828^I 828^II 828^III 829 830^I 830^II 831 835 842 848 849 850^I 850^II 851 870 871 874^I 874^II 875 876 877 880^I 880^II 881 882 885 893 894 895 896^I 896^II 897 898 899^I 899^II 900 902 904 905 906 910 912 915 940 950 980 981 999

Narrow gauge locomotives	R.201 R.202 R.300 R.301 R.302 R.305 R.306 R.310 R.370 R.401 R.402 R.410 R.440 R.441 R.442 R.443 R.600 P U

Electric

Rechargeable battery	E.421

650 V DC Third rail	E.220 E.320 E.321 E.420 E.620

3,6 kV AC Three-Phase	E.330 E.331 E.332 E.333 E.360 E.380 E.390 E.430 E.431 E.432 E.550 E.551 E.552 E.554

10,6 kV AC Three-Phase	E.470 E.471 E.472 E.570

3 kV DC	E.321 E.322 E.323 E.324 E.326 E.400 E.402A E.402B E.403 E.404 E.405 E.412 E.414 E.424 E.428 E.434 E.444 E.444R E.447 E.453 E.454 E.464 E.621 E.625 E.626 E.632 E.633 E.636 E.645 E.646 E.652 E.655 E.656

25 kV AC	E.491 E.492

Diesel

Light shunters	206 207 208^I 208^II 209 210 211 R.212 213^I 213^II 214 215 216 218^I

Shunters	218^II 225 234 235 236 245 250 255

Heavy shunters	Ne 120 D.141 RD.142 D.143 D.145 D.146 D.147 356 372 Ne 700

Train locomotives	D.341 D.342 D.343 D.345 D.442 D.443 D.445 D.449 D.461

see also Category:Rolling stock of Italy

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