DB Class 110

Deutsche Bundesbahn Baureihe E 10
110 451-2 with a Regionalexpress at Hannover Hauptbahnhof, 2003-03-18
Type and origin Power type Electric Builder Krupp, Henschel, Krauss-Maffei (mechanical parts) Siemens, AEG, BBC (electrical parts) Build date 1956–1969 Total produced 416 (5 E10.0 (pre-series); 379 E10; 31 E10.12; 1 conversion from series 139)
Specifications Configuration: ​  • UIC Bo'Bo' Gauge 1,435 mm (4 ft 8 1⁄2 in) standard gauge Length 16.49 m (54 ft 1 in) Loco weight 85 tonnes (84 long tons; 94 short tons) Electric system/s 15 kV  16 2⁄3 Hz AC Catenary Current pickup(s) Pantograph Traction motors Four Loco brake K-GP mZ, electric brakes Train brakes Air Safety systems Sifa, PZB
Performance figures Maximum speed series 110: 150 km/h (93 mph) (later 140 km/h (87 mph)) series 113: 160 km/h (99 mph) (sometimes 120 km/h (75 mph)) series 114: 160 km/h (99 mph) (later 120 km/h (75 mph)) Power output 3,700 kW (5,000 hp) Tractive effort 275 kN (62,000 lbf)
Career Operators Deutsche Bundesbahn Deutsche Bahn AG Class Baureihe E10 (110 from 1968) Baureihe E10.12 (112 from 1968) Retired Commenced in 2000 (mainly series 110.1, and 110.3 that were unable to be used in push/pull service)

Krupp, Henschel, Krauss-Maffei (mechanical parts)

The class E 10 is an electric locomotive of the Deutsche Bundesbahn, introduced in 1952. It belongs to the Einheits-Elektrolokomotiven (standardised electric locomotives) program and was built for express passenger service. In 1968 the series was redesignated as class 110 (E10) and class 112 (E10.12). In 1988 the last series of class 112 locomotives were designated as class 114, and in 1991 the remaining locomotives of class 112 were designated as class 113. In 2006 38 locomotives were designated as class 115.

In 1950, the Deutsche Bundesbahn decided to develop two base types of electric locomotives with largely standardised components: A twelve-wheel (UIC: Co'Co') freight train locomotive as successor for the Class E 94, and an eight-wheel (UIC: Bo'Bo') general purpose electric locomotive as successor for the Class E 44. As a new feature the engineers should be able to be seated, whereas formerly they had to stand in order to boost their attentiveness.

This multi-purpose locomotive received the working title E 46, but was then renamed to Class E 10, once the required maximum speed was increased from 125 to 130 km/h (78 to 81 mph), which formally made this model an express train locomotive. The trial program, which consisted of 5 prototypes of class E 10.0, resulted in the realization that a single uniform type of electric locomotive was not sufficient to cover all needs. The modified program then included a local passenger train locomotive (class E 41); an express train locomotive (class E 10), which could be changed into a freight train locomotive (Class E 40) with a gear ratio change, and a heavy six-axle freight train locomotive (class E 50). In addition plans for a high speed electric locomotive Class E 01 were made, but quickly cancelled, as, due to low maximum speeds on the main lines at that time, the class E 10 was seen as sufficient for express trains.

The five prototypes of class E 10.0 were taken out of service between 1975 and 1978. Of these E 10 003 and E 10 005 were preserved as museum locomotives.

The first serial units went into service in 1956 and started with number E 10 101 (class E 10.1). As opposed to class E 40 these units were equipped with a rheostatic/regenerative brake, which also accounted for the difference in the roof design between the two classes. Starting in December 1956 a total of 379 locomotives in several series were delivered by the manufacturers (Krupp, Henschel, Krauss-Maffei (mechanical parts); Siemens, AEG, BBC (electrical parts). Starting with E 10 288 the new body used with E 10.12 (see below), the so-called "crease" (Bügelfalte) type, was also applied to all regular E 10 machines. Thereafter these locomotives were sometimes designated as class E 10.3. One locomotive (designated 750 001) served as a service locomotive for the Central Office of the German Federal Railways in Minden (BZA Minden, or Bahnzentralamt) from 1989 to 1996. The earlier units up to E10 287 became E10.1, then 110.1 in 1968; they were nicknamed "Kasten", for box.