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Lokomotive EU07
Already in the 1950 years the PKP
was evaluating the acquisition with
an universal multi purpose electro
locomotive. The post war aftermath
did not allow a full polish develop-
ment yet. In fact Upper Silesia still
had electrified routes with capable
workshops, but no production facility
for electro locomotives. In conse-
quence the first series of locos was
ordered by the former AEG-Werk
Henningsdorf close to Berlin (located
in the former GDR). However already
during the production of the EU04
class locomotive it became foresee-
able that due to limited production
capacity the PKP had to look for alter-
natives. Those were finally found
in the United Kingdom.
On basis of the existing Class 83
English Electric developed the E279,
known as class EU06. In 1962 the first
locomotives were delivered to the
PKP. The loco had 2000 KW power
with a maximum speed of 125 km/h.
Part of the project, as common in
countries of the RGW, was the lice-
ned manufacturing in at the Pafawag
factories in Wroclaw. From 1965 on-
wards under the factory identification
Type 4E with minor changes the lo-
comotives EU07 had been build. The
roof rail embraced the entire loco
body. Until 1974 the PKP has received
240 locos of that type. For express
trains from and to Warsaw since 1972
the EP08 has been build. These locos
could be identified very easy as ex-
press locomotives due to their distin-
guished orange painting.
In 1983 the production of the class
EU07 was restarted after the deri-
ved twin-loco ET41 has been pro-
duced in the meantime. Eventually
the PKP required due to retirement
of the steam traction and further
electrified routes additional locos.
As Pafawag in Wroclaw was busy
with production of the ET22 Cegiel-
ski in Poznań changed production
from ET41 to EU07. This resulted in
significant changes of the loco's ap-
pearance within the 2nd production
series. In comparison to the type 4E
the substantial appearing bulky front
end of the ET41 has been adopted.
The locomotive gained in length from
15.915mm to 16.235mm. The loco
body has undergone construction
changes resulting in a ribbed surface.
On both sides one ventilation grid has
been removed, which was replaced
by a smooth surface on the numbers
EU07-301 to EU07-399, where on the
locos starting from EU07-400 this
part of the engine housing received
also additional ribs.
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