AZL EMD GP7 - HAmobahn

EMD GP7

RailPictures.Net - Image Copyright Joe Blackwell

The EMD GP7 (GP: General Duty) is a four-axle (B-B) road switcher diesel-electric locomotive built by General Motors Electro-Motive Division and General Motors Diesel between October 1949 and May 1954. Power was provided by an EMD 567B 16-cylinder engine which generated 1,500 horsepower (1,119 kW).

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AZL EMD GP7

The AZL EMD GP9 comes with two pilots for prototypical appearance. The lead engine of the three engines gets the pilot. The coupler of the front truck is removed and the pilot installed. This is best done after the shell has been removed.

Removing the shell

AZL Shell Remove - GP7 and SD70 Locomotive Series (PDF)

In the case of one of the three engine the shell was to tight. Therefore, the two tank halves were removed. Be careful not to damage the hinges, they are are not flexible.

Replacing the LED's

The yellow LEDs were replaced by sunny white (warmweiss) LEDs which give a more natural light.

Digitalizing

The GP7 was digitalized with the TCS Z2 decoder.

above: original board with original LED
below: TCS decoder and sunny white LED