Hi there Milwaukee Road 113 !
To take the E17, E18, E19 first:
IIn H0 I have got one E17 DRG from Roco and 1 E117 from Trix.
1 E18 in oceanblau/begie, 1 green E18 from Roco
1 E19 in maroon and one E19 in dark ble from Fleischmann.
This is also one of my European favorite locos, with all 1'Do1' wheel arrangement.
Back to the E18 - which actually had a Norwegian sister, the EL8.
Norway had 16 of these which was manufactured between 1940-1949.
One of them in the old green color is preserved i the city of Hamar
on the state railway museum. That's the 8.2060 in the picture. It had also 1'Do1' wheel arrangement.
The rest of the locos was scrapped in 1988.
When a was a young boy, I could see them here at my small home town, first in the
green version, later in the somewhat red version. Mostly for passenger trains, but later
in its day also in local freight trains.
It had a 2828 hps max speed on 110 km/t = 68 mph.
It was later reduced to 100 = 62 mph. It was clear, that with the many curves on
the Norwegian system, this loco was known to "eat track".
The EL 8 was followed by the general usable EL11 Bo-Bo loco based on the Swiss Ae 4/4 1st verson.
It had 2200 hps and a top speed on 62 mph and was an excellent rider on curvy track, 41 was built.
The EL13 was the follower to EL11. It had also Bo-Bo but was bigger and heavier and had more horsepower - 3600 hp.
The loco was built from 1957 until 1966 and 37 was built. I also had a reputation to be a little rough
on the track, unlike the EL11. The weight of EL13 was 72 tons.
8 of these locos was for a time rented out to Ofotbanen sas shown i your picture.
Thats is some background info for you
All the best from John