EMD GP18, Standard DC, Northern Pacific #384 (HO Scale)Details: The EMD GP18 began production in late 1959 and was based on the builder's extraordinarily successful GP9, although the latter model was still in production at the time. The GP18 is considered the last of the builder's first generation models. Similar in appearance to the GP7 and GP9, the GP18 was slightly more powerful and came with the option of a low or high short cab hood, something that had only been upon special request with EMD's first