Marklin 39510 Class Be 4/6 Electric Locomotive Testing

From Marklin web site description, Swiss Federal Railways (SBB) class Be 4/6 "Stängelilok" / "Little Sticks Locomotive" electric locomotive. Version as first delivered. Locomotive from the first production series. With older design buffers, cab doors at the ends of the locomotive with walkover plates, with sanding equipment, without an oncoming train light, and without an inductive magnet. Lengthwise cooling lines with 6 vertical mounting brackets. Road number 12305. The locomotive looks as it did in the mid-Twenties.
Completely new tooling for the anniversary "100 Years of Electric Operation on the Gotthard 1920-2020"