Uhh... I highly doubt this little thing would deal with five cars effortlessly, if at all. And yeah, I know, it's just a model, but it would be better to show it according to the prototype - like switching locomotives around a depot.
Search to ASF Akkulok on youtube. You will find a video where a real ASF pull a BR130 then an E44. The weight of E44 around weight of five cars. So I think the ASF coult shunt five empty cars.
Und hier das Orginal (ASF 1 RAW Dresden im BW Dresden Altstadt): bahnbilder.de/name/einzelbild/number/236290/kategorie/Deutschland~Sonstiges~Akkuschleppfahrzeuge.html
