My HW 4000kv is geared at 13t, Stock HW SCT settings, 2s 6500 70c and it hauls on a 1/5th scale track. Wish I had some videos of me running with its bigger brother Losi 5ive T, hell I was out running it. lol
Not sure if the tekin 4k could do this, its just something about the HW and its low end grunt which makes it a beast.
Here the track I run on, Glen Helen in So-cal. HUGE track(s).