Polish Forces

Bofors 37 mm anti tank canon.

https://www.google.com.au/search?q=zdjecia+wojska+polskiego+1939&biw=1440&bih=775&tbm=isch&imgil=b4d4TuTNuXBLdM%253A%253BWmmoMpMuc3MTBM%253Bhttp%25253A%25252F%25252Fwww.1939.pl%25252Fuzbrojenie%25252Fpolskie%25252Fartyleria%25252Fa_ppanc_37mm%25252F

The team of 6 would be better with something motorised and authomatic.