Frichs A.S. diesel engine
It gives sense if you mean 6165CV.
Please see page 7, second item from top in this document: https://www.ekeving.se/div/rm/Frichs_dieselfordon_1936.pdf
4 pcs 6-cylinder diesel engines bore 165 will have 880 HP. Frichs usually included 10% overload in those days.
Best regards
Anders Færch Hansen