Complex sentence: Some replaced the aft unit with a Renault engine of 220 hp (164 kW), and various airships were deployed with a 100 hp (74 kW) Berliet engine in the front position.
Split into simpler sentences: Some replaced the aft unit with a Renault engine of 220 horsepower (164 kW). Various airships were deployed with a 100 horsepower (74 kW) Berliet engine in the front position.