Original sentence: The main differences were the Rudderows had two 5-inch guns and two twin-40 mm mounts, instead of the three 3-inch guns and one twin-40 mm or one quad-1.1 inch mount of the Buckleys
Edited sentence: The main differences were the Rudderows had two 5-inch guns and two twin-40 mm mounts, instead of the three 3-inch guns and one twin-40 mm or one quad-1.1 inch mount of the Buckleys