The Dixie Narco VCFA Condenser Fan Assembly is a great replacement to fix your condenser fan problems. If your soda machine has cooling problems, this four blade fan assembly might be the answer to your problems. This unit fits 407, 511, 540 and 601 soda machines. You can also have this Condenser Fan Assembly as a spare part on your existing soda machine. You'll never go wrong with this easy to install fan Assembly.