Royal Generation 3 Plus Coke machines with chain drives are prone to chain breakage in cold weather, requiring replacement approximately every 3-4 years at a cost of $150.
"My Coke machine. The Royal Generation 3 Plus, the ones that have chain drives and not gear drives, the chains will break when it gets super cold. You'll go through a chain every 3 or 4 years. They're about $150."