What is the antifreeze coolant capacity for 1997 Chevrolet C3500 truck?

The antifreeze coolant capacity for a 1997 Chevrolet C3500 truck is approximately 10 to 12 quarts (or about 2.5 to 3 gallons) depending on the specific engine configuration. It's always best to consult the owner's manual or a service guide for the exact specifications related to your particular vehicle.