How many ounces of R134a refrigerant does a 2000 Freightliner Classic XL hold?

The 2000 Freightliner Classic XL typically holds around 30 to 35 ounces of R134a refrigerant in its air conditioning system. However, the exact amount can vary based on the specific configuration and whether the system has been modified. It's always best to refer to the vehicle's service manual or check with a professional for precise specifications.