To find the exact towing capacity for *your* specific 1999 Chevy Suburban 2500, you need to:
1. Check the sticker on the driver's side doorjamb. This sticker lists the vehicle's specifications, including its GVWR (Gross Vehicle Weight Rating) and often the towing capacity.
2. Consult your owner's manual. This will give you the most accurate and detailed information for your specific vehicle configuration.
Without knowing your specific Suburban 2500's configuration, I cannot provide a definitive towing capacity. However, expect it to be in the range of 7,000 to 10,000 pounds, depending on the factors mentioned above. The higher end of that range would typically be for a Suburban with the max-tow package and the appropriate engine (likely the 7.4L V8).