To find the exact towing capacity for *your* specific 2001 Chevy Suburban 2500, you should:
* Check the sticker inside the driver's side doorjamb. This sticker will list the vehicle's GVWR (Gross Vehicle Weight Rating), payload capacity, and often the towing capacity.
* Consult your owner's manual. The owner's manual provides detailed specifications, including towing capacity based on engine and options.
Without knowing the exact engine and configuration of your Suburban, I cannot provide a definitive answer.