Depends: New or used? How worn are they? Are they for a 1H-8R-2U-13A or 14A-15A? Anyway, I'd guess 4,000 to 4,500 lbs.
39 link rails 1746 lbs. ea. 42 link rails 1880 lbs. ea. 22 " pads 46 # ea. 24 " pads 50 # ea.