The Exmark RAS708GEM483C3 48" Radius S-Series Zero-Turn Mower weighs approximately 520 lbs (236 kg). As for the warranty, Exmark offers an industry-leading warranty on their mowers, which typically includes a 3-year or 5-year limited warranty, depending on the model and purchase date. The warranty covers defects in materials and workmanship but does not cover normal wear and tear, improper maintenance, or damage caused by accidents.