Carlton 2500-4 Stump Grinder, 469 Hours on Machine, 20 Hours on New Engine 469 Hours on Machine, 20 Hours on New Engine Sales Tax: 5% Buyers Premium (Scale based on winning bid amount): $0.00 to $50,000.00 = 5% $50,000.00 to $999,999,999.00 = 2.5% Bid Increment: $50.00