Ending today, Sears offers the Craftsman 190cc 4-N-1 Gas-Powered Yard Vacuum System, model no. 77013, for $617.49. Coupon code "LAWN20" cuts it to $597.49. With free shipping, that's $163 off list and the lowest total price we've seen. It features a Briggs & Stratton 190cc 6.75 torque engine, 24" vacuum nozzle, and on-board vacuum hose.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.