typicall cost of a motor-grader
New Motor Grader Average Costs. Motor graders range in price from about $60,000 to $500,000. That may seem like a wide range, but there are many different sizes and types of motor graders on the market.1  Full-size motor graders start at about $200,000. Full-size motor graders start at about $200,000. 2  Most 130 hp to 180 hp machines fall in the $200,000 to $300,000 range. 3  Machines with 250 hp or more can run as much as $500,000, but they're not as common as mid-range machines.