The Caterpillar 815B is a heavy-duty motor grader powered by a Caterpillar 3306 diesel engine delivering 216 gross horsepower and 640.8 cubic inches of displacement. This versatile machine features a 12.4-foot-wide blade with a 338.6-inch height capacity, making it ideal for road construction, maintenance, and land grading applications. The equipment measures approximately 22.3 feet in length with the blade on the ground, 10.7 feet in width over wheels, and 11.6 feet in height to the top of cab, providing stable operation on jobsites. With an operating weight of 44,169.7 pounds and a 122.1-gallon fuel capacity, the 815B delivers substantial productivity for extended work periods. The transmission system includes four forward and four reverse gears, enabling precise maneuverability in confined spaces and complex grading operations. Both front and rear wheels feature 40.6-inch drums with 38.6-inch widths, ensuring optimal traction and load distribution across varied terrain. The machine maintains a minimal 0.7-foot ground clearance and an 11-foot wheelbase, contributing to its excellent stability and grading accuracy. The 815B represents Caterpillar's proven engineering for demanding earthmoving and grading tasks, combining power, precision, and durability for professional construction contractors.