TOPCAT SSG72 MOTOR GRADERS

Technical Description

The 2022 TopCat SSG72 is a robust motor grader powered by a Caterpillar C9.3 ACERT turbocharged diesel engine, delivering 200 horsepower in first gear with a power range of 200–247 hp and maximum torque of 920 lb-ft at 1000 rpm. The engine features a 567.5 cubic-inch displacement with six inline cylinders, a 4.5-inch bore, and 5.9-inch stroke, operating at a rated speed of 2000 rpm. The machine operates at approximately 43,950 to 45,917 pounds equipped, with a maximum gross vehicle weight of 55,144 pounds when fully loaded. It features a 12-foot moldboard blade with blade down pressure ranging from 18,411 to 29,308 pounds depending on configuration. The grader's total operating length extends to 31 feet, with a width of approximately 10 feet 2 inches and height of 10 feet 8 inches. It rides on 17.5R25 tires and carries a fuel tank capacity of 55.7 gallons. The hydraulic system employs a parallel circuit with a variable piston pump capable of 55.7 gallons per minute at a maximum pressure of 3500 psi. The transmission is a direct-drive power shift countershaft unit offering eight forward and six reverse gears, enabling maximum speeds of 29 mph forward and 22.9 mph in reverse. The machine is rated for ambient temperatures up to 122°F and features a derating altitude threshold of 10,000 feet.