JOHN DEERE 772AH MOTOR GRADERS

Technical Description

The John Deere 772AH is a heavy-duty motor grader powered by a turbocharged and intercooled 6-cylinder diesel engine. The 6-466A engine displaces 466 cubic inches and delivers 180 horsepower at 2200 rpm with 537 pound-feet of torque at 1400 rpm. The machine features a power-shift transmission with eight forward gears and four reverse gears, enabling a maximum forward speed of 25.1 mph and reverse speed of 8.6 mph. The grader measures 27.8 feet in overall length and 8.1 feet wide over tires, with a 19.6-foot wheelbase and 22.6-foot turning radius. Its moldboard is 12 feet wide with a 0.9-inch thickness and can lift 17.1 inches above ground. The circle has a 59.1-inch diameter with 360-degree rotation capability and front/rear blade tip angles of 44 degrees and 10 degrees respectively. The hydraulic system utilizes a closed-center variable displacement pump flowing 36 gallons per minute. Operating weight totals 30,903 pounds standard configuration, with maximum capacity reaching 34,492 pounds. The machine carries a 70-gallon fuel tank, 41-gallon hydraulic system capacity, and 7-gallon cooling system capacity. All-wheel drive is standard up to 6.7 mph with optional capability to 11.5 mph. Articulation steering provides a 25-degree angle for enhanced maneuverability on varied terrain.