JOHN DEERE 620GP MOTOR GRADERS

Technical Description

The 2017 John Deere 620GP is a versatile motor grader engineered for heavy-duty construction and road maintenance applications. Powered by a John Deere PowerTech PSS 6.8L diesel engine, this machine delivers approximately 160 kW (215 hp) with 1,005 Nm (750 lb-ft) of peak torque and a 40% torque rise for enhanced lugging capability. The transmission features 8 forward and 6 reverse speeds, enabling operational flexibility across variable terrain. With an operating weight of approximately 18,325 kg (40,400 lb), the grader provides substantial stability and blade pull of 14,091 kg (31,066 lb) for demanding grading operations. The 3.66-meter (12-foot) moldboard incorporates through-hardened Dura-Max cutting edges with adjustable pitch positions ranging from 42 degrees forward to 5 degrees backward, complemented by 683 mm (26.9 inches) of side shift capability. The machine accommodates optional front scarifiers with up to nine shanks spanning 2.21 meters (87.2 inches) and a maximum cutting depth of 335 mm (13.2 inches). Hydraulic systems feature closed-center parallel circuits with electronic governing and programmable controls for precise blade management. The grader maintains a minimum turning radius of 7.21 meters (23 feet 8 inches) with 360-degree circle rotation capability and frame articulation of ±22 degrees. Operating within ambient temperatures up to 50°C and equipped with biodiesel compatibility up to B30, the 620GP represents a modern, fuel-efficient solution for diverse grading applications with reliable EPA Tier 4/EU Stage V compliance.