John Deere G-Series 4WD Motor Graders

Taking Grading Performance to the Next Level

John Deere motor graders are renowned for exceptional control and precise grading. With customer-driven innovations like Grade Pro (GP) models featuring exclusive automation, dual-joystick controls, and integrated SmartGrade options, these machines lead the way in efficiency and performance. The 620G offers a compact and economical solution with up to 10 percent fuel savings compared to larger models, providing essential features for contractors, townships, and municipalities.

Right On The Money: Enhanced Performance, More Options, Lower Cost

G-Series Graders offer a balance of performance, options, and cost-effectiveness, suitable for major contractors, county work, or land-leveling crews.

Innovation in Action

New John Deere automation features include Machine-Damage Avoidance, Machine Presets, Auto-Articulation, Auto-Gain for Cross Slope, and Auto-Pass (available on GP models).

Go Forward

Auto-Shift PLUS simplifies operation for both GP and G-Series models, allowing machine operation without using the inching pedal.

The Right Power for the Job

G-Series Graders provide optimized horsepower and torque for each gear, ensuring maximum performance across various applications.

Unlimited Grade Control

Industry-first John Deere SmartGrade Motor Graders are fully integrated and factory-calibrated. In-cylinder position sensing maintains grade accuracy regardless of blade pitch, articulation angle, or circle offset.

Improved Horsepower and Torque

Increased engine horsepower, torque, and blade pull deliver robust power and lugging ability, enabling efficient operation on tough terrain and steep inclines.

Smarter From Day One

SmartGrade integration protects grade-control components like wire harnesses and sensors from damage. The absence of external components enhances maneuverability, allowing for earlier and more effective site development involvement.

Industry-First Automation Features & SmartGrade Configurations

Get Ahead of It: The John Deere Difference

Distinguish your operation with industry-exclusive features like Auto-Gain for Cross Slope, Auto-Pass, and Auto-Shift PLUS for push-button ease. Automation advantages for GP models are also available as field kits for SmartGrade models.

• 1. Exclusive Auto-Shift PLUS: Simplifies operation by eliminating the need for the inching pedal.
• 2. Auto-Gain for Cross Slope: Automatically adjusts gain settings based on ground speed for optimal performance.
• 3. Auto-Articulation: Enhances maneuverability by coordinating steering and articulation through joystick control.
• 4. Machine-Damage Avoidance: Prevents blade damage during operation, even in complex orientations.
• 5. Exclusive Auto-Pass: Automates blade positioning and grade-control system activation for efficient grading passes.
• 6. Machine Presets: Streamlines transport preparation by stowing the blade and ripper, activating lights, and enabling Auto-Shift with a single button press.

Optional Premium Circle

Features a fully sealed bearing and pinion for smoother, quieter operation. This design reduces operating costs, offers 40% more torque, and 15% more speed than traditional circles. It eliminates the need for compensation due to wear, improving accuracy, especially with SmartGrade systems. With only four zerks and 500-hour greasing intervals, it's virtually maintenance-free.

Freedom of Choice: Without Lifting a Finger

G-Series Graders offer diverse control options, including dual-joystick or fingertip armrest controls on GP models, with a field kit for easy swapping. G models feature conventional lever-operated controls. All models retain a steering wheel for operator preference.

Joystick Option

Dual-joystick controls provide intuitive operation with minimal hand movement for direction changes and gear shifts, reducing operator fatigue.

Fine Control with Less Fatigue

Articulation and circle-rotate functions are managed via proportional roller switches, eliminating the need for wrist twisting.

Return-to-Straight

A button press automatically straightens the articulated frame for quicker work cycles.

Automated Cross Slope

Dual-joystick and fingertip armrest controls include cross slope functionality. Automated cross slope simplifies slope maintenance by reducing operation to a single lever, benefiting both experienced operators and new users.

Choice of Controls:

• Dual-Joystick Controls (GP Models)
• Fingertip Armrest Mounted Controls (GP Models)
• Conventional Lever Operated (G Models)
• Steering Wheel (Standard on All Models)

Sight for Sore Eyes: Envision More Productivity

Exceptional visibility, an LCD high-visibility monitor, and smooth, gateless shifting make G-Series Graders a favorite for various jobsites.

Exceptional View

Unobstructed all-around visibility provides clear views to the heel, toe, and moldboard, as well as the area beneath the front axle for enhanced obstacle awareness.

Store Your Stuff

Ample storage includes overhead compartments for essentials like beverages, coolers, and cell phones.

Lighting the Way

Courtesy lighting remains on after shutdown, then automatically turns off, improving safety when exiting the cab after dark.

Easy-Access Park Brake

A sealed-switch module offers push-button control of key functions, including the parking brake, for convenient access and operation.

LCD Hi-Vis Monitor Streamlines Access to Vital Data

The LCD hi-vis monitor provides intuitive, push-button access to essential machine information via easy-to-navigate icons and menus.

Now You See It

Improved visibility to tandems on GP models aids in working around obstacles like water mains and hubs.

Keep Downtime Down. So Much to Do, So Little Time

Uptime is critical. G-Series Graders feature durability-enhancing advantages for years of trouble-free service.

Standard Reversing Fan (Optional on 620G/GP)

Fuel-Efficient, Cool-on-Demand Fan with Reversing Option

The variable-speed, hydraulically driven fan operates only as needed to maintain optimal cooling, conserving power and fuel while reducing noise. The optional reversible fan on 620G/GP models facilitates core cleanout in high-debris environments.

Auto Shutdown Reduces Fuel Use and Wear

The auto shutdown feature turns off the engine after a specified idling period, saving fuel and reducing wear on engine, transmission, and hydraulic components.

Robust, Easy-to-Clean Cooling Package

The cooling package eliminates stacked coolers. Combined with a hinged, swing-out fan, it provides quick and easy access to the cores for cleaning.

Multipurpose for Your Multiple Purposes

Redesigned heavy-duty front and rear axles, along with increased maximum operating weights, enhance versatility and blade pull for various attachments.

Save Fuel with Eco Mode

Engaging Eco mode reduces engine RPM in gears 1–5, optimizing fuel usage and potentially lowering operating costs by up to 10 percent.

Get Valuable Insight with Precision Construction

This suite of construction technology offers Productivity Solutions to enhance efficiency. The standard JDLink™ subscription provides machine location, utilization data, and alerts for proactive management. Additional solutions include grade-management options for various machine types and payload weighing for wheel loaders and articulated dump trucks.

To maximize uptime and reduce costs, JDLink enables John Deere Connected Support™. The Machine Health Monitoring Center analyzes data from thousands of connected machines to identify trends and provide Expert Alerts for proactive issue resolution. Dealers can leverage Expert Alerts to address potential problems before they lead to downtime, and remotely diagnose and update machine software.

Fast, Simple Ground-Level Access

All daily service points, including fueling and diesel exhaust fluid (DEF), are conveniently grouped on the left side for easy ground-level access. On the right side, maintenance personnel will find easily accessible engine oil, fuel, hydraulic, transmission, and differential filter banks.

Specifications

620G/GP Specifications

670G/GP Specifications

770G/GP Specifications

870G/GP Specifications

Safety Live With It

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