John Deere 643L-II Wheeled Feller Buncher

FD55 head on an 843L-II

Choose from three different felling heads to match your application, tree size, and conditions, so you can maximize productivity. The twin-post FD45 and FD55 heads provide deep pockets for high-accumulation performance and are best suited for thinnings and high-production plantation harvests. The single-post FD22B head is best suited for large timber in clear-cutting applications.

• Multiple head options to fit the machine to its intended application
• Factory installed felling heads
• Optimized for John Deere carriers

Felling head size comparison from left to right: FD45, FD55, FD22B

Mobile device using JDLink™

TimberMatic™ Maps monitor displaying live production data

Machine Health Monitoring Center

Now included in base machine, the JDLink™ telematic system provides the foundation for John Deere’s Precision Forestry solutions. These systems help optimize your machine, your uptime, and your jobsites, which ultimately lead to improved production efficiency.

• JDLink™ connectivity enables you to view several parameters of your machine, including its location, fuel level, average fuel burn rate, idle time, machine utilization, and much more
• John Deere Connected Support™ allows the dealer, with your approval, to provide remote diagnostics, rapid service response with the right part in hand, and parts availability; all to maximize machine uptime
• John Deere’s centralized Machine Health Monitoring Center analyzes data from thousands of connected machines, identifies trends, and develops recommended actions to help prevent downtime
• TimberMatic Maps gives enhanced visibility to the jobsite, which streamlines communication and increases efficiency TimberManager™ provides remote visibility to your operation from any device, allowing you to make smart business decisions based on real-time production data

Removable engine panels provide wide-open access to the engine

Easy access to service components helps confirm daily checks and perform scheduled maintenance, which ultimately minimizes unexpected downtime and costly repairs. The L-II lineup of Wheeled Feller Bunchers feature removable engine panels for wide-open access to filters and fluid level checks. Swing out cooler doors and an automatic reversing fan provide effortless cleaning of debris from the coolers. Fluid fills including fuel, diesel exhaust fluid (DEF), and hydraulic oil can all be easily accessed from ground level, as well as daily greasing points.

• Ground level daily maintenance
• Swing out coolers for quick and easy cleaning detachable engine panels
• Remote diagnostics via John Deere Connected Support, with your approval
• Wiring and hose routings are protected against debris intrusion
• Simplified routing of the electrical and hydraulic systems
• Extended filter-change interval for hydraulic filter service

Operator station of an 843L-II

Front view from inside the cab of an 843L-II

Less fatigue means more output. Your operators will have what they need to be comfortable and productive in the cab of an L-II series wheeled feller buncher.

• Large windows provide clear visibility to the attachment
• Customizable joystick and button patterns for multiple operators
• Low-effort electrohydraulic (EH) controls
• Soft steering stops reduces impact during full articulation
• Power-management system allows operators to set the desired power to the felling head and drive motors