John Deere 643L-III Wheeled Feller Buncher 219 hp 36,120 lb Operating Weight
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The John Deere 643L-III Wheeled Feller Buncher delivers robust 219 hp performance for demanding forestry applications. Its articulated frame steering and hydrostatic-mechanical transmission provide exceptional maneuverability and control across varied terrain.
Choose from three factory-installed felling heads to match your specific timber size and harvesting conditions. The premium cab option enhances operator comfort with auto climate control, dual camera views, and a heated and vented leather seat for all-day productivity.
Key Features
Engine Manufacturer
John Deere
Engine Model
PowerTech PSS 6.8L
Displacement
415 in³
Rated Speed
1900 rpm
Engine Output
219 hp
Engine Torque
680 lbf/ft
Number Of Speeds - Forward
2
Number Of Speeds - Reverse
2
Transmission
Hydrostatic-Mechanical
Steering
Articulated frame
Planetaries
Inboard
Standard Tire Size Front
28 L x 26
Service Brake Type
Wet Disc - Inboard
Parking Brake Type
Spring on / hydraulic release
Overall Length
20 ft 8 in
Height Over Cab
10 ft 7 in
Width
9 ft 7 in
Wheelbase
9 ft 11 in
Ground Clearance
19 in
Steering Articulation Angle
±45°
Fuel Tank
104.6 gal (US)
Hydraulic Tank
44.7 gal (US)
Alternator Capacity
150 Amp
Travel Speed
10.8 mph
Oscillation Point
Front Axle
Oscillation Angle
±15°
System Voltage
24 V
Pump
Axial piston
Operating Weight
36,120 lb
Highlights
219 hp John Deere PowerTech PSS 6.8L engine with 680 lbf/ft of torque
Hydrostatic-mechanical transmission with articulated frame steering
Three felling head options: FD45, FD55, and FD22B
JDLink™ telematics with remote diagnostics and monitoring
Premium cab available with auto climate control and dual cameras
Ground-level daily service access with swing-out coolers
Frequently asked questions
What felling heads are available for the 643L-III?
Three factory-installed heads are available: the twin-post FD45 and FD55 for high-accumulation thinning and plantation harvests, and the single-post FD22B for large timber in clear-cutting applications.
What telematics system comes with the machine?
The JDLink™ telematic system is included as standard, enabling remote monitoring of location, fuel level, utilization, and more through John Deere’s Precision Forestry solutions.
What comfort features does the premium cab offer?
The premium cab includes automatic climate control, a 7-inch secondary display, blade-view and tong-view cameras, a heated and vented leather seat with multiple adjustments, and a RAM® mount cell phone holder.
How is daily maintenance accessed on the 643L-III?
Daily service points including fuel, DEF, and hydraulic oil fills are accessible from ground level. Removable engine panels and swing-out cooler doors provide wide-open access to filters and fluid checks.