643L-IIWheeled Feller Buncher
- Gross Power: 163 kW (219 hp)
- Gross Torque: 923 Nm (680 ft.-lb.)
- Wheelbase: 3023 mm (119 in.)
- Operating Weight: 13 910 kg (30,704 lb.)
Features
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FD55 head on an 843L-II
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
Removable engine panels provide wide-open access to the engine
Operator station of an 843L-II
Front view from inside the cab of an 843L-II
Cut to the bottom line
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
Model |
FD45 |
FD55 |
FD22B |
Cut Capacity |
508 mm (20.0 in.) |
584 mm (23.0 in.) |
559 mm (22.0 in.) |
Accumulation Area |
0.65 m2 (7.0 sq ft) |
0.63 m2 (6.8 sq ft) |
0.48 m2 (5.2 sq ft) |
Ideal Timber Range |
150-350 mm (6-14 in.) |
250-460 mm (10-18 in.) |
300-500 mm (12-20 in.) |
Typical Application |
Plantation, thinning, and select cut |
Select cut and final felling |
Select cut and final felling |
Typical Operation |
High accumulation |
Mid-to-high accumulation |
Mid accumulation |
Weight |
2424.48 kg (5345 lb) |
2971.06 kg (6,550 lb) |
3070.85 kg (6,770 lb) |
Felling head specs |
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Gain valuable insights with Precision Forestry solutions
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
Increase uptime with easy serviceability
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
More comfort for all day productivity
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
Specs & Compare
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|---|---|---|---|---|
| Select up to 4 models to compare specifications | John Deere 643L-II Wheeled Feller Buncher |
DRIVELINE
| Engine Manufacturer | John Deere | |||
|---|---|---|---|---|
| Engine Model | PowerTech PSS 6.8L | |||
| Displacement, ltr (Inches³) | 6.8 (415) | |||
| Rated Speed, rpm | 1900 | |||
| Engine Output, kW (hp) | 163 (219) | |||
| Engine Torque, Nm (lbf / ft) | 923 (680) | |||
| Number Of Speeds - Forward | 2 | |||
| Number Of Speeds - Reverse | 2 | |||
| Transmission | Hydrostatic-Mechanical | |||
| Steering | Articulated frame | |||
| Planetaries | Inboard | |||
| Std tire size front | 28 L x 26 | |||
| Service Brake Type | Wet Disc - Inboard | |||
| Parking Brake Type | Spring on / hydraulic release |
DIMENSIONS
| Overall Length, mm (ft/in) | 6293 (20 ft 7 in) | |||
|---|---|---|---|---|
| Height Over Cab, mm (ft/in) | 3216 (10 ft 6 in) | |||
| Width, mm (ft/in) | 2913 (9 ft 6 in) | |||
| Wheelbase, mm (ft/in) | 3023 (9 ft 11 in) | |||
| Ground Clearance, mm (inches) | 484 (19) | |||
| Steering Articulation Angle, ± Degrees | 45 |
CAPACITIES
| Fuel Tank, ltr (gallons (US)) | 396 (104.6) | |||
|---|---|---|---|---|
| Hydraulic Tank, ltr (gallons (US)) | 169.1 (44.7) | |||
| Alternator Capacity, Amp | 150 |
PERFORMANCE
| Travel Speed, kph (mph) | 17.5 (10.8) | |||
|---|---|---|---|---|
| Oscillation Point | Front Axle | |||
| Oscillation Angle, ± Degrees | 15 | |||
| System Voltage, V | 24 | |||
| Pump | Axial piston |
WEIGHTS
| Operating Weight, kg (lbs) | 16383 (36120) |
|---|
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This map-based production-planning and -tracking system allows contractors and operators alike to share real time production and location information – taking the guesswork out of effective decision-making.
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Additional Equipment
Loaders, road-clearing machines, forestry heads and used equipment to round out your lineup.
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Features and specifications are based on published information at the time of publication. Features and specifications are subject to change without notice.