The John Deere 859MH Forestry Tracked Harvester is a state-of-the-art logging machine designed for optimal performance in challenging environments. Featuring durable tracks, this harvester excels in navigating through dense forests with superior traction. Equipped with advanced harvesting technology, the 859MH ensures precise and efficient logging operations. Its robust construction is tailored to meet the demands of rigorous forestry tasks, providing a reliable solution for sustainable practices. The harvester’s powerful capabilities enhance productivity while minimizing environmental impact. Operator comfort is prioritized with intuitive controls and an ergonomic design, making it a preferred choice for forestry professionals. The John Deere 859MH represents innovation and reliability, delivering a perfect blend of strength and agility to tackle the toughest logging challenges with ease.
- Net Power: 224 kW (300 hp) at 1,900 rpm
- Max. Boom Reach: 9.91 m (32 ft. 6 in.)
- Tractive Effort: 373 kN (83,876 lbf)
Product Features for John Deere 859MH Forestry Tracked Harvester:
Operate in Comfort
Inside the Cab of a 953M:
- Floor-to-ceiling front window
- Operating for long hours is common, and maintaining consistent productivity is crucial.
- M-series offers increased window area for better visibility and more cab space.
- Low-effort electrohydraulic (EH) controls for customizable layout and settings.
Large and Spacious Operator Station:
- Designed with operator input.
- Ergonomic controls and increased cab volume.
- Floor-to-ceiling front window, large side windows, skylight, and optional floor window.
- Optional heated and ventilated seat.
Intelligent Boom Control (IBC):
- Enables precise boom movements.
- Customizable control pattern and boom motions.
- More efficient and consistent boom movements.
- Enhanced cylinder cushioning for reduced shock loading.
- Overall improved operator experience.
Precision Forestry Solutions:
- JDLink telematic system included in the base machine.
- View machine parameters, remote diagnostics, and rapid service response.
- Machine Health Monitoring Center for analyzing data and preventing downtime.
- TimberMatic Maps for enhanced jobsite visibility.
- TimberManager™ for remote visibility and smart business decisions.
Serviceability within Easy Reach:
- Fully opened enclosure and service doors.
- Grease bank for easy servicing of boom joints.
- Rear service ladder for access to fuel and DEF fills.
- Easy access to service components for daily checks and scheduled maintenance.
- Smart debris management with variable-speed reversing fan, swing-out doors, optional vacuum pump, grease banks, and large fuel tank.
Sure-Footed Stability:
- M-series undercarriage designed for severe forestry applications.
- Shaped track frames deflect debris and provide strength and stability.
- Long, wide undercarriage for solid balance and stability.
- Exceptional tractive effort for difficult terrain.
- Optional closed-loop hydrostatic drive and various track pad options.
- Optional tri-track to prevent premature wear due to track twisting.
Maximize Stability on Steep Slopes:
- Leveling system with smooth-cushioned control.
- Expansive leveling envelope tilts up to 26-degrees forward.
- Long and wide undercarriage maximizes performance in challenging terrain.
- Common undercarriage between leveling machines.
- Provides exceptional stability and continuous machine operation on extreme slopes.
Slope Indicator:
- Measures actual ground-slope angle.
- Displays on the in-cab monitor for confident operation in tough steep-slope conditions.
- Available option on all leveling M-series machines.
Product Specifications for John Deere 859MH Forestry Tracked Harvester:
Engine:
- Manufacturer: John Deere
- Model: PowerTech Plus 6090H
- Displacement: 9 liters (549 Inches³)
- Rated Speed: 2000 rpm
- Engine Output: 224 kW (300 hp)
- Engine Torque: 1270 Nm (937 lbf / ft)
Undercarriage:
- Carrier Rollers – Each Side: 2
- Track Rollers – Each Side: 10
- Track Shoe Width: 610 mm (24 inches)
Driveline:
- Height Over Cab: 3920 mm (12 ft 10 in)
- Width: 3330 mm (10 ft 11 in)
- Overall Track Length: 4900 mm (16 ft 1 in)
- Track Length On Ground: 3830 mm (12 ft 7 in)
- Tailswing Radius: 1940 mm (6 ft 4 in)
- Ground Clearance: 748 mm (2 ft 5 in)
- Superstructure Width: 3150 mm (10 ft 4 in)
- Slewing Angle: 360 Degrees
- Cab Leveling Tilt (Forward): 26 Degrees
- Cab Leveling Tilt (Rear): 7 Degrees
- Cab Leveling Tilt (Side), ± Degrees: 7
Dimensions:
- Fuel Tank Capacity: 870 liters (228.9 gallons US)
- Number of Alternators: 1
- Alternator Output: 100 Amp
Capacities:
- Slew Speed: 6.8 rpm
- Travel Speed: 3.6 kph (2.2 mph)
Harvesting Head: Waratah HTH622B
- Felling Diameter: 750 mm (29.5 inches)
- Delimbing Diameter: 640 mm (25.2 inches)
- Delimbing Feed Rate: 5.7 m/sec (18.7 ft/sec)
- Cutting Radius – Maximum: 8840 mm (29 ft)
- Cutting Radius – Minimum: 2710 mm (8 ft 11 in)
- Cutting Swath Horizontal: 6130 mm (20 ft 1 in)
Hydraulic System:
- System Voltage: 24 V
- Main Pump: Variable Displacement Axial Piston
- Pump Flow: 532 lt/min (141 gallons US/min)
Performance:
- Operating Weight: 38050 kg (83900 lbs)
- Weight – With Reference Head: 38050 kg (83900 lbs)
- Weight – Without Reference Head: 35860 kg (79070 lbs)
Further information on this machine can be viewed by visiting this link https://www.deere.com/en/tracked-harvesters/859mh/
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