2017 DEERE 859M at www.martinequipment.com2017 DEERE 859M at www.martinequipment.com

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The John Deere 859M Tracked Feller Buncher is built for the way you work. Large-displacement 9.0L engine delivers the power you need to get the job done quickly and efficiently. Maximize productivity with the Rapid Cycle System, which combines automated felling-head arm cycling with simple boom control so you can perform multiple tasks without power drain. Throw everything you've got at it. This feller buncher packs a tremendous punch.

Key Features
• Engine power has increased significantly — by 25 percent — for superb multifunction performance.
• A variety of boom sets and felling heads can be combined to optimize productivity across a wide range of conditions.
• Longer, wider undercarriage maximizes stability no matter the terrain.
• If you’re working in really big timber or on hills, optional high-torque swing provides increased power, to boost productivity.
• Rapid Cycle System (RCS) now standard, uses a single, easy-to-operate joystick to quickly and simply control all boom functions.
• Up to 45-percent more tractive effort increases capability for negotiating difficult or steep terrain, deep snow, and swamps.

• Rapid Cycle System (RCS) can be tailored to individual skill levels and specific harvesting conditions, from large single-tree harvesting to high-speed, multistem cutting.
• Press a single button to engage RCS mode. Conditions don’t suit the fast, parallel motion of the boom? Turn RCS off with another touch of a button.
• Multiple RCS settings can be saved according to individual operator preferences. Novices may prefer a slower, more methodical pace, while highly skilled pros may want faster response.

Cab Comfort
• Fully adjustable armrests, including mounted keypads, provide fingertip control of all machine functions. Fully adjustable air-cushioned seat provides exceptional daylong comfort in the climate-controlled cab.
• Floor-to-ceiling front window offers 44-percent-more window area, providing an outstanding view to the cutting area.

• Field-proven boom design is transplanted from our larger 900M- and 900MH-Series models. All booms are stronger and more robust, with thicker plates and larger pins and bushings to ensure long life.
• Fuel-tank capacity has been increased by over 50 percent (to 230 versus 154 gal. on comparably sized machines) to extend intervals between fill-ups, allowing you to run up to 24 hours without refueling.
• Optional undercarriage-mounted toolbox provides convenient storage for tools, additional saw bars, and other spare parts, minimizing trips back to the service truck.

• Easy access to service components helps ensure daily checks and preventative maintenance get done on schedule, minimizing costly repairs down the road.
• Reversing cooling system fan automatically reverses airflow to eject debris from the cooler cores or, if conditions demand more frequent cleaning, simply press a button to actuate the reversing cycle. Variable-speed fan runs only as fast as needed conserving power and fuel.
• 800M- and 800MH-Series machines share many common components — including the engine, undercarriage, booms, and cab — with their 900M- and 900MH-Series counterparts, simplifying maintenance and repairs when needed.

John Deere Forestsight
• John Deere ForestSight turns data into solutions to optimize machines, uptime, and your jobsite. Benefit from improved profitability with John Deere ForestSight.
• JDLink™ Machine Monitoring System - From the fleet-management fundamentals of knowing the hours and location of all brands, to sending machine-health alerts and tracking machine production on Deere machines, JDLink can help you centrally, smartly manage your entire fleet and grow your business.
• Machine Health Prognostics - John Deere ForestSight's machine-health prognostics evaluate machine data and "think through"; maintenance protocols before prescribing downtime cures that will keep your fleet — and your bottom line — healthy.
• Remote Diagnostics and Programming – Your Deere dealer can help you reduce downtime by accessing and resetting diagnostic trouble codes and recording performance readings remotely.


Engine Manufacturer
John Deere
Engine Model
PowerTech PSS 9.0L
Rated Speed, rpm
Engine Output, kW (hp)
213 (286)
Engine Torque, Nm (lbf / ft)
1270 (937)
Carrier Rollers - Each Side
Track Rollers - Each Side
Track Shoe Width, mm (inches)
600 (24)


Base Carrier Length, m (ft/in)
4.9 (16 ft 1 in)
Height Over Cab, mm (ft/in)
3920 (12 ft 10 in)
Overall Width, mm (ft/in)
3300 (10 ft 11 in)
Tail Overhang - Over Side, mm (ft/in)
290 (10.5 in)
Track Length On Ground, mm (ft/in)
3830 (12 ft 7 in)
Tailswing Radius, mm (ft/in)
1940 (6 ft 4 in)
Ground Clearance, mm (inches)
746 (29)
Superstructure Width, mm (ft/in)
3150 (10 ft 4 in)
Track Gauge, mm (ft/in)
2720 (8 ft 11 in)
Cab Leveling tilt (Forward), °
Cab Leveling tilt (Rear), °
Cab Leveling tilt (Side), ± °


Fuel Tank, ltr (gallons (US))
870 (230)
Hydraulic Tank, ltr (gallons (US))
122 (32)
Alternator Output, Amp


Travel Speed, kph (mph
3.6 (2.2)
Tractive Force, kN (lbf)
373 (83880)
Lift Capacity - Maximum Reach, kg (lbs)
5540 (12220)
Reference Harvesting Head
5540 (12220)
Felling Diameter, mm (inches)
559 (22)
Reference Head Saw Type
Reference Head Type
Cutting Radius - Maximum, mm (ft/in)
8490 (27 ft 10 in)
Cutting Radius - Minimum, mm (ft/in))
3830 (12 ft 7 in)
Cutting Swath Horizontal, mm (ft/in)
4660 (15 ft 3 in)
System Voltage, V
Pump Type
Var. axial-piston
Pump Flow, lt/min (gallons (US) / min)
494 (131)


Operating Weight, kg (lbs)
35890 (79140)