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Tigercat 850 Machine sideview

850 Processor

The 850 processor is purpose-built for roadside processing. Outstanding performance, impressive fuel economy, and exceptional serviceability set the 850 apart from excavator conversions.

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Purpose-built for high volume roadside processing, the Tigercat 850 offers many advantages over excavator conversions  – better service access, higher cooling capacity and processor head optimized hydraulics. Pair the 850 processor with the Tigercat 568 harvesting head for an all-Tigercat roadside processing solution.

Operator station

The 850 cabin is an operator’s dream. A hooked boom design and large windows with narrow side posts provide excellent visibility. An integrated cab riser and the rearVIEW camera system contributes to all-around visibility for the operator. Optimally positioned controls and a large touch screen display improve ergonomics and machine monitoring. Reduced noise levels help the operator enjoy the auxiliary audio input port, Bluetooth® audio and hands-free calling.

Optimized hydraulics

An efficient load sensing hydraulic system allows simultaneous machine and head functionality. The combination of high horsepower and processor head optimized hydraulics lead to responsive control, quick feed speed and powerful delimbing capability for high performance and productivity.

Forest duty construction

The durable design and construction starts with the Tigercat-built forest duty undercarriage and large diameter swing bearing. The upper assembly is built on a deep section turntable. All weldments are fabricated from high quality steel to resist impact.

Service access

Service access is unmatched with the ability to step down into the centre of the machine for clear, unobstructed access to the engine and daily service points. The roof enclosure tilts open to provide excellent access to the engine house. A large cast counterweight with door provides additional access to the engine from the rear of the machine. Large enclosure doors and a service platform provide easy access to all service points.

Tigercat power. Tigercat support.

The 850 processor is Tigercat FPT Tier 2 or Tier 4f powered. The Tier 4f engine conforms to the latest emissions standards in North America. With the Tier 2 engine option, Tigercat brings the benefits of Tigercat power and support to harvesting professionals around the world.

Key Benefits

  • Tigercat FPT N67 engine – clean, powerful, efficient and fully supported by Tigercat
  • Advanced load sensing hydraulic system – excellent fuel economy.
  • High capacity cooling system – automatic variable speed for improved fuel efficiency; automatic reversing cycle to purge dust and debris
  • Twin swing drive motors for powerful swing torque, reduced pinion loads and extended swing system life
  • Heavy duty strength-to-weight optimized boom system
  • Full length front window with clear view of the tracks
  • Clear access to pumps, valves and engine; far superior to excavator conversions
  • No additional guarding or add-ons required for roadside processing.


850/568 Roadside Processing Video
The highly anticipated 850 processor equipped with the robust 568 harvesting head operating cliffside in the Kootenay region of British Columbia. The 850/568 package provides contractors with an all-Tigercat roadside processing solution. Download in HD
850 Processor Walk-around Video
Tigercat design engineer, Aaron Wilkes takes us on a walk-around of the 850 processor. Learn about the key features that set the Tigercat 850 roadside processor apart from excavator conversions. Download in HD


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Show measurements as:
WIDTH3 429 mm
HEIGHT transport3 710 mm
WEIGHT less attachment31 025 kg
ENGINE Tier 4fTigercat FPT N67
159 kW (213 hp) @ 2,100 rpm (rated)
165 kW (221 hp) @ 1,900 rpm (peak)
ENGINE Tier 2Tigercat FPT N67
159 kW (213 hp) @ 2,100 rpm (rated)
165 kW (221 hp) @ 1,900 rpm (peak)
AIR FILTRATIONPrecleaner, 2-stage engine air cleaner
COOLINGSide-by-side aluminum radiator, oil cooler, charge air cooler and A/C condenser
FANEngine driven
OptionalHydraulic driven automatic variable speed, reversible
LOW RANGE2,5 km/h
HIGH RANGE4,5 km/h
PUMP, MAIN 1Piston, load sensing
PUMP, MAIN 2Piston, load sensing
FILTRATION(5) Spin-on, 7 micron full flow
(1) Water absorbing
CYLINDERS, HOIST(2) 120 mm (4.7 in) bore
CYLINDER, STICK(1) 130 mm (5.1 in) bore
HORSEPOWER CONTROLElectronic speed sensing
TRACK FRAMESF6-152 heavy duty forestry
Integral track guide
TRACK CHAINF8/D6D 203 mm (8 in) pitch
FINAL DRIVE(2) Axial piston motors
Infinitely variable speed
GEARBOXTriple reduction planetary with brake
FRONT IDLERHydraulic track adjuster
Spring shock absorber
ROLLERS, UPPER(2) D6 excavator type
SLIDES, UPPEROptional, bolt-on
ROLLERS, LOWER(9) D6 excavator type
TRACK SHOE610 mm (24 in) single grouser/double grouser
Optional710 mm (28 in) double grouser
760 mm (30 in) double grouser tri-track/triple grouser
915 mm (36 in) triple grouser/triple grouser tri-track
TRACKFriction disc
Automatic spring applied, hydraulic release
SWINGFriction disc
Manual spring applied, hydraulic release
SWING DRIVE8 rpm variable speed
360° continuous rotation
Double reduction, twin swing drive planetary gearboxes
Twin piston swing motors
SWING BEARING1 190 mm (47 in) ball circle diameter
ENCLOSURESpring assist roof and side platform
Large swing-out door for cooling system
Rear swing-out door
BARE PIN LIFT full reach5 035 kg
BATTERY(2) 12 v
ALTERNATOR80 amp, 24 v
CABInsulated, pressurized and isolation mounted
A/C, heater, defroster
rearVIEW camera system
Full length polycarbonate windshield/entry door
Polycarbonate right and left side windows
One-piece polycarbonate side door window with steel guarded upper sliding section for ventilation
AM/FM digital stereo and auxiliary input port
Bluetooth® audio and hands-free calling
(2) Power points
LogOn™ telematics system
SEATFull suspension air ride, fully adjustable
Armrest mounted Tigercat joystick
OPERATOR CONTROLSHydraulic proportional for boom/travel/swing
Electronic for horsepower/fan control
Electric switch for swing brake
Electronic control system with colour LCD display screen interface for machine monitoring and function adjustment
STANDARDFuel suction strainer
Alarm for track movement
Electric hydraulic oil fill pump
Hydraulic tank vacuum system
OPTIONALCold weather kit
RemoteLog™ telematics system

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