• Model: 800 B
  • Manufactured by: CASE
$16.99

(+ $29.99 AirMail USB Drive)

**Komatsu 850C Motor Grader**

The Komatsu 850C Motor Grader is a heavy-duty construction machine designed for precise leveling, grading, and excavation tasks in various construction and mining applications. It features a powerful engine, advanced hydraulics, and a robust frame to deliver exceptional performance and durability on challenging job sites.

**Key Features of the Komatsu 850C Motor Grader**

  • **Komatsu SAA6D125E-7 Engine:** The Komatsu 850C is powered by a turbocharged and intercooled Komatsu SAA6D125E-7 diesel engine, delivering 222 horsepower (166 kW) at 2,000 rpm. It provides ample power for demanding grading operations and ensures efficient fuel consumption.
  • **Advanced Hydraulic System:** The 850C features a closed-center hydraulic system with electronically controlled Variable Displacement Piston Pumps (VDPPs). This system optimizes hydraulic flow to individual functions, ensuring precise and responsive control of the grader's blade and attachments
  • **PAT Blade:** The grader is equipped with an exclusive PAT (Precision Automatic Tilt) blade control system that automatically maintains blade angle and slope, reducing operator fatigue and improving grading accuracy.
  • **Heavy-Duty Frame:** The 850C's rugged frame is constructed from high-strength steel and features a box-section design for enhanced rigidity and durability. It withstands the stresses of heavy-duty grading and excavation operations.
  • **Comfortable Cabin:** The spacious and ergonomic cab offers excellent visibility and operator comfort. It includes a fully adjustable suspension seat, air conditioning, and a user-friendly control panel for intuitive operation.
  • **Various Attachments:** The 850C is compatible with a wide range of attachments, including scarifiers, rippers, and snow plows. These attachments enhance the grader's versatility and enable it to perform a diverse range of tasks.
  • **Intelligent Machine Control (iMC):** Optional iMC technology allows the 850C to integrate with 3D machine control systems. This advanced technology provides real-time grading guidance and automates blade movements, significantly improving accuracy and productivity.

**Applications of the Komatsu 850C Motor Grader**

The Komatsu 850C Motor Grader is ideally suited for a variety of construction and mining applications, including:
  • Road construction and maintenance
  • Site preparation and leveling
  • Slope grading and shaping
  • Excavation and trenching
  • Snow removal and ice control
The Komatsu 850C Motor Grader combines power, precision, and durability to deliver exceptional performance on demanding job sites. It is a versatile and reliable machine, trusted by construction and mining professionals worldwide.

KOMATSU 850C MOTOR GRADER SN 202727 & UP SERVICE MANUAL

This is the COMPLETE official full service repair manual for the KOMATSU 850C MOTOR GRADER SN 202727 & UP. Professional work shop technicians use and trust this service manuals - now you can too!

In book KOMATSU 850C MOTOR GRADER SN 202727 & UP SERVICE REPAIR MANUAL you will find the complete informations was keeped like the original manufacturer book. Also, you will find also datasheet information about circuits, diagrams, equipments.

Service manual is presented to improve the level of service and repair of KOMATSU 850C MOTOR GRADER SN 202727 & UP.
This service manual contains repair and troubleshoot instructions, descriptions of repair and service procedures, etc.

This manual includes detailed diagrams and charts that help you to get a detailed description of all systems motor grader KOMATSU, using which you can determine where to install details, etc.
Service manual helps to quickly and easily repair motor grader KOMATSU, troubleshoot it and to solve problems, resolve any problems that arise.

Service manual comes in PDF, all pages are printable. We recommend to use Adobe PDF Reader, to be sure all images / graphics will display correctly.

DOWNLOAD NOW KOMATSU 850C MOTOR GRADER SN 202727 & UP SERVICE MANUAL!

CONTENTS:
01 GENERAL

10 STRUCTURE AND FUNCTION
STEERING (ORBITROL) CONTROL VALVE
TRANSMISSION POWER SHIFT
TRANSMISSION SHIFTER
RECOMMENDED LUBRICANT AND FILTER CHANGE INTERVALS
GENERAL LOCATION OF COMPONENTS
ALL-WHEEL-DRIVE PUMP
ROTARY GROUP
EP2 HYDRAULIC CONTROL
INTERPRETATION OF TYPE CODES
CIRCLE REVERSE MOTOR
CIRCLE REVERSE GEAR CASE MOTOR
CIRCLE REVERSE MOTOR
STEERING AND BRAKE PUMP
STEERING AND BRAKE PUMP MOUNT
STEERING AND BRAKE PUMP
SPECIFICATIONS
AWD HYDRAULIC MOTOR
SPECIFICATIONS
HYDRAULIC OIL SWIVEL BLOCK
FOUR WAY
CONTROL VALVE MANIFOLDS
OPTIONAL CONTROL LEVER (SCARIFIER)
OPTIONAL CONTROL LEVERS (AUXILIARY)
CONTROL VALVES - LH BANK
CONTROL VALVES - RH BANK
VALVE SECTION
MAIN SYSTEM PUMP MOUNT
MAIN SYSTEM PUMP
AWD HIC VALVE
SOLENOID VALVE CARTRIDGE
ACCUMULATOR
SPECIFICATIONS
BRAKE SYSTEM ACCUMULATORS
DRAWBAR LIFT AND DRAWBAR SIDE SHIFT ACCUMULATORS
HYDRAULIC SYSTEM OVERVIEW
STANDARD GRADER
MAIN HYDRAULIC CIRCUIT
STEERING AND BRAKE HYDRAULIC CIRCUIT (INCLUDES LOCK PIN)
STANDARD GRADER WITH ALL WHEEL DRIVE (AWD)
MAIN HYDRAULIC CIRCUIT
ALL WHEEL DRIVE CIRCUIT
STEERING AND BRAKE HYDRAULIC CIRCUIT (INCLUDES LOCK PIN)
MAIN HYDRAULIC CIRCUIT
SPOOL VALVE POSITIONS
NEUTRAL (CENTER)
PULLED (PRESSURIZED B PORT)
PUSHED (PRESSURIZED A PORT)
MAIN SYSTEM CONTROL VALVES
SCARIFIER
RIGHT AND LEFT BLADE LIFT
FLOAT VALVE
BLADE SHIFT
CIRCLE REVERSE MOTOR
MOLDBOARD TILT
ARTICULATION
CIRCLE SIDE SHIFT
LEANING WHEEL
OPTIONAL FLOAT VALVE
STEERING AND BRAKE CIRCUIT
ALL-WHEEL-DRIVE CIRCUIT
NORMAL MODE
AGGRESSIVE MODE
HYDRAULIC OPERATION
ELECTRICAL OPERATION
AWD CONTROLLER PROGRAMMING
LOCK/UNLOCK DIFFERENTIAL PUMP
CIRCLE REVERSE SLIP CLUTCH
CIRCLE REVERSE GEAR CASE
WITHOUT SLIP CLUTCH
WITH SLIP CLUTCH
MOTOR INSTALLATION
TANDEM CASE
LOCATION
DESCRIPTION
NONPLANETARY FINAL DRIVE
PLANETARY FINAL DRIVE
FINAL DRIVE IDENTIFICATION
PART NUMBER TAG
TANDEM CASE MEASUREMENT
SPECIFICATIONS
AWD GEARBOX ASSEMBLY
AWD GEARBOX
FRONT AXLE ASSEMBLY
NON ALL-WHEEL-DRIVE FRONT AXLE
AWD FRONT AXLE
FINAL DRIVE ASSEMBLY
FINAL DRIVE WITHOUT PLANETARY REDUCTION
FINAL DRIVE WITH PLANETARY REDUCTION
NO-SPIN DIFFERENTIAL CASE ASSEMBLY
LOCK/UNLOCK DIFFERENTIAL CASE ASSEMBLY
INPUT QUILL ASSEMBLY
BRAKES
NO-SPIN DIFFERENTIAL BEARING QUILLS
LOCK/UNLOCK DIFFERENTIAL BEARING QUILLS
LOCK/UNLOCK DIFFERENTIAL ASSEMBLY
LOCK/UNLOCK DIFFERENTIAL CASE OIL LINE
NO-SPIN DIFFERENTIAL ASSEMBLY
NO-SPIN DIFFERENTIAL
PLANETARY ASSEMBLY AND RING GEAR
NONPLANETARY FINAL DRIVE CROSS SECTION
PLANETARY REDUCTION FINAL DRIVE CROSS SECTION
MICO PARKING BRAKE
MICO PARKING BRAKE INSTALLATION
PARKING BRAKE CALIPER
MICO BRAKE VALVE
BRAKE PEDAL LINKAGE
HYDRAULIC BRAKE LINES - WITHOUT AWD
HYDRAULIC BRAKE LINES - WITH AWD
BRAKE VALVE
TILT STEERING CONSOLE
EXPLODED VIEW OF TILT STEERING CONSOLE

20 TESTING, ADJUSTING AND TROUBLESHOOTING
STANDARD VALUE TABLES
TRANSMISSION POWER SHIFT
AWD PUMP
CIRCLE REVERSE MOTOR
STEERING AND BRAKE PUMP
AWD HYDRAULIC MOTOR
FOUR-WAY SWIVEL BLOCK
FRONT AXLE AND GEARBOX
HYDRAULIC CYLINDERS
BALL AND SOCKET SHIMMING ADJUSTMENT
ACCUMULATORS
HYDRAULIC CIRCUITS
STEERING AND BRAKE SYSTEM PRESSURE TEST
AWD SYSTEM TEST
ALL-WHEEL-DRIVE PUMP
AWD HYDRAULIC SYSTEM FILTERING PROCEDURE
LOCK/UNLOCK DIFFERENTIAL RELIEF VALVE
FINAL DRIVE ASSEMBLY
TANDEM CASE
CIRCLE ADJUSTMENT
CIRCLE REVERSE SLIP CLUTCH
PARKING BRAKE CALIPER
BRAKE VALVES

30 DISASSEMBLY AND ASSEMBLY
SKETCHES OF SPECIAL TOOLS
TRANSMISSION
CIRCLE REVERSE MOTOR (PARKER)
CIRCLE REVERSE MOTOR (CHAR-LYNN)
HYDRAULIC MOTOR
HYDRAULIC OIL SWIVEL BLOCK - 4 WAY
CIRCLE REVERSE SLIP CLUTCH
TANDEM CASE
AWD - GEARBOX ASSEMBLY
AWD - MOTOR (VICKERS-EATON)
FINAL DRIVE ASSEMBLY
ARTICULATION JOINT

40 MAINTENANCE STANDARD
FINAL DRIVE
NO SPIN DIFFERENTIAL CASE ASSEMBLY
NO SPIN DIFFERENTIAL ASSEMBLY
FINAL DRIVE AND TANDEMS
TANDEM DRIVE
BRAKE VALVE
STEERING CYLINDER
LEANING WHEEL CYLINDER
MOLDBOARD TILT CYLINDER
MOLDBOARD SIDE SHIFT.
DRAWBAR SIDE SHIFT CYLINDER.
DRAWBAR LIFT CYLINDER
SCARIFIER CYLINDER.
ARTICULATION CYLINDER
RIPPER CYLINDER
LUG NUTS.
FRONT AXLE
POWER TILT MOLDBOARD CARRIER
FRAME.
DRAWBAR AND CIRCLE
DRAWBAR LIFT.
ENGINE AND TRANSMISSION
DRIVE LINE
ALTERNATOR
CAB MOUNT.

90 OTHER
ORIGINAL ELECTRICAL DIAGRAM
REVISED ELECTRICAL DIAGRAM
800 TRANSMISSION WITH AWD DIAGRAM
HYDRAULIC CIRCUIT DIAGRAM

Tags:
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202727 & UP NORMAL MODE, KOMATSU 850C MOTOR GRADER SN 202727 & UP AGGRESSIVE MODE, KOMATSU 850C MOTOR GRADER SN 202727 & UP HYDRAULIC OPERATION, KOMATSU 850C MOTOR GRADER SN 202727 & UP ELECTRICAL OPERATION, KOMATSU 850C MOTOR GRADER SN 202727 & UP AWD CONTROLLER PROGRAMMING, KOMATSU 850C MOTOR GRADER SN 202727 & UP LOCK/UNLOCK DIFFERENTIAL PUMP, KOMATSU 850C MOTOR GRADER SN 202727 & UP CIRCLE REVERSE SLIP CLUTCH, KOMATSU 850C MOTOR GRADER SN 202727 & UP CIRCLE REVERSE GEAR CASE, KOMATSU 850C MOTOR GRADER SN 202727 & UP WITHOUT SLIP CLUTCH, KOMATSU 850C MOTOR GRADER SN 202727 & UP WITH SLIP CLUTCH, KOMATSU 850C MOTOR GRADER SN 202727 & UP MOTOR INSTALLATION, KOMATSU 850C MOTOR GRADER SN 202727 & UP TANDEM CASE, KOMATSU 850C MOTOR GRADER SN 202727 & UP LOCATION, KOMATSU 850C MOTOR GRADER SN 202727 & UP DESCRIPTION, KOMATSU 850C MOTOR GRADER SN 202727 & UP NONPLANETARY FINAL DRIVE, KOMATSU 850C MOTOR GRADER SN 202727 & UP PLANETARY FINAL DRIVE, KOMATSU 850C MOTOR GRADER SN 202727 & UP 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UP BRAKES, KOMATSU 850C MOTOR GRADER SN 202727 & UP NO-SPIN DIFFERENTIAL BEARING QUILLS, KOMATSU 850C MOTOR GRADER SN 202727 & UP LOCK/UNLOCK DIFFERENTIAL BEARING QUILLS, KOMATSU 850C MOTOR GRADER SN 202727 & UP LOCK/UNLOCK DIFFERENTIAL ASSEMBLY, KOMATSU 850C MOTOR GRADER SN 202727 & UP LOCK/UNLOCK DIFFERENTIAL CASE OIL LINE, KOMATSU 850C MOTOR GRADER SN 202727 & UP NO-SPIN DIFFERENTIAL ASSEMBLY, KOMATSU 850C MOTOR GRADER SN 202727 & UP NO-SPIN DIFFERENTIAL, KOMATSU 850C MOTOR GRADER SN 202727 & UP PLANETARY ASSEMBLY AND RING GEAR, KOMATSU 850C MOTOR GRADER SN 202727 & UP NONPLANETARY FINAL DRIVE CROSS SECTION, KOMATSU 850C MOTOR GRADER SN 202727 & UP PLANETARY REDUCTION FINAL DRIVE CROSS SECTION, KOMATSU 850C MOTOR GRADER SN 202727 & UP MICO PARKING BRAKE, KOMATSU 850C MOTOR GRADER SN 202727 & UP MICO PARKING BRAKE INSTALLATION, KOMATSU 850C MOTOR GRADER SN 202727 & UP PARKING BRAKE CALIPER, KOMATSU 850C MOTOR GRADER SN 202727 & UP MICO BRAKE VALVE, KOMATSU 850C MOTOR GRADER SN 202727 & UP BRAKE PEDAL LINKAGE, KOMATSU 850C MOTOR GRADER SN 202727 & UP HYDRAULIC BRAKE LINES - WITHOUT AWD, KOMATSU 850C MOTOR GRADER SN 202727 & UP HYDRAULIC BRAKE LINES - WITH AWD, KOMATSU 850C MOTOR GRADER SN 202727 & UP BRAKE VALVE, KOMATSU 850C MOTOR GRADER SN 202727 & UP TILT STEERING CONSOLE, KOMATSU 850C MOTOR GRADER SN 202727 & UP EXPLODED VIEW OF TILT STEERING CONSOLE, KOMATSU 850C MOTOR GRADER SN 202727 & UP STANDARD VALUE TABLES, KOMATSU 850C MOTOR GRADER SN 202727 & UP TRANSMISSION POWER SHIFT, KOMATSU 850C MOTOR GRADER SN 202727 & UP AWD PUMP, KOMATSU 850C MOTOR GRADER SN 202727 & UP CIRCLE REVERSE MOTOR, KOMATSU 850C MOTOR GRADER SN 202727 & UP STEERING AND BRAKE PUMP, KOMATSU 850C MOTOR GRADER SN 202727 & UP AWD HYDRAULIC MOTOR, KOMATSU 850C MOTOR GRADER SN 202727 & UP FOUR-WAY SWIVEL BLOCK, KOMATSU 850C MOTOR GRADER SN 202727 & UP FRONT AXLE AND GEARBOX, KOMATSU 850C MOTOR GRADER SN 202727 & UP HYDRAULIC CYLINDERS, KOMATSU 850C MOTOR GRADER SN 202727 & UP BALL AND SOCKET SHIMMING ADJUSTMENT, KOMATSU 850C MOTOR GRADER SN 202727 & UP ACCUMULATORS, KOMATSU 850C MOTOR GRADER SN 202727 & UP HYDRAULIC CIRCUITS, KOMATSU 850C MOTOR GRADER SN 202727 & UP STEERING AND BRAKE SYSTEM PRESSURE TEST, KOMATSU 850C MOTOR GRADER SN 202727 & UP AWD SYSTEM TEST, KOMATSU 850C MOTOR GRADER SN 202727 & UP ALL-WHEEL-DRIVE PUMP, KOMATSU 850C MOTOR GRADER SN 202727 & UP AWD HYDRAULIC SYSTEM FILTERING PROCEDURE, KOMATSU 850C MOTOR GRADER SN 202727 & UP LOCK/UNLOCK DIFFERENTIAL RELIEF VALVE, KOMATSU 850C MOTOR GRADER SN 202727 & UP FINAL DRIVE ASSEMBLY, KOMATSU 850C MOTOR GRADER SN 202727 & UP TANDEM CASE, KOMATSU 850C MOTOR GRADER SN 202727 & UP CIRCLE ADJUSTMENT, KOMATSU 850C MOTOR GRADER SN 202727 & UP CIRCLE REVERSE SLIP CLUTCH, KOMATSU 850C MOTOR GRADER SN 202727 & UP PARKING BRAKE CALIPER, KOMATSU 850C MOTOR GRADER SN 202727 & UP BRAKE VALVES, KOMATSU 850C MOTOR GRADER SN 202727 & UP SKETCHES OF SPECIAL TOOLS, KOMATSU 850C MOTOR GRADER SN 202727 & UP TRANSMISSION, KOMATSU 850C MOTOR GRADER SN 202727 & UP CIRCLE REVERSE MOTOR (PARKER), KOMATSU 850C MOTOR GRADER SN 202727 & UP CIRCLE REVERSE MOTOR (CHAR-LYNN), KOMATSU 850C MOTOR GRADER SN 202727 & UP HYDRAULIC MOTOR, KOMATSU 850C MOTOR GRADER SN 202727 & UP HYDRAULIC OIL SWIVEL BLOCK - 4 WAY, KOMATSU 850C MOTOR GRADER SN 202727 & UP CIRCLE REVERSE SLIP CLUTCH, KOMATSU 850C MOTOR GRADER SN 202727 & UP TANDEM CASE, KOMATSU 850C MOTOR GRADER SN 202727 & UP AWD - GEARBOX ASSEMBLY, KOMATSU 850C MOTOR GRADER SN 202727 & UP AWD - MOTOR (VICKERS-EATON), KOMATSU 850C MOTOR GRADER SN 202727 & UP FINAL DRIVE ASSEMBLY, KOMATSU 850C MOTOR GRADER SN 202727 & UP ARTICULATION JOINT, KOMATSU 850C MOTOR GRADER SN 202727 & UP FINAL DRIVE, KOMATSU 850C MOTOR GRADER SN 202727 & UP NO SPIN DIFFERENTIAL CASE ASSEMBLY, KOMATSU 850C MOTOR GRADER SN 202727 & UP NO SPIN DIFFERENTIAL ASSEMBLY, KOMATSU 850C MOTOR GRADER SN 202727 & UP FINAL DRIVE AND TANDEMS, KOMATSU 850C MOTOR GRADER SN 202727 & UP TANDEM DRIVE, KOMATSU 850C MOTOR GRADER SN 202727 & UP BRAKE VALVE, KOMATSU 850C MOTOR GRADER SN 202727 & UP STEERING CYLINDER, KOMATSU 850C MOTOR GRADER SN 202727 & UP LEANING WHEEL CYLINDER, KOMATSU 850C MOTOR GRADER SN 202727 & UP MOLDBOARD TILT CYLINDER, KOMATSU 850C MOTOR GRADER SN 202727 & UP MOLDBOARD SIDE SHIFT, KOMATSU 850C MOTOR GRADER SN 202727 & UP DRAWBAR SIDE SHIFT CYLINDER, KOMATSU 850C MOTOR GRADER SN 202727 & UP DRAWBAR LIFT CYLINDER, KOMATSU 850C MOTOR GRADER SN 202727 & UP SCARIFIER CYLINDER, KOMATSU 850C MOTOR GRADER SN 202727 & UP ARTICULATION CYLINDER, KOMATSU 850C MOTOR GRADER SN 202727 & UP RIPPER CYLINDER, KOMATSU 850C MOTOR GRADER SN 202727 & UP LUG NUTS, KOMATSU 850C MOTOR GRADER SN 202727 & UP FRONT AXLE, KOMATSU 850C MOTOR GRADER SN 202727 & UP POWER TILT MOLDBOARD CARRIER, KOMATSU 850C MOTOR GRADER SN 202727 & UP FRAME, KOMATSU 850C MOTOR GRADER SN 202727 & UP DRAWBAR AND CIRCLE, KOMATSU 850C MOTOR GRADER SN 202727 & UP DRAWBAR LIFT, KOMATSU 850C MOTOR GRADER SN 202727 & UP ENGINE AND TRANSMISSION, KOMATSU 850C MOTOR GRADER SN 202727 & UP DRIVE LINE, KOMATSU 850C MOTOR GRADER SN 202727 & UP ALTERNATOR, KOMATSU 850C MOTOR GRADER SN 202727 & UP CAB MOUNT, KOMATSU 850C MOTOR GRADER SN 202727 & UP ORIGINAL ELECTRICAL DIAGRAM, KOMATSU 850C MOTOR GRADER SN 202727 & UP REVISED ELECTRICAL DIAGRAM, KOMATSU 850C MOTOR GRADER SN 202727 & UP 800 TRANSMISSION WITH AWD DIAGRAM, KOMATSU 850C MOTOR GRADER SN 202727 & UP HYDRAULIC CIRCUIT DIAGRAM

KOMATSU 850C MOTOR GRADER SN 202727 & UP SERVICE MANUAL