Komatsu PC800 - User Manual

www.Komatsu.com
CEN00072-01 Materials and specifications are subject to change without notice.
is a trademark of Komatsu Ltd. Japan.
Printed in Japan 200810 IP.As(05)
STANDARD EQUIPMENT
ENGINE AND RELATED ITEMS:
● Air cleaner, double element, dry
● Variable speed cooling fan, with fan guard
● Engine, Komatsu SAA6D140E-5
ELECTRICAL SYSTEM:
● Alternator, 50 amp, 24 V
● Batteries, 170 Ah, 2 x 12 V
● Starting motors, 11kW
● Working lights-2 boom, 2 cab top front, 1 cab bottom
● Step light with timer
● Auto decelerator
UNDERCARRIAGE:
● 610 mm 24'' double grouser
● 8 track/3 carrier rollers (each side)
● Hydraulic track adjusters (each side)
● Variable track gauge
● Sealed track
GUARDS AND COVERS:
● Dust-proof net for radiator and oil cooler
● Pump/engine room partition cover
● Travel motor guards
OPERATOR ENVIRONMENT:
● Damper mount, all-weather, sound-suppressed cab with tinted
safety glass windows, lockable door, intermittent window wiper
and washer, floormat, cigarette lighter and ashtray
● Multi-function color monitor, electronically-controlled throttle dials,
electric service meter, gauges (coolant temperature, hydraulic oil
temperature and fuel level), caution lights (electric charge, engine
oil pressure, and air cleaner clogging), indicator lights (engine
preheating and swing lock light) level check lights (coolant, engine
oil, and hydraulic oil level), self-diagnostic system with trouble
data memory
● Seat, fully adjustable with suspension
● Cab with pull-up type front window
● Rear view mirror (R,H)
HYDRAULIC CONTROLS:
● Fully hydraulic, with Electronic Open-Center Load-Sensing
(EOLSS) and engine speed sensing (pump and engine mutual
control system)
● Two axial piston motors for swing with single-stage relief valve
● One axial piston motor per track for travel with counter balance
valve
● Two variable capacity piston pumps
● Two control valves, 5+4 spools (boom, arm, bucket, swing, and
travel)
● Control levers, wrist control levers for arm, boom, bucket, and
swing with PPC system
● Control levers and pedals for steering and travel with PPC system
● Oil cooler
● In-line filter
● Heavy lift mode system
● Shockless boom control
● Swing priority selection system
● Two-mode setting for boom
DRIVE AND BRAKE SYSTEM:
● Brakes, hydraulic lock travel brakes, oil disc parking
● Hydrostatic two travel speed system with planetary triple reduction
final drive
OTHER STANDARD EQUIPMENT:
● Automatic swing holding brake
● Counterweight, 9800 kg 21,610 lb
● Horn, electric
● Marks and plates, English
● Paint, Komatsu standard
● Large handrails
● One-touch engine oil drainage
● PM tune-up service connector
● Remote greasing for radiator fan drive
● Travel alarm
● Rear reflector
● Anti-slip plates
● Corrosion resistor
OPTIONAL EQUIPMENT
● Additional track guard
● Air suspension seat
● Alternator, 75 Amp, 24 V
● Arms (Backhoe):
PC800-8:
—3600 mm 11'10'' arm assembly
—4600 mm 15'1'' arm assembly
—5600 mm 18'4'' arm assembly
PC800SE-8:
—2945 mm 9'8'' SE arm assembly
● Auto air conditioner
● Automatic greasing
● Booms (Backhoe):
PC800-8:
—8200 mm 26'11'' boom assembly
PC800SE-8:
—7100 mm 23'4'' boom assembly
● Cab front guard (ISO 10262 level 2)
● Cab with fixed front window
● Catwalk
● Coolant heater
● Counterweight 11850 kg 26,120 lb
● Double flange track roller
● 12V electric supply
● Fire extinguisher
● Full length track guard
● General tool kit
● Grease gun, electric pump with indicator
● High cab mount
● Interconnected horn and warning light
● Large-capacity batteries
● Loading shovel attachments
● Lower wiper
● OPG top guard
● Provision for fast fuel fill
● Radio AM/FM
● Rain visor
● Rear view mirror (L,H)
● Seat belt 78 mm 3'', 50 mm 2''
● Shoes:
—710 mm 28'' double grouser
—810 mm 32'' double grouser
—910 mm 36'' double grouser
—1010 mm 40'' double grouser
● Spare parts for first service
● Strengthened revolving frame underguard
● Sun visor
● Track frame undercover (center)
● Vandalism protection locks
● Working lights 2 (on cab)
HORSEPOWER
Gross:370 kW 496 HP @ 1800 rpm
Net:363 kW 487 HP @ 1800 rpm
OPERATING WEIGHT
Backhoe:74200–77810 kg
163,580–171,540 lb
Loading shovel:77000 kg
169,750 lb
Photo may include optional equipment.
PC800/800SE-8 BACKHOE
PC800-8 LOADING SHOVEL
PC
800
HYDRAULIC EXCAVATOR

Summary

Standard Equipment

Engine and Electrical Systems

Covers engine specifications, air cleaner, cooling fan, and electrical components like alternator, batteries, and lights.

Operator Environment and Undercarriage

Hydraulic Controls

Control Systems and Features

Explains the fully hydraulic EOLSS system, axial piston motors, control valves, PPC levers, and mode settings.

Drive and Brake System

Productivity Features

High Work Equipment Speed & Heavy Lift Mode

Enhanced arm/bucket speed for efficient loading and 10% increased lifting force in heavy lift mode.

Large Digging Force & Two-mode Boom

High operation efficiency with strong digging force and selectable boom modes for power or smooth operation.

Drawbar Pull, Steering Force & Swing Priority

Ecology and Economy Features

Tier 3 Engine & Economy Mode

Tier 3 compliant engine with cooled EGR system for reduced NOx, and economy mode for fuel efficiency.

Excellent Reliability and Durability

KMAX Teeth & High-pressure Filtration

Durable KMAX teeth for sharpness and high-pressure in-line filtration protect the hydraulic system.

O-ring Face Seals & Electronic Devices

Working Environment

Comfortable Cab & Low Noise;Vibration

Large Comfortable Cab

Low Noise and Vibration Design

Productivity & Ecology Features

Environment-friendly Clean Engine

Key Operational Features

Large Digging Force & Work Equipment Speed

Powerful digging force and increased work equipment speed for efficient loading operations.

Heavy Lift Mode & Swing Priority Setting

10% increased lifting force with heavy lift mode and swing priority for optimized loading cycles.

Shockless Boom Control

Reliability Features

Boom Foot Hoses & O-ring Face Seal

High-pressure In-line Filtration & Metal Guard Rings

Extensive filtration system protects hydraulic components; guard rings enhance cylinder reliability.

Sturdy Undercarriage & Guards

Strengthened Quarry Bucket

KMAX Tooth and Hammerless Replacement

KMAX teeth offer superior digging and sharpness; hammerless system allows safe, quick replacement.

EMMS Self-diagnostic System

Abnormality Checking Function

Monitors system parameters to detect abnormalities and minimize downtime.

Maintenance History & Trouble Data Memory

Specifications

Hydraulic System Specifications

Drives and Brakes System

Backhoe Dimensions and Working Range

Backhoe Dimensions

Working Range Charts

Detailed charts showing digging height, depth, reach, and clearances for various boom/arm combinations.

Operating Weight and Combination

Operating Weight and Ground Pressure

Backhoe Bucket, Arm, and Boom Combination

Loading Shovel Working Range

Loading Shovel Working Range

Lifting Capacity Charts

PC800-8 Lifting Capacity

Charts detailing lifting capacities for various configurations with and without heavy lift mode.

PC800 SE-8 Lifting Capacity

Lifting capacities for the SE model, indicating ratings over front and side at different reaches.

Loading Shovel Lifting Capacity

Loading Shovel Lifting Capacity (OFF)

Lifting capacities for the loading shovel with heavy lift mode deactivated, showing ratings by reach.

Loading Shovel Lifting Capacity (ON)

Lifting capacities for the loading shovel with heavy lift mode activated, detailing load ratings.

Komatsu PC800 Specifications

General

Brand	Komatsu
Model	PC800
Category	Excavators
Language	English