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Komatsu PC800 User Manual

Komatsu PC800
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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
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Komatsu PC800 Specifications

General IconGeneral
BrandKomatsu
ModelPC800
CategoryExcavators
LanguageEnglish

Summary

Standard Equipment

Engine and Electrical Systems

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

Hydraulic Controls

Control Systems and Features

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

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.

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.

Working Environment

Productivity & Ecology Features

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.

Reliability Features

High-pressure In-line Filtration & Metal Guard Rings

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

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.

Specifications

Backhoe Dimensions and Working Range

Working Range Charts

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

Operating Weight and Combination

Loading Shovel Working Range

Lifting Capacity Charts

PC800-8 Lifting Capacity

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

PC800SE-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.

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