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Komatsu PC400-8 User Manual

Komatsu PC400-8
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SPECIAL PURPOSE BUCKET
OPTIONAL EQUIPMENT
STANDARD EQUIPMENT
www.Komatsu.com
CEN00223-01 Materials and specifications are subject to change without notice.
is a trademark of Komatsu Ltd. Japan.
Printed in Japan 200804 IP.As(10)
Alternator, 50 Ampere, 24V
Anti-slip plates
Auto-decel
Automatic engine warm-up system
Batteries, 110 Ah/2 x 12V
Boom holding valve
Cab, capable OPG (OPG) with optional
bolt-on top guard
Corrosion resistor
Counterweight, 9220kg 20,330lb
Dry type air cleaner, double element
Electric horn
Engine, Komatsu SAA6D125E-5
Engine overheat prevention system
Fan guard structure
Fuel pre-filter (with water separator)
Hydraulic track adjusters (each side)
Multi-function color monitor
Power maximizing system
PPC hydraulic control system
Radiator & oil cooler dust proof net
Rear reflector
Rear view mirror (RH, LH)
Seat belt, retractable
Track guiding guard, center section
Track roller
—PC400-8, 7 each side
—PC400LC-8, 8 each side
Track shoe
—PC400-8, 600 mm 24" triple grouser
PC400LC-8, 700 mm 28" triple grouser
Travel alarm
Two settings for boom
Working light, 2 (boom and RH)
Working mode selection system
Air conditioner with defroster,
hot & cool box
Alternator, 60 ampere, 24 V
Arms
2400 mm 7'10" arm assembly
2900 mm 9'6" arm assembly
3380 mm 11'1" arm assembly
4000 mm 13'1" arm assembly
4800 mm 15'9" arm assembly
Batteries, 140 Ah/2 x 12 V
Bolt-on top guard, (Operator Protective
Guards level 2 (OPG))
Boom, 7060 mm 23'2"
Cab accessories
—Rain visor
—Sun visor
Cab front guard
—Full height guard
—Half height guard
Heater with defroster
Long lubricating intervals for implement
bushings
Rear view mirror (rear and sidewise)
Rear view monitoring system
Seat, suspension
Seat, suspension with heater
Service valve
Shoes, triple grouser shoes
—PC400-8
700 mm 28", 800 mm 31.5"
—PC400LC-8
600 mm 24", 800 mm 31.5"
Track roller guards (full length)
Track frame undercover
Variable track gauge
Working lights (2 on cab)
Ripper bucket for hard and rock ground
—Capacity
SAE heaped 1.1 m
3
1.44 yd
3
CECE heaped 1.0 m
3
1.31 yd
3
Width 1250 mm 49.2"
Single-shank ripper is recommended for
rock-digging and crushing, hard soil
digging, pavement removal works, etc.
Photo may include optional equipment.
PC400-8
PC400LC-8
PC
400
FLYWHEEL HORSEPOWER
Gross: 270 kW 362 HP @ 1900 rpm
Net: 257 kW 345 HP @ 1900 rpm
OPERATING WEIGHT
PC400-8: 41740– 42590 kg
92,020– 93,890 lb
PC400LC-8: 42290– 43200 kg
93,230– 95,240 lb
HYDRAULIC EXCAVATOR
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Komatsu PC400-8 Specifications

General IconGeneral
BrandKomatsu
ModelPC400-8
CategoryExcavators
LanguageEnglish

Summary

Productivity Features

High Production and Low Fuel Consumption

High power, working performance and fuel efficiency improve production and fuel costs.

Excellent Machine Stability

Large counterweight offers superior machine stability and balance.

Large Digging Force

Pressing the Power Max function button temporarily increases the digging force 7%.

Two-mode Setting for Boom

Switch selection allows either powerful digging or smooth boom operation.

Large TFT LCD Monitor

Easy-to-see and use 7" large multi-function color monitor, displayed in 12 languages.

Safety Design

Cab dedicated to hydraulic excavator for protecting the operator in the event of machine rolls over.

Variable Track Gauge (Optional)

Greatly increases lateral stability and complies with transportation regulations.

Easy Maintenance

Easy Access and Features

Features like long oil/filter intervals, fuel pre-filter, side-by-side radiator/oil cooler, and EMMS.

Ecology and Economy Features

Low Emission Engine

Komatsu SAA6D125E-5 engine meets EPA Tier 3 and EU Stage 3A emission regulations.

Economy Mode

Economy mode saves fuel consumption.

Low Operation Noise

Features designed to minimize operational noise.

Large Comfortable Cab

Cab Design and Features

Low-noise, low-vibration cab with optional AC, adjustable seat, and ergonomic controls.

Komatsu Technology

Integrated Component Development

Komatsu develops and produces all major components in-house for a total control system.

Environment-friendly Clean Engine

Komatsu SAA6D125E-5 engine meets EPA Tier 3 and EU Stage 3A emission regulations.

Low Operation Noise

Low noise operation achieved through engine design and noise reduction methods.

Excellent Machine Stability

Large counterweight provides superior machine stability and balance.

Working Modes Selectable

P Mode (Power/Work Priority)

Maximizes production and power while maintaining fast cycle times.

E Mode (Economy/Fuel Priority)

Reduces fuel consumption while maintaining work equipment speed.

Large Digging Force

Power Max Function

One-touch function temporarily increases digging force by 7% for 8.5 seconds.

Eco-gauge

Energy-saving Operation Guidance

Eco-gauge on monitor assists energy-saving operations for reduced CO2 and fuel consumption.

Smooth Loading Operation

Two Return Hoses

Two return hoses improve hydraulic performance, providing smooth arm out function.

Two-mode Setting for Boom

Smooth vs. Power Mode

Switch between modes for easy operation (smooth) or maximum digging force (power).

Working Environment

Cab Design

Newly-designed wide, rigid, and sound-absorbing cab with reclining seat and adjustable posture.

Low Cab Noise

Highly rigid cab with sound absorption, low-noise engine and hydraulic equipment.

Low Vibration with Cab Damper Mounting

Viscous damper mounting with springs reduces vibration at operator seat.

Pressurized Cab

Optional AC and higher internal air pressure prevent external dust entry.

Automatic Air Conditioner (Optional)

Precise cab atmosphere control with bi-level function and defroster.

Safety Features

Cab Dedicated to Hydraulic Excavator

Reinforced pipe-structured cab frame provides high durability and impact resistance.

Lock Lever

Locks hydraulic pressure and ensures neutral start for safety.

Pump/Engine Room Partition

Prevents oil spray onto the engine if a hydraulic hose fails.

Anti-slip Plates

Durable anti-slip plates provide superior traction performance.

Thermal and Fan Guards

Guards placed around high-temperature engine and fan drive parts.

Maintenance Features

Easy Access to Components

Easy access to engine oil filter, fuel drain valve, and other maintenance points.

Fuel Pre-filter with Water Separator

Removes water and contaminants from fuel to prevent engine problems.

Large Capacity Air Cleaner

Extends air cleaner life during long-term operation and prevents power decrease.

Long-life Oil and Filters

Uses high-performance materials for extended oil and filter replacement intervals.

Large Fuel Tank Capacity

Extends operating hours before refueling with rust-proofed tank.

High Pressure In-line Filter

Protects hydraulic system from contamination with in-line filters.

Easy Radiator Cleaning

Side-by-side radiator and oil cooler arrangement allows easy cleaning and removal.

Specifications

Engine and Swing System

Details on engine model, aspiration, displacement, horsepower, and swing system components.

Undercarriage

Specifications for track gauge, shoe width, number of rollers and shoes.

Dimensions

Overall length, height, width, ground clearance, and tail swing radius measurements.

Working Range

Max digging height, depth, reach, and vertical wall digging depth for various boom/arm combinations.

Coolant and Lubricant Capacity

Capacities for fuel tank, coolant, engine oil, final drive, and hydraulic tank.

Operating Weight

Approximate operating weight and ground pressure for PC400-8 and PC400LC-8.

Backhoe Bucket, Arm, and Boom Combination

Table detailing bucket capacity, width, weight, and suitability for different arm lengths.

Drives and Brakes

Specifications for steering control, drive method, drawbar pull, travel speed, service, and parking brake.

Lifting Capacity

Lifting Capacity Data Table

Provides lifting capacity in kg for various reach and height configurations for PC400-8.

Lifting Capacity

Lifting Capacity Data Table (Continued)

Provides lifting capacity in kg for various reach and height configurations for PC400LC-8.

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