• 184,705 - 193,025 lbs Operating Weight
  • 487 @1800 rpm Horsepower
  • 2.25 - 6 yd³ Bucket Capacity

PC800LC-8

Got mass quantities of material to move or tough conglomerate to dig through? The PC800LC-8 could be the answer you’re looking for. Economy or power working modes, smooth or power boom modes and a shockless boom mode give the operator the tools he needs to optimize the production of his machine. In a Super Digger configuration, with two arm cylinders, digging force is increased by 19%.  

Features

Eco-gauge that Assists Energy-saving Operations

Equipped with Ecogauge for environment friendly energy-saving operations. By operating in the green range, CO2 emission and fuel consumption can be reduced.

Working Modes Selectable

Power and Economy modes have been improved.
P mode – Power or work priority mode has low fuel consumption, but fast equipment speed and maximum power.
E mode – Economy or fuel saving mode further reduces fuel consumption, but maintains P-mode work equipment speed for light-duty applications.
You can easily select Power or Economy modes using the monitor panel.

Two-mode Setting for Boom

Smooth mode provides easy operation for gathering blasted rock and scraping operations. When maximum digging force is needed, switch to Power mode for more effective excavating.

Shockless Boom Control

The PC800LC-8 boom circuit features a shockless valve (double-check slow return valve) to automatically minimize the amount of vibration present when operating the boom. Operator fatigue and bucket spillage, caused by vibration, is reduced.

Large Digging Force

With the addition of the one-touch Power Max. function, digging force has been increased. (8 seconds of operation)

Maximum arm crowd force (ISO):
237 kN (24.2 t) → 260 kN (26.5 t) 9.7 % UP
(with Power Max.)

Maximum bucket digging force (ISO):
296 kN (30.2 t) → 324 kN (33.0 t) 9.7 % UP
(with Power Max.)

Work Equipment Speed Increased

Work equipment speed becomes faster with the arm quick return circuit. This returns a portion of oil directly to the hydraulic tank during arm dump to reduce hydraulic loss and increase speed.

The Super Digger

Using two arm cylinders, the arm digging force is increased by 19%, providing additional breakout in hard digging applications. The Super Digger uses a standard length front, so there is no reduction in working range.

High-Pressure In-line Filtration

An in-line filter in the outlet port of each main hydraulic pump provides an extra level of hydraulic system protection, reducing failures caused by contamination.

Wide Newly-designed Cab

The newly designed wide spacious cab includes a highback, heated seat with a reclining backrest. The seat height and longitudinal inclination are easily adjusted using a pullup lever. You can set the appropriate operational position of the armrest together with the console. Reclining the seat enables you to place it into a fully flat position with the headrest attached.

 

Multi-position Controls

The multi-position, Propor tional Pressure Control (PPC) levers allow the operator to work in comfort while maintaining precise control. A doubleslide mechanism allows the seat and control levers to move together or inde pen dently, allowing the operator to position the controls for maximum productivity and comfort.

Large Multi-Lingual LCD Monitor

A large user-friendly color monitor enables accurate and smooth work. Improved screen visibility is achieved by using a TFT liquid crystal display that can be easily read at various angles and lighting conditions. All switches are simple and easy to operate. Industry-first function keys facilitate multi-function operations. The monitor displays data in 12 languages to globally support operators around the world.

Swing Priority Mode

Allows the operator to use the same easy motion for 180° loading as for 90° loading operations. By altering the oil flow, this setting allows you to select either boom or swing as the priority for increased production.

 

Rear-view Monitoring System standard

On the large LCD color monitor, the operator can access and view one standard camera that will display areas directly behind the machine. An optional 2-camera system is available.

Specifications

Engine

EPA Tier 3 and EU stage 3A emission certified.

Model Komatsu SAA6D140E-5
Type 4-cycle, water-cooled, direct injection
Aspiration Turbocharged, aftercooled, cooled EGR
Number of cylinders 6
Bore 5.51" 140 mm
Stroke 6.50" 165 mm
Piston displacement 930 in³ 15.24 ltr
Governor All-speed, electronic
Horsepower:
SAE J1995 (Gross) 496 HP 370 kW
ISO9249 / SAE J1349 (Net) 487 HP 363 kW
Hydraulic fan at maximum speed (Net) 454 HP 338 kW
Rated rpm 1800 rpm
Fan drive type Hydraulic

Hydraulics System

Type EOLSS (Electronic Open-center Load Sensing System)
Number of selectable working modes 3
Main pump:
Type Two (2) variable capacity piston pumps
Pumps for Boom, arm, bucket, swing, and travel circuits
Maximum flow:
Main 2 x 130.5 U.S. gpm 2 x 494 ltr/min
Fan drive pump Variable capacity piston type
Hydraulic motors:
Travel Two (2) axial piston motors with parking brake
Swing Two (2) axial piston motors with swing holding brake
Relief valve setting:
Implement circuits 4,550 psi 31.4 MPa
320 kg/cm²
Travel circuit 4,980 psi 34.3 MPa
350 kg/cm²
Swing circuit 4,120 psi 28.4 MPa
290 kg/cm²
Heavy lift circuit 4,980 psi 34.3 MPa
350 kg/cm²
Pilot circuit 430 psi 2.9 MPa
30 kg/cm²
Hydraulic cylinders / Number of cylinders: bore x stroke x rod diameter bore x stroke x rod diameter
Boom / 2 7.9" x 76.8" x 5.5" 200 mm x 1950 mm x 140 mm
Arm:
Standard / 1 7.9" x 88.6" x 5.5" 200 mm x 2250 mm x 140 mm
SE / 2 7.3" x 63.4" x 4.7" 185 mm x 1610 mm x 120 mm
Bucket :
Standard / 1 7.3" x 63.4" x 5.1" 185 mm x 1610 mm x 130 mm
SE / 1 8.9" x 55.9" x 6.3" 225 mm x 1420 mm x 160 mm

Swing System

Driven methodTwo (2) hydraulic motors
Swing reductionPlanetary gear
Swing circle lubricationGrease-bathed
Swing lockOil disc brake
Swing speed6.8 rpm
Swing torque209,461 ft. lbs.28968 kg•m

Drives & Brakes

Steering control Two levers with pedals
Drive method Fully hydrostatic
Travel motor Axial piston motor, in-shoe design
Reduction system Planetary double reduction
Maximum drawbar pull 125,660 lb 559 kN 57000 kg
Gradeability 70%
Maximum travel speed:
High 2.6 mph 4.2 km/h
Low 1.7 mph 2.8 km/h
Service brake Hydraulic lock
Parking brake Oil disc brake

Service Refill Capacities

Fuel tank258.9 U.S. gal980 ltr
Radiator26.4 U.S. gal100 ltr
Engine14 U.S. gal53 ltr
Final drive, each side5.3 U.S. gal20 ltr
Swing drive6.5 x 2 U.S. gal24.5 x 2 ltr
Hydraulic tank124.2 U.S. gal470 ltr

Undercarriage

Center frameH-leg
Track frameBox-section
Track typeSealed
Track adjusterHydraulic
No. of shoes51 each side
No. of carrier rollers3 each side
No. of track rollers9 each side

Operating Weight (approximate)

Operating weight, including 8200 mm / 26'11" boom, 3600 mm / 11'10" arm, SAE heaped 3.1 m³ / 4.05 yd³ backhoe bucket, operator, lubricant, coolant, full fuel tank, and standard equipment.

ShoesOperating WeightGround Pressure
32" / 810 mm
Double grouser
185,585 lb
84180 kg
13.46 psi
0.95 kg/cm²
40" / 1010 mm
Double grouser
188,670 lb
85579 kg
10.99 psi
0.77 kg/cm²

standard

ENGINE AND RELATED ITEMS:

  • Air cleaner, double element, dry type
  • Engine, Komatsu SAA6D140E-5
  • Fuel pre-filter (10 micron) with water separator
  • Fuel primary filter (2 micron)
  • Variable speed cooling fan, hydraulic drive, reversible

ELECTRICAL SYSTEM:

  • Alternator, 90 amp, 24V
  • Auto decelerator
  • Batteries, 220 Ah, 2 x 12V
  • Horn, electric
  • Interconnected horn and warning light
  • Power supply, 12V
  • Starting motor, 11kW
  • Step light with timer
  • Work lights-2 boom, 2 cab top front, 1 cab bottom

UNDERCARRIAGE:

  • 810 mm / 32'' double grouser
  • 9 track/3 carrier rollers (each side)
  • Hydraulic track adjusters (each side)
  • Variable track gauge
  • Sealed track

GUARDS AND COVERS:

  • Radiator and oil cooler with net
  • Engine thermal guards and fan guard
  • Pump/engine room partition cover
  • Revolving frame undercover
  • Track frame center undercover (center)
  • 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, automatic air conditioner, AM-FM radio, seat belt (retractable) 78 mm 3"
  • Multi-function color monitor, full control dial, 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), level check lights (coolant and engine oil level), self-diagnostic system with trouble data memory
  • High-back suspension seat, heated
  • Cab with pull-up type front window
  • Rear-view mirrors (RH & LH)
  • Rear-view camera (1)
  • Operator Protective Guard (OPG), Level 1 top guard

HYDRAULIC CONTROLS:

  • Fully hydraulic, with Electronic Open-Center Load-Sensing (EOLSS) and engine speed sensing (pump and engine mutual control system)
  • Boom and arm holding valves (8200 mm 26'11'' std. boom only)
  • Control levers, wrist control levers for arm, boom, bucket, and swing with PPC system
  • In-line high-pressure filters
  • Heavy lift mode system
  • One axial piston motor per track for travel with counter balance valve
  • Power maximizing system
  • Shockless boom control
  • Swing priority selection system
  • Two-mode setting for boom
  • Two axial piston motors for swing with single-stage relief valve
  • Two control valves, 5+4 spools (boom, arm, bucket, swing, travel)
  • Two variable capacity piston main pumps
  • Working modes (Power & Economy w/4 settings)

DRIVE AND BRAKE SYSTEM:

  • Brakes, hydraulic lock travel brakes, oil disc parking
  • Hydrostatic two travel speed system with planetary final drive

OTHER STANDARD EQUIPMENT:

  • Automatic swing holding brake
  • Auxiliary pump drive
  • Catwalk and handrails
  • Corrosion resistor
  • Counterweight, 13600 kg / 29,975 lb
  • Grease gun, electric pump w/indicator
  • KOMTRAX
  • Large handrails
  • Lift capacity chart
  • Marks and plates, English
  • One-touch engine oil drainage
  • Paint, Komatsu standard
  • PM tune-up service connector
  • Slip-resistant plates
  • Travel alarm

optional

Arms:

  • 3600 mm / 11'10'' std. arm assembly
  • 3600 mm / 11'10'' Super Digger arm assembly
  • 4600 mm / 15'1'' arm assembly
  • 5600 mm / 18'4'' arm assembly
  • 2945 mm / 9'8'' SE arm assembly

Booms:

  • 8200 mm / 26'11'' std. boom assembly
  • 8040 mm / 26'5'' Super Digger boom assembly
  • 7100 mm / 23'4'' SE boom assembly

Shoes:

  • 1010 mm / 40'' double grouser

Other:

  • Additional rear-view camera (1) RH side
  • Counterweight removal device
  • Full length track roller guard
  • OPG front guard, Level 2
  • OPG top guard, Level 2
  • Rain visor
  • Service valve (removes holding valves)
  • Sun visor