800 PC800/800LC BACKHOE

1 PC. 800. PC800/800LC -8R1 BACKHOE HORSEPOWER. PC800LC-8R1 LOADING SHOVEL. Gross: 370 kW 496 HP / 1800 min-1. Net: 363 kW 487 HP / 1800 min-1. OPERATING WEIGHT. BACKHOE : 74500 79900 kg Loading shovel: 77300 kg BUCKET CAPACITY. BACKHOE : m3. Loading shovel: m3, m3. Photos may include optional equipment. WALK-AROUND. Photos may include optional equipment. 2. HYDR AULIC EXCAVATOR PC800/800LC -8R1. PRODUCTIVITY, ECOLOGY & ECONOMY RELIABILITY & DURABILITY. High Power Komatsu SAA6D140E-5 Engine Boom Foot Hoses Economy Mode Four-level Setting O-ring Face Seals Low Ambient Noise Removed Water and Contamination in Fuel Working Mode Selection High-pressure In-line Filtration Heavy Lift Mode Highly Reliable Electronic Devices Swing Priority Mode KMAX Bucket Teeth Large Digging Force High Work Equipment speed COMFORT & SAFETY. Large Drawbar Pull and Steering Force Large Comfortable Cab Two-mode Setting for Boom OPG Top Guard Level 2 (ISO 10262).

2 Shockless Boom Control (Optional). Rear View Monitor System (Optional). * Information and Communication technology ICT* & KOMTRAX. Large Liquid Crystal Display (LCD). Monitor Equipment Management Monitoring System KOMTRAX. MAINTENANCE. Easy Checking and Maintenance of Engine Easy Cleaning of Cooling Unit Large Handrail, Step and Catwalk PC800/800LC -8R1 BACKHOE PC800LC-8R1 LOADING SHOVEL. HORSEPOWER Gross: 370 kW 496 HP / 1800 min-1 370 kW 496 HP / 1800 min-1. Net: 363 kW 487 HP / 1800 min-1 363 kW 487 HP / 1800 min-1. OPERATING WEIGHT 74500 79900 kg 77300 kg BUCKET CAPACITY m3 m3, m3. 3. PRODUCTIVITY, ECOLOGY & ECONOMY. TOTAL VEHICLE CONTROL. Komatsu technology Komatsu develops and produces all LCD color monitor major components, such as engines, electronics and hydraulic components, in house. With this Komatsu Technol- Hydraulic system controller ogy, and adding customer feedback, Komatsu is achieving great advance- ments in technology .

3 To achieve both high levels of productivity and eco- Hydraulic control valve nomical performance, Komatsu has developed the main components with a total control system. The result is a new Main pump generation of high performance and environment friendly excavators. Pump for fan Electronically controlled variable speed fan Engine Electronic control unit Heavy duty High Pressure for engine Common Rail (HPCR) system Lower and Economical Fuel Consumption Using High Power Komatsu SAA6D140E-5 Engine Economy Mode Powerful turbocharged and air-to-air aftercooled Komatsu Enables operator to set the SAA6D140E-5 engine provides 363 kW 487 HP. This Kom- Economy mode to four levels atsu SAA6D140E-5 engine is EPA Tier 2 and EU Stage according to working conditions 2 emissions equivalent. This Komatsu SAA6D140E-5 engine so that production requirement actualizes high-power is achieved at the lowest fuel to low fuel consump- consumption.

4 Tion with the opti- mum fuel injection by electronic heavy duty Low Ambient Noise High Pressure Com- mon Rail (HPCR) fuel Reduced noise by adoption of an electronically controlled vari- injection system. able speed fan drive, large hybrid fan and low-noise muffler. Electronically Controlled Variable speed Fan ECO gauge that Assists Contributes to Low Fuel Consumption and Low Noise Energy-saving Operations The electronic control system sets the revolution speed of the ECO gauge is equipped for en- cooling fan according to the coolant, hydraulic oil, and ambi- vironment friendly energy-saving ent temperature; effectively uses the engine output to prevent operations. Operation in the green wasteful fuel consumption; and reduces noise during low- range allows reduction of CO2. speed fan revolution. emission and fuel consumption. ECO gauge 4. HYDR AULIC EXCAVATOR PC800/800LC -8R1. Idling Caution Large Digging Force To prevent unnecessary fuel With the one-touch Power Max.

5 Function digging force is consumption, an idling caution further increased. (approx. seconds of operation). is displayed on the monitor if the Maximum arm crowd force (ISO 6015): engine idles for 5 minutes or more. 250 kN ( t) 273 kN ( t) % UP. (With Power Max.). Maximum bucket digging force (ISO 6015): Auto Deceleration and Auto Idling System 333 kN ( t) 364 kN ( t) % UP. (With Power Max.). Auto deceleration system is equipped to reduce fuel con- Measured with Power Max. function, 3600 mm arm and ISO 6015 rating. sumption and operating noise. Also, engine idling speed can be reduced on the monitor with the auto idling system. Work Equipment speed Working Modes Selectable An arm quick return circuit is provided for arm dumping. This returns a portion of oil flow directly to the hydraulic tank at P and E modes established work modes are further improved. arm dumping to reduce the hydrau- P mode Power or work priority mode has low fuel con- lic pressure loss.

6 Speedier loading sumption, but fast equipment speed and maximum produc- work can be accomplished by work tion and power are maintained. equipment with quicker movement. E mode Economy or fuel saving mode further reduces fuel consumption, but maintains the P-mode-like working equip- ment speed for light duty work. Large Drawbar Pull and Steering Force Work priority P P mode Since the machine has a large drawbar pull and a high steer- Fuel priority ing force, it demonstrates excellent mobility even when it is E E mode on inclined sites. Swing priority mode Heavy lift mode Two-mode Setting for Boom You can select Power or Economy modes using a one-touch Smooth mode provides easy operation for gathering blasted button on the monitor panel depending on the workload. rock and scraping operations. When maximum digging force is needed, switch to power mode for more effective excavating.. Heavy Lift Mode Power mode.

7 Gives 10% more lifting force when needed for handling rock or heavy lifting applications. Swing Priority Mode Shockless Boom Control The swing priority mode allows the operator to use the same The PC800-8R1 boom circuit features a shockless valve easy motion for 180 loading as 90 loading operations. By (Double-check slow return valve) to automatically reduces the altering the oil flow, this setting allows you to select either amount of vibration present when operating the boom. Oper- boom or Selection Result ator fatigue is reduced (Which swing as the Oil flow to the swing motor is increased. can improve safety and pro- ON . priority for 180 loading operations are most efficient. ductivity), and spillage caused . increased OFF. Oil flow to the boom is increased. by vibration is minimized. 90 loading operations are most efficient. production. 5. RELIABILITY & DURABILITY. High-pressure In-line Boom Foot Hoses Sturdy Undercarriage Filtration The boom foot hoses are arranged The PC800-8R1 has the most extensive The undercarriage is strengthened to under the boom foot to reduce hose filtration system available, providing in- provide excellent reliability and durabil- bend during line filters as standard equipment.

8 An ity when working on rocky ground or operation, in-line filter in the outlet port of each blasted rock. extending main hydraulic pump reduces failures hose life and caused by contamination. improving operator safety. Rock protectors Frame Structure Sturdy guards shield the travel mo- The revolving frame mount and center tors and piping against damage from frame mount on the swing circle are rocks. Metal Guard Rings no welding structure so that force is transmitted directly to the thick plate of Metal guard rings protect all the hy- the frame without passing through any draulic cylinders and improve reliability. welding. Metal guard ring (Cast iron ring). O-ring Face Seal Full length track roller guard The hydraulic hose seal method has (Optional). Piston ring been changed from a conventional taper seal to an O-ring seal. This pro- Wear ring vides improved sealing performance Sealed Connectors during operation.

9 Sealed connectors seal tight and have Heat-resistant Wiring higher reliability. Fuel Pre-filter (With Water Separator) Heat-resistant wiring is utilized for the engine electric circuit and other major Removes water component circuit. and contaminants from fuel to en- hance the fuel Water Separator system reliability. Removes water from the fuel and im- Circuit Breaker proves the reliability of fuel systems. With circuit breaker, the machine can High Efficiency Fuel Filter be easily restarted after repair. Fuel system reli- ability is even better with high efficiency fuel filter. 6. HYDR AULIC EXCAVATOR PC800/800LC -8R1. Strengthened Quarry Bucket Provides Outstanding Wear-resistance (Optional for SE Spec.). The PC800-8R1 has the bucket for specific use in quarry, this is strong in impact and wear, and providing high performance and long life. Komatsu KVX's hard materials* provide excellent wear resistance.

10 Combined with adoption of long-life KMAX teeth, dura- bility of bucket is drastically enhanced. QUARRY BUCKET WITH KMAX TOOTH. * Komatsu KVX's hard materials: Komatsu KVX developed, wear-resistant, rein- forced materials. Brinell hardness: 500 or more (180 Shroud: Enlarged kg/mm2 class). Features high wear-resistance and High-tensile High-tensile little quality change from the heat generated during strength steel strength steel rock loading, maintaining long term hardness. High-tensile strength steel KMAX Tooth Unique bucket tooth shape for supe- rior digging performance Long-term high sharpness Komatsu KVX's hard materials Great penetration performance Hammerless, safe, and easy tooth re- High-tensile High-tensile placement (Tooth replacement time: strength steel strength steel Half of the conventional machine.). STEP 1. Photo may include optional equipment. Observ- ing proper safety proce- dures, place tooth onto adapter (As shown).