PC1250-8
23Pages

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Catalog excerpts

PC1250-8 - 1

FLYWHEEL HORSEPOWER 502 kW 672 HP @ 1800 rpm OPERATING WEIGHT Backhoe: 106500–115249 kg 234,790–254,000 lb HYDRAULIC EXCAVATOR Photo may include optional equipment

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PC1250-8 - 2

WALK-AROUND Productivity Features ● Heavy Lift Mode Heavy lift mode increases lifting force by 10%. ● Large Digging Force High operation efficiency with large digging force for severe applications. ● Two-mode Setting for Boom Switch selection allows either powerful digging or smooth boom operation. ● Twin Swing Motor System provides excellent swing performance, even on slopes. ● Large Drawbar Pull and Steering Force provide excellent mobility. ● Swing Priority Mode Swing priority mode improves efficiency for loading dump trucks at 90˚ or 180˚ swing angles. ● Shockless Boom Switch selection...

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PC1250-8 - 3

PC1250LC-8 FLYWHEEL HORSEPOWER 502 kW 672 HP @ 1800 rpm OPERATING WEIGHT Backhoe 106500–115249 kg 234,790–254,000 lb BUCKET CAPACITY (SAE) Backhoe 3.4 - 6.7 m3 4.4 - 8.8 yd3 Ecology and Economy Features ● Komatsu SAA6D170E-5 Engine is EPA Tier 3 Emissions Certified • World’s first cooled EGR system with bypass-assist type electronically controlled venturi • Offers high power and low fuel consumption, while conforming to EPA Tier 3 emission regulations • Reduces NOx emissions by approximately 40% • Equipped with an electronically controlled variable speed reversible fan ● Economy Mode...

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PC1250-8 - 4

PRODUCTIVITY FEATURES Komatsu’s new “ecot3” engines are designed to deliver optimum performance under the toughest of conditions, while meeting the latest environmental regulations. This engine is EPA Tier 3, EU Stage 3A and Japan emissions certified. “ecot3” – ecology and economy combined with Komatsu technology to create a high performance engine without sacrificing power or productivity. Environment-Friendly Clean Engine The PC1250LC-8, which is equipped with the Komatsu SAA6D170E-5 engine, is USA EPA Tier 3 and EU stage 3A emission certified. The SAA6D170E-5 engine adopts the world’s...

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PC1250-8 - 5

Large Digging Force With its high engine output and efficient hydraulic system, the PC1250LC-8 demonstrates powerful digging force. Max. arm crowd force (SAE): 392 kN 44.1 US ton Max. bucket digging force (SAE): 422 kN 47.4 US ton Working Mode Selection Power and Economy Mode The PC1250LC-8 excavator is equipped with two working modes. Each mode is designed to match engine speed, Large Drawbar Pull and Steering Force pump flow, and system pressure to the current application, Since the machine has large drawbar pull and high steering force, it demonstrates excellent mobility even when...

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PC1250-8 - 6

RELIABILITY FEATURES Excellent Reliability and Durability Boom Foot Hoses High-Pressure In-line Filtration Sturdy Undercarriage The boom foot hoses are arranged under the boom foot to reduce hose bend during operation, extending hose life and improving operator safety. The PC1250LC-8 has the most extensive filtration system available, providing in-line filters as standard equipment. An in-line high pressure filter in the outlet port of each main hydraulic pump reduces failures caused by contamination. The undercarriage is strengthened to provide excellent reliability and durability when...

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PC1250-8 - 7

WORKING ENVIRONMENT The cab interior is spacious and provides a comfortable working environment… Large Comfortable Cab Comfortable Cab The PC1250LC-8’s cab offers an exceptionally comfortable operating environment. The large cab enables full flat reclining of the seat back with headrest. Pressurized Cab The automatic air conditioner, air filters and a higher internal air pressure (6.0 mm Aq 0.2" Aq) prevent external dust from entering the cab. Low Noise Design Both engine noise and swing and hydraulic relief noise are Photo mayPhoto may include optional equipment. include optional equipment...

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PC1250-8 - 8

Safety Features Step light with timer provides light for about one minute to allow the operator to exit the machine safely. Pump/engine room partition prevents oil from spraying on the engine if a hydraulic hose should burst. Seat with headrest reclined full flat Thermal and fan guards are Photo may include optional equipment placed around high-temperature parts of the engine and fan drive. Multi-Position Controls Slip-resistant plates The multi-position, PPC (proportional pressure Serrated plates on working control) levers allow the operator to work in surfaces provide improved comfort...

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PC1250-8 - 9

EASY MAINTENANCE Komatsu Designed the PC1250LC-8 for Easy Service Access Easy Checking and Maintenance After cooler Wide center walkway provides easy access to most inspection and maintenance points. In addition, inspection and maintenance points are grouped to facilitate easy engine and hydraulic component checks. Fuel tank Hydraulic driven fan Control valves 1 Swing machinery (Swing motors) Utility space 4 Hydraulic drain filter 6 Hydraulic return filters Wide Catwalk, Large Steps and Handrails Easier, safer operator cab access and maintenance checks. Easy Cleaning of Radiator The...

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PC1250-8 - 10

High-Quality EMMS Self-diagnostic System • Abnormality Checking Function If an abnormality should occur, the monitoring system checks whether hydraulic pressures, solenoid ON/OFF status, engine speed, electrical connections, etc. are within normal operating • Maintenance History Memory Function Maintenance records such as replacement of engine oil, hydraulic oil, filters, can be stored. Operator is warned when • Trouble Data Memory Function Trouble data is stored to serve as reference for future trouble- shooting. Error codes are displayed to aid in service diagnosis. Maintenance display of...

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PC1250-8 - 11

SPECIFICATIONS ENGINE Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu SAA6D170E-5 Type . . . . . . . . . . . . . . . . . . . . . 4-cycle, water-cooled, direct injection Aspiration . . . . . . . . . . . . . . . Turbocharged, aftercooled, cooled EGR Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170 mm 6.69" Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170 mm 6.69" Piston displacement . . . . . ....

Open the catalog to page 11

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