Horsepower 758 HP @ 1,800 rpm
Operating weight 269,300 - 272,600 lbs.
Bucket capacity 5.3-9.5 yd³
Power and performance.
Get power and versatility with long boom and three arm options for extended reach and depth. Ideally suited for large general construction projects or deep underground utility work, this machine offers excellent digging performance for your tough jobs.

13% more HP and up to 8% increase in performance* Versatility with two application configurations Exceptional operator awareness Designed for serviceability

Features and benefits
Powerful engine
13% more HP and up to 8% greater productivity*. A Tier 4 Final-compliant engine without requiring diesel exhaust fluid or a selective catalytic converter. Auto idle shutdown timer and thermostatically controlled variable speed cooling fan.

Reinforced structures
Withstand tough applications with strengthened revolving, center and crawler frames. Large cross-section structures use high-tensile-strength steel to increase durability and resistance to bending and torsional stresses.

Improved serviceability
Gain easy access to engine, hydraulic system and maintenance service areas with center and large left side walkways. Engine air cleaners have been relocated outside the engine compartment for easy access.

Enhanced cab
Keep your operators comfortable with a large pressurized cab that comes with a 7-inch color monitor and fully adjustable, heated air-suspension seat. Optional 45° hydraulic access ladder for ease of operator entry and exit.

Enhanced hydraulic system
Smarter hydraulics with increased flow at higher pressures and new EPC valves improve machine logic to match working loads.* New filter by-pass sensors monitor system health and alert operators if clogging conditions exist.

Improved operator awareness
Standard KomVision -camera system provides a bird's-eye view of the surrounding area for improved operator situational awareness.* Komtrax Plus enables expanded monitoring of the fleet via satellite and wireless LAN.

Specifications for PC1250LC-11
Model Komatsu SAA6D170E-7* Type Water-cooled, 4-cycle, direct injection Aspiration Turbocharged, aftercooled, cooled, EGR Number of cylinders 6 Bore 6.69 in Stroke 6.69 in Piston displacement 1,413 in³ Governor All-speed, electronic Horsepower: SAE J1995 - Gross 775 HP ISO 9249 / SAE J1349 - Net 758 HP Rated rpm 1,800 rpm Hydraulic fan at maximum speed - Net 696 HP Governor All-speed control, electronic Fan drive method for radiator cooling Hydraulic *EPA Tier 4 Final emissions certified

Type Open-center load sensing system, 1 selectable working mode Main pump: Type Variable capacity piston Maximum flow implement and travel 2 x 130.5 gpm Maximum flow swing 1 x 158.5 gpm Sub-pump for control circuit Gear type Fan drive pump Variable-capacity piston type Hydraulic motors: Gear pump Travel 2 x axial piston motors with parking brake Swing 2 x axial piston motors with swing holding brake Relief valve setting: Implement circuits 4,550 psi Travel circuit 4,980 psi Swing circuit 4,267 psi Pilot circuit 455 psi Hydraulic cylinders: Cylinder / Number of cylinders bore x stroke x rod diameter bore x stroke x rod diameter Boom / 2 8.9 x 94.1 x 6.3 in Arm / 1 9.8 x 95.9 x 6.7 in Bucket: Standard / 2 6.3 x 71.8 x 4.5 in SP / 2 6.3 x 76.8 x 4.5 in

Drives and Brakes
Steering control Two levers with pedals Drive method Fully hydrostatic Travel motor Axial piston motor, in-shoe design Reduction system Planetary triple reduction Maximum drawbar pull 154,320 lbf. Gradeability 70%, 35° Maximum travel speed: High 2.0 mph Low 1.5 mph Service brake Hydraulic lock Parking brake Oil disc brake

Swing System
Drive method 2 x hydraulic motors Swing reduction Planetary gear Swing circle lubrication Grease-bathed Service brake Oil disc brake Holding brake/swing lock Mechanical disc brake Swing speed 5.8 rpm Swing torque 299,524 lbs.-ft.

Center frame H-leg frame Track frame Box-section Track type Sealed Track adjuster Hydraulic Number of carrier rollers (each side) 3 Number of shoes (each side): Standard, SP 48 Long undercarriage 55 Number of track rollers (each side): Standard, SP 8 Long undercarriage 10 Coolant and Lubricant Capacity (refilling) Fuel tank 359.3 US gal Coolant 37.5 US gal Engine 22.7 US gal Final drive, each side 5.5 US gal Swing drive 2 x 5.3 US gal Hydraulic tank 177.0 US gal Sound Performance Exterior ISO 6395 109.9 dB(A) Operator ISO 6396 68.5 dB(A)

Operating Weight (Approximate)
PC1250LC-11: Operating weight, including 29 ft. 10 in boom, 11 ft. 2 in arm, 6.5 yd³ bucket, operator, lubricant, coolant, full fuel tank, and standard equipment.

PC1250LC-11 Gauge
Double-Grouser Shoes Operating Weight Ground Pressure (ISO 16754) 39.4 in 269,300 lbs. 13.45 psi 47.25 in 272,600 lbs. 11.35 psi

Support you can count on
My Komatsu
Access and manage all your machine telematics data, parts manuals, service manuals, software and parts ordering information from a single source anywhere, anytime.

Right-sizing your fleet
A four part process to help customers finish jobs on time and in the black

Warranty programs
Experience the peace of mind that comes with Komatsu's warranty. Komatsu offers a standard warranty on all machines - plus extended coverage options that help extend the life of your investment.

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