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Wide, spacious pressurized cab
High-back heated air suspension seat with reclining backrest
Adjustable armrests and console
Low cab noise and vibration with cab damper mounting
Automatic climate control and air conditioning
Sliding left-side window
Large skylight with sliding sunshade
Auxiliary input jack, handling radio, ashtray
Cup holder, magazine box, washable floor mat
Sun shield, defroster, windshield washer and intermittent wiper
Secondary engine shutdown
Large 7-inch high-resolution LCD color monitor
Redesigned monitor interface with visual icon-based menus
Ecology guidance system with real-time fuel efficiency feedback
Ecology gauge and fuel consumption gauge
Operation record and fuel consumption history display
Auto-decelerator and working mode indicators
Service meter, clock, temperature and fuel gauges
Operator Identification System with individual ID codes
Monitor-integrated camera displays
KomVision bird’s-eye view camera system (standard)
Four-camera setup: front right, rear right, left rear, rear view
Operator Protective Guard (OPG) cab
Level 1 top guard compliant with ISO 12117-2
Level 2 cab top guard compliant with ISO 10262
Low operator sound level
Handrails on upper structure and walkways
Service walkway lighting
Tie-off points for safety harnesses (ISO 14567)
Komatsu SAA6D170E-7 Tier 4 Final diesel engine
Variable Geometry Turbocharger (VGT), water-cooled and hydraulic
Cooled Exhaust Gas Recirculation (EGR) system
Komatsu Diesel Particulate Filter (KDPF)
No SCR system and no Diesel Exhaust Fluid required
Heavy-duty High Pressure Common Rail fuel injection
Closed Crankcase Ventilation (KCCV)
Electronic engine control system
Auto Idle function
Auto Idle Shutdown (programmable 5 to 60 minutes)
Hydraulically driven variable-speed cooling fan
Reversible fan for radiator and cooler cleaning
Fuel pre-filters with water separators
Advanced fuel injection timing for reduced consumption
Open-center Load Sensing System (OLSS)
Variable capacity piston hydraulic pumps
Power Plus (P+) mode with up to 8 percent productivity increase
Lift mode with up to 10 percent hydraulic pressure boost
Two working modes: Power Plus and Lift
Boom mode settings: Power mode and Smooth mode
Swing Priority mode with selectable oil flow priority
Shockless boom control with cushioning valves
Fine multi-function hydraulic operation
Heavy-duty boom and arm with reinforced bulkheads and castings
High tensile strength steel structures
Large cross-sectional boom design
Wide arm with wear plates and dent preventive plates
Metal guard rings on hydraulic cylinders
Heavy-duty undercarriage with large track pitch
Track motor guards for rock and debris protection
Rear service aisle with grouped maintenance points
Wide center walkway for inspection access
Battery disconnect switch with lockout and tagout
Air-powered grease pump with hose reel
Hydraulic return filter blockage sensors
Long-life oils and extended service intervals
Hinged A/C condenser and fuel cooler for easy cleaning
Electric priming pump
Dust indicator with multi-step indication
KOMTRAX telematics system standard, no subscription fees
Real-time location, utilization, and maintenance data
Wireless and satellite data transmission
KOMTRAX Plus with monitoring of 123 machine parameters
Remote diagnostics and machine health tracking
Fuel consumption and operational analysis reports
Automatic alerts and maintenance reminders
Hydraulically operated 45-degree access stairway (optional)
Auto machine stop if stairway is not retracted
Large left-side walkway with handrails
Upper structure handrails for service access
Model…………………………………………….Komatsu SAA6D170E-7*
Type……………………………Water-cooled, 4-cycle, direct injection
Aspiration……………….. Turbocharged, aftercooled, cooled, EGR
Number of cylinders……………………………………………………….. 6
Bore…………………………………………………………… 170 mm 6.69″
Stroke………………………………………………………….170 mm 6.69″
Piston displacement…………………………………..23.15 ltr 1413 in3
Horsepower:
SAE J1995…………………………………….Gross 578 kW 775 HP
ISO 9249 / SAE J1349………………………Net 565 kW 758 HP
Rated rpm……………………………………………………………. 1800
Hydraulic fan at maximum speed……………. Net 519 kW 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 494 ltr/min
2 x 130.5 gal/min
Maximum flow swing……. 1 x 600 ltr/min 1 x 158.5 gal/min
Sub-pump for control circuit ……………………………. Gear type
Fan drive pump …………………..Variable-capacity piston type
Hydraulic motors:
Travel……………….. 2 x axial piston motors with parking brake
Swing……… 2 x axial piston motors with swing holding brake
Relief valve setting:
Implement circuits…………. 31.4 MPa 320 kgf/cm2 4,550 psi
Travel circuit…………………. 34.3 MPa 350 kgf/cm2 4,980 psi
Swing circuit…………………. 29.4 MPa 300 kgf/cm2 4,267 psi
Pilot circuit………………………….. 3.1 MPa 33 kgf/cm2 455 psi
Hydraulic cylinders:
(Number of cylinders – bore x stroke x rod diameter)
Boom….. 2–225 mm x 2390 mm x 160 mm 8.9″ x 94.1″ x 6.3″
Arm……… 1–250 mm x 2435 mm x 170 mm 9.8″ x 95.9″ x 6.7″
Bucket:
Standard.. 2–160 mm x 1825 mm x 115 mm 6.3″ x 71.8″ x 4.5″
SP…………2–160 mm x 1950 mm x 115 mm 6.3″ x 76.8″ x 4.5″
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………………………………..406.1 kN•m 299,524 lb-ft
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………….. 686 kN 70000 kgf 154,320 lbf
Gradeability………………………………………………………… 70%, 35°
Maximum travel speed:
High…………………… 3.3 km/h 2.0 mph
Low……………………. 2.3 km/h 1.5 mph
Service brake………………………………………………..Hydraulic lock
Parking brake…………………………………………………Oil disc brake
Center frame……………………………………………………………..H-leg
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
Fuel tank……………………………………….. 1,360 ltr 359.3 U.S. gal
Coolant……………………………………………… 142 ltr 37.5 U.S. gal
Engine…………………………………………………. 86 ltr 22.7 U.S. gal
Final drive, each side………………………………..21 ltr 5.5 U.S. gal
Swing drive………………………………………. 2 x 20 ltr 5.3 U.S. gal
Hydraulic tank…………………………………… 670 ltr 177.0 U.S. gal
Mass Excavation:
PC1250SP-11: Operating weight, including 25’7″ 7800 mm
boom, 11’2″ 3400 mm arm, 6.7 m³ 8.8 yd3 bucket, track roller
guard, operator, lubricant, coolant, full fuel tank, and standard
equipment.
Backhoe:
PC1250LC-11: Operating weight, including 29’10” 9100 mm
boom, 11’2″ 3400 mm arm, 5.0 m³ 6.5 yd3 bucket, operator,
lubricant, coolant, full fuel tank, and standard equipment.
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