PC1250LC-11
رقم القطعة: KOMATSU-PC1250LC-11
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الوصف
PC1250LC-11
المواصفات
| Horsepower (HP) | 758 HP @ 1,800 rpm |
|---|---|
| Horsepower (kW) | 565 kW @ 1 800 rpm |
| Gradeability | 70%, 35° |
| Operating weight (kg) | 122 152 - 123 649 |
| Operating weight (lbs) | 269,300 - 272,600 |
| Number of track rollers (each side) | 8 |
| Number of shoes (each side) | 48 |
| Number of carrier rollers (each side) | 3 |
| Engine model | Komatsu SAA6D170E-7* |
| Aspiration | Turbocharged, aftercooled, cooled, EGR |
| Number of cylinders | 6 |
| Piston displacement (L) | 23.15 |
| Piston displacement (in^3) | 1,413 |
| Governor | All-speed control, electronic |
| SAEJ1995 - Gross (kW) | 578 |
| SAEJ1995 - Gross (HP) | 775 |
| ISO 9249 / SAE J1349 - Net (HP) | 758 |
| Fuel tank (US gal) | 359.3 |
| Fuel tank (L) | 1 360 |
| Coolant (US gal) | 37.5 |
| Coolant (L) | 142 |
| Final drive (US gal) | 5.5 |
| Final drive (L) | 21 |
| Hydraulic tank (L) | 670 |
| Hydraulic tank (US gal) | 177 |
| Bucket capacity (m^3) | 4.1-7.3 |
| Bucket capacity (yd^3) | 5.3-9.5 |
| Variable Type | Variable capacity piston |
| HydrauMind Type | Open-center load sensing system, 1 selectable working mode |
| Implement circuits (psi) | 4,550 |
| Travel circuit (psi) | 4,980 |
| Swing circuit (psi) | 4267 |
| Implement circuits (MPa) | 31.4 |
| Pilot circuit (psi) | 455 |
| Boom (Number of cylinders – bore x stroke x rod diameter)(mm) | 225 x 2 390 x 160 |
| Implement circuits (kgf/cm^2) | 320 |
| Boom (Number of cylinders – bore x stroke x rod diameter)(in) | 8.9 x 94.1 x 6.3 |
| Arm (Number of cylinders – bore x stroke x rod diameter)(mm) | 250 x 2 435 x 170 |
| Arm (Number of cylinders – bore x stroke x rod diameter)(in) | 9.8 x 95.9 x 6.7 |
| Pilot circuit (kgf/cm^2) | 33 |
| Pilot circuit (MPa) | 3.1 |
| Swing circuit (kgf/cm^2) | 300 |
| Swing circuit (MPa) | 29.4 |
| Travel circuit (kgf/cm^2) | 350 |
| Travel circuit (MPa) | 34.3 |
| Travel | 2 x axial piston motors with parking brake |
| Swing | 2 x axial piston motors with swing holding brake |
| Drive method type | Fully hydrostatic |
| Service brake type | Hydraulic lock |
| Parking brake | Oil disc brake |
| High (mph) | 2 |
| High (kph) | 3.3 |
| Low (kph) | 2.3 |
| Low (mph) | 1.5 |
| Swing reduction | Planetary gear |
| Holding brake/Swing lock | Mechanical disc brake |
| Swing speed (rpm) | 5.8 |
| Operating weight features (ft) | 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 |
| Operating weight features (mm) | PC1250LC-11: Operating weight, including 9 100 mm boom, 3 400 mm arm, 5.0 m³ bucket, operator, lubricant, coolant, full fuel tank, and standard equipment. |
| Cooling Type | Water-cooled, 4-cycle, direct injection |
| Bore (mm) | 170 |
| Bore (in) | 6.69 |
| Stroke (in) | 6.69 |
| Stroke (mm) | 170 |
| Engine Rated (rpm) | 1,800 |
| Fan drive method for radiator cooling | Hydraulic |
| ISO 9249 / SAE J1349 - Net (kW) | 565 |
| Engine (L) | 86 |
| Fan at maximum speed - Net (HP) | 696 |
| Engine (US gal) | 22.7 |
| Fan at maximum speed - Net (kW) | 519 |
| Center frame | H-leg |
| Track frame | Box-section |
| Track adjuster | Hydraulic |
| Seal of track | Sealed |
| Drive method | 2 x hydraulic motors |
| Service brake | Oil disc brake |
| Swing circle lubrication | Grease-bathed |
| Swing torque (ft-lbs) | 299,524 |
| Swing drive (L) | 2 x 20 |
| Swing drive (US gal) | 2 x 5.3 |
| Maximum drawbar pull (lbf) | 154,320 |
| Exterior – ISO 6395 (dB(A)) | 109.9 |
| Operator – ISO 6396 (dB(A)) | 68.5 |
| Sub-pump for control circuit | Gear type |
| Swing torque (kN/m) | 406.1 |
| Maximum flow implement and travel (L/min) | 2 x 494 |
| Maximum flow implement and travel (gpm) | 2 x 130.5 |
| Maximum flow swing (gpm) | 1 x 158.5 |
| Maximum flow swing (L/min) | 1 x 600 |
| SP / 2 (in) | 6.3 x 76.8 x 4.5 |
| SP / 2 (mm) | 160 x 1 950 x 115 |
| Standard / 2 (mm) | 160 x 1 825 x 115 |
| Standard / 2 (in) | 6.3 x 71.8 x 4.5 |
| Ground pressure with double-grouser shoes 1 000 mm (kg/cm^2) | 0.95 |
| Ground pressure with double-grouser shoes 39.4 in (psi) | 13.45 |
| Operating weight with double-grouser shoes 39.4 in (lbs) | 269,300 |
| Operating weight with double-grouser shoes 1 000 mm (kg) | 122 409 |
| Ground pressure with double-grouser shoes 47.25 in (psi) | 11.35 |
| Travel motor | Axial piston motor, in-shoe design |
| Ground pressure with double-grouser shoes 1 200 mm (kg/cm^2) | 0.80 |
| Number of Long Undercarriage shoes (each side) | 55 |
| Number of Long Undercarriage track rollers (each side) | 10 |
| Operating weight with double-grouser shoes 47.25 in (lbs) | 272,600 |
| Operating weight with double-grouser shoes 1 200 mm (kg) | 11.35 |
