PC490LCi-11
رقم القطعة: KOMATSU-PC490LCI-11
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الوصف
PC490LCi-11
المواصفات
| Horsepower (HP) | 359 HP @ 1,900 rpm |
|---|---|
| Horsepower (kW) | 268 kW @ 1 900 rpm |
| Gradeability | 70%, 35° |
| Operating weight (kg) | 47 930 – 48 920 |
| Operating weight (lbs) | 105,670 - 107,850 |
| Number of track rollers (each side) | 8 |
| Number of shoes (each side) | 49 |
| Number of carrier rollers (each side) | 2 |
| Engine model | Komatsu SAA6D125E-7* |
| Aspiration | Komatsu Variable Geometry Turbocharger with air-to-air aftercooled EGR |
| Number of cylinders | 6 |
| Piston displacement (L) | 11.04 |
| Piston displacement (in^3) | 674 |
| Governor | All-speed control, electronic. |
| SAEJ1995 - Gross (kW) | 270 |
| SAEJ1995 - Gross (HP) | 362 |
| ISO 9249 / SAE J1349 - Net (HP) | 359 |
| Fuel tank (US gal) | 172 |
| Fuel tank (L) | 650 |
| Coolant (US gal) | 12.4 |
| Coolant (L) | 47 |
| Final drive (US gal) | 2.9 |
| Final drive (L) | 11 |
| Hydraulic tank (L) | 248 |
| Hydraulic tank (US gal) | 65.5 |
| Bucket capacity (m^3) | 1.12 - 3.17 |
| Bucket capacity (yd^3) | 1.47 - 4.15 |
| Variable Type | Variable displacement axial piston type |
| Maximum flow (US gpm) | 206 |
| Maximum flow (L/min) | 780 |
| HydrauMind Type | HydrauMind (Hydraulic Mechanical Intelligence) system, closed-center system with load sensing valve and pressure compensated valves, 6 selectable working modes |
| Gear Type | Variable displacement axial piston type |
| Main pumps for | Boom, arm, bucket, swing, and travel circuits |
| Implement circuits (psi) | 5,400 |
| Travel circuit (psi) | 5,400 |
| Swing circuit (psi) | 4,050 |
| Implement circuits (MPa) | 37.3 |
| Pilot circuit (psi) | 470 |
| Boom (Number of cylinders – bore x stroke x rod diameter)(mm) | 160 x 1 570 x 110 |
| Implement circuits (kgf/cm^2) | 380 |
| Boom (Number of cylinders – bore x stroke x rod diameter)(in) | 6.3 x 61.8 x 4.3 |
| Arm (Number of cylinders – bore x stroke x rod diameter)(mm) | 185 x 1 820 x 120 |
| Arm (Number of cylinders – bore x stroke x rod diameter)(in) | 7.3 x 71.7 x 4.7 |
| Bucket (Number of cylinders – bore x stroke x rod diameter)(mm) | 160 x 1 270 x 110 |
| Pilot circuit (kgf/cm^2) | 33 |
| Bucket (Number of cylinders – bore x stroke x rod diameter)(in) | 6.3 x 50 x 4.3 |
| Pilot circuit (MPa) | 3.2 |
| Swing circuit (kgf/cm^2) | 285 |
| Swing circuit (MPa) | 27.9 |
| Travel circuit (kgf/cm^2) | 380 |
| Travel circuit (MPa) | 37.3 |
| Travel | 2 x axial piston motor with parking brake |
| Swing | 1 x axial piston motor with swing holding brake |
| Drive method type | Hydrostatic |
| Maximum drawbar pull (kgf) | 33 510 |
| Maximum drawbar pull (lbs) | 73,880 |
| Service brake type | Hydraulic lock |
| Parking brake | Mechanical disc brake |
| High (mph) | 3.4 |
| High (kph) | 5.5 |
| Low (kph) | 3 |
| Low (mph) | 1.9 |
| Swing reduction | Planetary gear |
| Holding brake/Swing lock | Mechanical disc brake |
| Swing speed (rpm) | 9 |
| Operating weight features (ft) | Operating weight includes 23 ft. 2 in one-piece HD boom, 11 ft. 1 in arm, SAE heaped 2.94 yd3 bucket, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment. |
| Operating weight features (mm) | Operating weight includes 7 060 mm one-piece HD boom, 3 380 mm arm, SAE heaped 2.25 m3 bucket, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment. |
| Cooling Type | Water-cooled, 4-cycle, direct injection |
| Bore (mm) | 125 |
| Bore (in) | 4.92 |
| Stroke (in) | 5.91 |
| Stroke (mm) | 150 |
| Engine Rated (rpm) | 1,900 |
| Fan drive method for radiator cooling | Hydraulic |
| ISO 9249 / SAE J1349 - Net (kW) | 268 |
| Engine (L) | 38 |
| Engine (US gal) | 10 |
| Center frame | X-frame |
| Track frame | Box-section |
| Track adjuster | Hydraulic |
| Seal of track | Sealed |
| Swing torque (kg-m) | 13 414 |
| Swing torque (ft-lbs) | 97,024 |
| Ground pressure with triple-grouser shoes 28 in (psi) | 10.38 |
| Swing drive (L) | 20 |
| Swing drive (US gal) | 5.3 |
| Operating weight with triple-grouser shoes 28 in (lbs) | 105,670 |
| Operating weight with triple-grouser shoes 700 mm (kg) | 47 930 |
| DEF tank (US gal) | 10.3 |
| DEF tank (L) | 39 |
| Exterior – ISO 6395 (dB(A)) | 105 |
| Operator – ISO 6396 (dB(A)) | 76 |
| Ground pressure with triple-grouser shoes 700 mm (kg/cm^2) | 0.73 |
| Ground pressure with triple-grouser shoes 800 mm (kg/cm^2) | 0.65 |
| Ground pressure with triple-grouser shoes 31.5 in (psi) | 9.2 |
| Ground pressure with triple-grouser shoes 900 mm (kg/cm^2) | 0.58 |
| Operating weight with triple-grouser shoes 800 mm (kg) | 48 430 |
| Operating weight with triple-grouser shoes 900 mm (kg) | 48 920 |
| Mid (mph) | 2.6 |
| Mid (kph) | 4.2 |
| Operating weight with triple-grouser shoes 31.5 in (lbs) | 106,770 |
| Ground pressure with triple-grouser shoes 35.5 in (psi) | 8.32 |
| Operating weight with triple-grouser shoes 35.5 in (lbs) | 107,850 |
