PC78US-11
رقم القطعة: KOMATSU-PC78US-11
لا يعرض أي بائع سعرًا لهذا المنتج بعد.
للطلب والدفع استخدم تطبيق ENG.
الوصف
PC78US-11
المواصفات
| Horsepower (HP) | 68 HP @ 1,850 rpm |
|---|---|
| Horsepower (kW) | 51 kW @ 1 850 rpm |
| Operating weight (kg) | 7 910 - 8 250 |
| Operating weight (lbs) | 17,438 - 18,188 |
| Number of track rollers (each side) | 5 |
| Number of shoes (each side) | 39 |
| Number of carrier rollers (each side) | 1 |
| Engine model | Komatsu SAA3D95E-1* |
| Aspiration | Turbocharged, aftercooled, cooled EGR |
| Number of cylinders | 3 |
| Piston displacement (L) | 2.45 |
| Piston displacement (in^3) | 149.5 |
| Governor | All-speed control, electronic |
| SAEJ1995 - Gross (kW) | 50.7 |
| SAEJ1995 - Gross (HP) | 68 |
| ISO 9249 / SAE J1349 - Net (HP) | 67.9 |
| Fuel tank (US gal) | 33 |
| Fuel tank (L) | 125 |
| Final drive (US gal) | 0.29 |
| Final drive (L) | 1.1 |
| Hydraulic tank (L) | 56 |
| Hydraulic tank (US gal) | 14.8 |
| Bucket capacity (m^3) | 0.09 - 0.20 |
| Bucket capacity (yd^3) | 0.12 - 0.26 |
| Number of selectable working modes | 6 |
| Pumps for | Blade |
| Variable Type | Variable displacement, axial piston |
| Maximum flow (US gpm) | 44.4 |
| Maximum flow (L/min) | 168 |
| HydrauMind Type | HydrauMind (Hydraulic Mechanical Intelligence New Design) system, closed-center system with load-sensing valves and pressure-compensated valves |
| Gear Type | Fixed displacement gear |
| Main pumps for | Boom, arm, bucket, and travel circuits |
| Implement circuits (psi) | 4,264 |
| Travel circuit (psi) | 4,337 |
| Swing circuit (psi) | 3,176 |
| Implement circuits (MPa) | 29.4 |
| Pilot circuit (psi) | 464 |
| Boom (Number of cylinders – bore x stroke x rod diameter)(mm) | 110 x 858 x 65 |
| Implement circuits (kgf/cm^2) | 300 |
| Boom (Number of cylinders – bore x stroke x rod diameter)(in) | 4.33 x 33.8 x 2.56 |
| Arm (Number of cylinders – bore x stroke x rod diameter)(mm) | 95 x 861 x 60 |
| Arm (Number of cylinders – bore x stroke x rod diameter)(in) | 3.74 x 33.9 x 2.36 |
| Bucket (Number of cylinders – bore x stroke x rod diameter)(mm) | 85 x 710 x 55 |
| Pilot circuit (kgf/cm^2) | 33 |
| Bucket (Number of cylinders – bore x stroke x rod diameter)(in) | 3.35 x 27.95 x 2.17 |
| Pilot circuit (MPa) | 3.2 |
| Blade (1)(in) | 5.12 x 5.12 x 2.56 |
| Swing circuit (kgf/cm^2) | 223 |
| Blade (1)(mm) | 130 x 130 x 65 |
| Swing circuit (MPa) | 21.9 |
| Travel circuit (kgf/cm^2) | 305 |
| Travel circuit (MPa) | 29.9 |
| Travel | 2 x piston motor with parking brake |
| Swing | 1 x axial piston motor with swing holding brake; driven by hydraulic motor, swing lock: mechanical disc brake |
| Maximum drawbar pull (kgf) | 6 820 |
| Maximum drawbar pull (lbs) | 15,309 |
| Service brake type | Hydraulic lock |
| Parking brake | Mechanical brake |
| High (mph) | 3.1 |
| High (kph) | 5 |
| Low (kph) | 2.7 |
| Low (mph) | 1.9 |
| Swing reduction | Planetary gear |
| Holding brake/Swing lock | Mechanical disc brake |
| Swing speed (rpm) | 10 |
| Operating weight features (ft) | Operating weight includes 12 ft. 2 in one-piece boom, 7 ft. 5 in arm, ISO 7451 heaped 0.26 yd3 bucket, blade, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment. |
| Operating weight features (mm) | Operating weight includes 3 710 mm one-piece boom, 2 250 mm arm, ISO 7451 heaped 0.20 m3 bucket, blade, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment. |
| Cooling Type | Water-cooled, 4-cycle, direct injection |
| Bore (mm) | 95 |
| Bore (in) | 3.74 |
| Stroke (in) | 4.52 |
| Stroke (mm) | 115 |
| Engine Rated (rpm) | 1,850 |
| Fan drive method for radiator cooling | Mechanical with viscous fan clutch |
| ISO 9249 / SAE J1349 - Net (kW) | 50.7 |
| Engine (L) | 18 |
| Engine (US gal) | 2.7 |
| Center frame | X-frame leg |
| Track frame | Box-section |
| Track adjuster | Hydraulic |
| Seal of track | Sealed |
| One-way (gpm) | 21.1 |
| One-way (L/min) | 80 |
| Relief (MPa) | 26.51 |
| Relief (psi) | 3,830 |
| Relief in breaker mode (psi) | 2,490 |
| Relief in breaker mode (MPa) | 17.17 |
| Two-way (gpm) | 36.5 |
| Two-way (L/min) | 138 |
| Blade circuit (lower)(MPa) | 21.1 |
| Blade circuit (lower)(psi) | 3,060 |
| Swing circle lubrication | Grease-bathed |
| Blade circuit (lower)(kgf/cm^2) | 215 |
| Blade circuit (raise)(psi) | 1,784 |
| Drive method for drives and brakes | Hydrostatic |
| Operating weight with road liner 18 (lbs) | 17,791 |
| Operating weight with road liner 450 mm (kg) | 8 070 |
| Operating weight with rubber shoe 450 mm (kg) | 7 910 |
| Ground pressure with road liner 18 in (psi) | 5.2 |
| Operating weight with rubber shoe 18 in (lbs) | 17,438 |
| Operating weight with triple grouser 450 mm (kg) | 7 930 |
| Ground pressure with road liner 450 mm (kPa) | 35.8 |
| Ground pressure with triple grouser 450 mm (kPa) | 35.8 |
| Operating weight with triple grouser 18 in (lbs) | 17,483 |
| Operating weight with triple grouser 600 mm (kg) | 8 250 |
| Ground pressure with triple grouser 18 in (psi) | 5.2 |
| Operating weight with triple grouser 24 in (lbs) | 18,188 |
| Ground pressure with triple grouser 600 mm (kPa) | 26.8 |
| Ground pressure with triple grouser 24 (psi) | 5.2 |
| Ground pressure with Rubber shoe 18 (psi) | 5.2 |
| Ground pressure with triple grouser 600 mm (kg/cm^2) | 0.27 |
| Ground pressure with road liner 450 mm (kg/cm^2) | 0.36 |
| Ground pressure with rubber shoe 450 mm (kPa) | 35 |
| Ground pressure with rubber shoe 450 mm (kg/cm^2) | 0.35 |
| Ground pressure with triple grouser 450 mm (kg/cm^2) | 0.36 |
| Swing drive (L) | 2 |
| Swing drive (US gal) | 0.52 |
| Radiator (L) | 18 |
| Radiator (US gal) | 4.8 |
