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PC290LC-11
High production earthmoving from an excavator designed to be easily transportable.
- Horsepower: 196 HP @ 2,000 rpm
- Operating weight: 70,702 - 72,091 lbs.
- Bucket capacity: 0.76 - 2.13 yd³
Specifications
Engine
| Model | Komatsu SAA6D107E-3* |
| Type | Water-cooled, 4-cycle, direct injection |
| Aspiration | Komatsu variable geometry turbocharged, aftercooled, cooled EGR |
| Number of cylinders | 6 |
| Bore | 4.21 in |
| Stroke | 4.88 in |
| Piston displacement | 408 in³ |
| Horsepower: | |
| SAE J1995 : Gross | 213 HP |
| ISO 9249/SAE J1349 : Net | 196 HP |
| Rated rpm | 2,050 rpm |
| Fan drive type | Mechanical |
| Governor | All-speed control, electronic. |
| *EPA Tier 4 Final emissions certified |
Hydraulics
Type: HydrauMind (Hydraulic Mechanical Intelligence New Design) system, closed-center system with load sensing valves and pressure compensated valves
| Number of selectable working modes | 6 |
| Main pump: | |
| Type | Variable displacement piston type |
| Pumps for | Boom, arm, bucket, swing, and travel circuits |
| Maximum flow | 126.5 US gpm |
| Supply for control circuit | Self-reducing valve |
| Hydraulic motors: | |
| Travel | 2 x axial piston motor with parking brake |
| Swing | 1 x axial piston motor with swing holding brake |
| Relief valve setting: | |
| Implement circuits | 5,400 psi |
| Travel circuit | 5,400 psi |
| Swing circuit | 4,190 psi |
| Pilot circuit | 470 psi |
| Hydraulic cylinders: | |
| Number of cylinders | Bore x Stroke x Rod Diameter |
| Boom / 2 | 5.5 x 51.2 x 3.9 in |
| Arm / 1 | 5.9 x 64.3 x 4.3 in |
| Bucket / 1 | 5.5 x 39.7 x 3.9 in |
Drives and Brakes
| Steering control | Two levers with pedals |
| Drive method | Hydrostatic |
| Maximum drawbar pull | 56,000 lbs. |
| Gradeability | 70%, 35° |
| Maximum travel speed: (Auto-Shift) | |
| High | 3.4 mph |
| Mid | 2.5 mph |
| Low | 1.9 mph |
| Service brake | Hydraulic lock |
| Parking brake | Mechanical disc brake |
Swing System
| Drive method | Hydrostatic |
| Swing reduction | Planetary gear |
| Swing circle lubrication | Grease-bathed |
| Service brake | Hydraulic lock |
| Holding brake/Swing lock | Mechanical disc brake |
| Swing speed | 10.5 rpm |
| Swing torque | 64,292 ft.-lbs. |
Undercarriage
| Center frame | X-frame |
| Track frame | Box-section |
| Seal of track | Sealed track |
| Track adjuster | Hydraulic |
| Number of shoes | 48 each side |
| Number of carrier rollers | 2 each side |
| Number of track rollers | 8 each side |
Sound Performance
| Exterior – ISO 6395 | 104 dB(A) |
| Operator – ISO 6396 | 70 dB(A) |
Coolant & Lubricant Capacity (Refilling)
| Fuel tank | 105.7 US gal |
| Coolant | 9.5 US gal |
| Engine | 6.1 US gal |
| Final drive, each side | 2.1 US gal |
| Swing drive | 1.9 US gal |
| Hydraulic tank | 34.9 US gal |
| Hydraulic system | 66.8 US gal |
| DEF tank | 6.1 US gal |
Operating Weight (Approximate)
Operating weight, including 20 ft. 2 in one-piece boom, 10 ft. 6 in arm, SAE heaped 1.85 yd³ backhoe bucket*, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment.
| Shoes | 28 in |
| Operating Weight | 67,395 lbs. |
| Ground Pressure | 7.71 psi |
| Shoes | 31.5 in |
| Operating Weight: | 68,233 lbs. |
| Ground Pressure | 6.83 psi |
| Shoes | 33.5 in |
| Operating Weight: | 68,654 lbs. |
| Ground Pressure | 6.47 psi |
| Component Weights | |
| Arm including bucket cylinder and linkage | |
| 10 ft. 6 in arm assembly | 3,157 lbs. |
| 11 ft. 6 in arm assembly | 3,316 lbs. |
| One piece boom including arm cylinder | |
| 20 ft. 2 in boom assembly | 5,397 lbs. |
| Boom cylinders x 2 | 509 lbs. |
| Counterweight | 12,148 lbs. |
| 1.85 yd³ bucket - 48 in width | 2,399 lbs. |
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