WA270-8
رقم القطعة: KOMATSU-WA270-8
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الوصف
WA270-8
المواصفات
| Horsepower (HP) | 149 HP @ 2,000 rpm |
|---|---|
| Horsepower (kW) | 111 kW @ 2 000 rpm |
| Control valve | 2-spool type |
| Operating weight (kg) | 12 795 - 13 190 |
| Operating weight (lbs) | 28,208 - 29,079 |
| Engine model | Komatsu SAA6D107E-3* |
| Aspiration | Variable geometry turbo-charged, after-cooled, cooled EGR |
| Bore x stroke (in) | 2.76 x 17.8 |
| Bore x stroke (mm) | 70 x 453 |
| Piston displacement (L) | 6.69 |
| Piston displacement (in^3) | 408 |
| Governor | All-speed, electronic |
| SAEJ1995 - Gross (kW) | 115 |
| SAEJ1995 - Gross (HP) | 153 |
| ISO 9249 / SAE J1349 - Net (HP) | 149 |
| Rated rpm | 2,000 |
| Filter | Full-flow type |
| Method | Gear pump, force-lubrication |
| 1st forward (kph) | 1.0 - 13.0 |
| 1st forward (mph) | 0.6 - 8.1 |
| 1st reverse (mph) | 0.6 - 8.1 |
| 1st reverse (kph) | 1.0 - 13.0 |
| 2nd forward (kph) | 13 |
| 2nd forward (mph) | 8.1 |
| 2nd reverse (mph) | 8.1 |
| 2nd reverse (kph) | 13 |
| 3rd forward (mph) | 11.8 |
| 3rd forward (kph) | 19 |
| 3rd reverse (mph) | 11.8 |
| 3rd reverse (kph) | 19 |
| Fuel tank (US gal) | 49.1 |
| Fuel tank (L) | 186 |
| Relief valve setting (psi) | 4,554 |
| Relief valve setting (MPa) | 20.6 |
| Bucket capacity (m^3) | 1.9 - 2.7 |
| Bucket capacity (yd^3) | 2.5 - 3.5 |
| Parking brake | Wet, multi-disc brake on transfer output shaft |
| Cooling Type | Water-cooled, 4-cycle |
| Fan drive method for radiator cooling | Hydraulic |
| ISO 9249 / SAE J1349 - Net (kW) | 111 |
| Engine (L) | 23 |
| Engine (US gal) | 6.1 |
| Hydraulic system (US gal) | 21.1 |
| Hydraulic system (L) | 80 |
| Service brake | Hydraulically actuated, wet disc brakes actuate on four wheels |
| DEF tank (US gal) | 3.7 |
| DEF tank (L) | 14 |
| Air cleaner | Dry type with double elements and dust evacuator, plus dust indicator |
| Cooling system (gal) | 8.8 |
| Cooling system (L) | 33.3 |
| Steering angle | 38° each direction (40° to max end stop) |
| Fuel system | Direct injection |
| Steering system type | Articulated type, fully-hydraulic power steering |
| Drive system | Four-wheel drive |
| Bucket | Tilt-back, hold, and dump |
| Number of cylinders in engine | 6 |
| Type of hydrostatic | 1 pump, 2 motors with speed range select |
| Transmission footnote | Measured with 20.5-R25 tires |
| 4th, forward (kph) | 38 |
| 4th, forward (mph) | 23.6 |
| 4th, reverse (kph) | 38 |
| 4th, reverse (mph) | 23.6 |
| Bore x stroke of engine (mm) | 107 x 124 |
| Bore x stroke of engine (in) | 4.21 x 4.88 |
| Model footnote | *EPA Tier 4 Final emissions certified |
| Max power - ISO 14396 @ 1,650 rpm (HP) | 149 |
| Lift cylinder - 2 (mm) | 110 x 717 |
| Max power - ISO 14396 @ 1,650 rpm (kW) | 111 |
| Lift cylinder - 2 (in) | 4.3 x 28.2 |
| Bucket cylinder - 1 (mm) | 140 x 480 |
| Bucket cylinder - 1 (in) | 5.5 x 18.9 |
| Hydraulic cylinder type for loader control | Double-acting, piston type |
| Hydraulic pump | Piston pump, in common with steering system |
| Capacity (at rated rpm) (US gpm) | 39.6 |
| Capacity (at rated rpm) (L/min) | 150 |
| Relief valve setting (Mpa / kgf/cm^2) | 31.4 MPa, 320 kg/cm² |
| Hydraulic pump for steering system | Piston pump, in common with loader control |
| Capacity for steering system (at rated rpm) (US gpm) | 39.6 |
| Capacity for steering system (at rated rpm) (L/min) | 150 |
| Relief valve setting (kgf/cm^2) | 210 |
| Relief valve setting (psi) (Hydraulic system) | 3,000 |
| Hydraulic cylinders type for steering system | Double-acting, piston type |
| Number of cylinders in hydraulic cylinders | 2 |
| Raise (s) | 6 |
| Dump (s) | 2 |
| Lower (Empty) (s) | 3.2 |
| Boom | Raise, hold, lower, and float |
| Axle front (US gal) | 4.9 |
| Axle front (L) | 18.5 |
| Axle rear (US gal) | 4.8 |
| Axle rear (L) | 18 |
| Transfer case (US gal) | 1.8 |
| Transfer case (L) | 7 |
| Minimum turning radius at the center of outside tire (ft , in) | 17 ft. 0 in |
| Minimum turning radius at the center of outside tire (mm) | 5 175 |
| Secondary brake | Parking brake is commonly used |
| Front Axle | Fixed, semi-floating |
| Axle Rear | Center-pin support, semi-floating, 24° total oscillation |
| Final reduction gear | Planetary gear, single reduction |
| Differential gear | Torque proportioning |
| Reduction gear | Spiral bevel gear |
