CAT CAT®990K Wheel loader
Operating mass of complete machine (kg):
80974
Product Feature
Product Parameter
Engine |
|
| Net power | 521.0 kW |
| Cylinder bore | 137.2 mm |
| Stroke | 152.4 mm |
| Displacement | 27.03 l |
| Torque reserve | 18.0 % |
| 1200 rpm Peak torque at | 3557.0 N·m |
| Net power - SAE J1349 | 521.0 kW |
| Total power（ISO 14396） | 561.0 kW |
| Rated speed：Net power – SAE J1349（Standard environment） | 521.0 kW |
| Rated speed：Net power – SAE J1349（High temperature environment） | 483.0 kW |
| Rated speed：Total power（ISO 14396） | 561.0 kW |
| Rated speed：Total power（SAE J1995） | 571.0 kW |
Operating specifications |
|
| Operating weight | 80974.0 kg |
| Rated payload - Standard | 15.9 metric tons |
| Rated payload - High lift | 15.9 metric tons |
Gearbox |
|
| First gear forward | 7.3 km/h |
| Second gear forward | 13.3 km/h |
| Third gear forward | 22.9 km/h |
| Reverse first gear | 7.9 km/h |
| Reverse second gear | 14.7 km/h |
| Reverse third gear | 24.9 km/h |
| Direct drive - Second gear forward | 13.7 km/h |
| Direct drive - Third gear forward | 24.5 km/h |
| Direct drive - First gear reverse | 8.7 km/h |
| Direct drive - Second gear reverse | 15.4 km/h |
| Direct drive - Third gear reverse | 26.4 km/h |
Hydraulic system - Promote/Tilt |
|
| 1800 rpm Maximum flow at speed (1) | 817.0 l/min |
| 1800 rpm Maximum flow at speed (2) | 84.0 l/min |
| Relief valve setting | 3500.0 kPa |
| Relief valve setting - Promote/Tilt | 33000.0 kPa |
Hydraulic cycle time |
|
| Promote | 8.2 seconds |
| Unload | 2.9 seconds |
| Descend | 3.7 seconds |
| Total hydraulic cycle time（The bucket is empty） | 13.8 seconds |
| Float down | 3.6 seconds |
| Bucket roll back | 4.3 seconds |
Maintenance refill capacity |
|
| Fuel tank | 1114.0 l |
| Cooling system | 208.0 l |
| Gearbox | 110.0 l |
| Engine crankcase | 75.7 l |
| Differential and Final Driver - Front axle | 271.0 l |
| Differential and Final Driver - Rear axle | 261.0 l |
| Hydraulic oil tank（Implement and Hydraulic Fan） | 261.0 l |
| Hydraulic oil tank（Steering and braking） | 132.0 l |
| Hydraulic system factory filling | 795.0 l |
Hydraulic system – Turn |
|
| 1400 rpm Maximum flow at speed | 358.0 l/min |
| Relief valve setting - Turn | 32000.0 kPa |
Noise performance — Standard |
|
| Operator sound pressure level（ISO 6396:2008） | 69.0 dB（A） |
| Machine sound power level（ISO 6395:2008） | 115.0 dB（A） |
