Caterpillar Construction Machinery Cat 990K 9ton Heavy Mining Front End Tractor Wheel Loader
OVERVIEW
Cat Large Wheel Loaders are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely at a lower cost per ton. The Cat 990 Wheel Loader has been a proven performer in mines, quarries and industrial applications around the world. The 990K brings all new levels of performance, safety, operator comfort and efficiency.
ENGINE
| Net Power |
521.0 kW |
| Engine Model |
Cat® C27 ACERT™ |
| Bore |
137.2 mm |
| Stroke |
152.4 mm |
| Displacement |
27.03 l |
| Torque Rise |
18.0 % |
| Rated Speed |
1,800 rpm |
| Emissions |
U.S. EPA Tier 4 Final OR Tier 2 Equivalent |
| Gross - ISO 14396 |
561.0 kW |
| Net Power - SAE J1349 |
521.0 kW |
| Peak Torque - 1,200 rpm |
3557.0 N·m |
| Rated Speed - Gross - ISO 14396 |
561.0 kW |
| Rated Speed - Gross - SAE J1995 |
571.0 kW |
| Rated Speed - Net Power - SAE J1349 - High Ambient |
483.0 kW |
| Rated Speed - Net Power - SAE J1349 - Standard Ambient |
521.0 kW |
OPERATING SPECIFICATIONS
| Operating Weight |
80974.0 kg |
| Bucket Capacity Range |
8.6 m³-10.0 m³ (11.25 yd³-13.0 yd³) |
| Cat Truck Match - High Lift |
775-777 |
| Cat Truck Match - Standard |
773-775 |
| Rated Payload - High Lift |
15.9 t |
| Rated Payload - High Lift (Face Material) |
15.9 t |
| Rated Payload - High Lift (Loose Material) |
20.0 t |
| Rated Payload - Standard |
15.9 t |
| Rated Payload - Standard (Face Material) |
15.9 t |
| Rated Payload - Standard (Loose Material) |
20.0 t |
BUCKETS
| Bucket Capacities |
7.4-14.9 m³ (9.7-19.5 yd³) |
TRANSMISSION
| Transmission Type |
Cat planetary power shift |
| Forward - 1 |
7.3 km/h |
| Forward - 2 |
13.3 km/h |
| Forward - 3 |
22.9 km/h |
| Reverse - 1 |
7.9 km/h |
| Reverse - 2 |
14.7 km/h |
| Reverse - 3 |
24.9 km/h |
| Direct Drive - Forward 1 |
Lock-up disabled |
| Direct Drive - Forward 2 |
13.7 km/h |
| Direct Drive - Forward 3 |
24.5 km/h |
| Direct Drive - Reverse 1 |
8.7 km/h |
| Direct Drive - Reverse 2 |
15.4 km/h |
| Direct Drive - Reverse 3 |
26.4 km/h |
AXLES
| Front |
Fixed |
| Rear |
Trunnion |
| Oscillation Angle |
8.5° |
HYDRAULIC CYCLE TIMES
| Raise |
8.2 s |
| Dump |
2.9 s |
| Lower |
3.7 s |
| Lower Float Down |
3.6 s |
| Rack Back |
4.3 s |
| Total Hydraulic Cycle Time - Empty Bucket |
13.8 s |
SERVICE REFILL CAPACITIES
| Fuel Tank |
1114.0 l |
| Cooling System |
208.0 l |
| Transmission |
110.0 l |
| Differential - Final Drives - Front |
271.0 l |
| Differential - Final Drives - Rear |
261.0 l |
| Engine Crankcase |
75.7 l |
| Hydraulic System Factory Fill |
795.0 l |
| Hydraulic Tank - Implement and Hydraulic Fan |
261.0 l |
| Hydraulic Tank - Steering and Braking |
132.0 l |
HYDRAULIC SYSTEM - LIFT/TILT
| Cylinders, Double Acting - Lift, Bore and Stroke |
235 mm × 1287 mm (9.3 in × 50.7 in) |
| Cylinders, Double Acting - Tilt, Bore and Stroke |
292.1 mm × 820 mm (11.5 in × 32.3 in) |
| Lift/Tilt System |
Variable displacement piston |
| Lift/Tilt System - Circuit |
Positive flow control |
| Maximum Flow at 1,800 rpm (1) |
817.0 l/min |
| Maximum Flow at 1,800 rpm (2) |
84.0 l/min |
| Pilot System |
Open loop and pressure reducing |
| Relief Valve Setting |
3500.0 kPa |
| Relief Valve Setting - Lift/Tilt |
33000.0 kPa |
HYDRAULIC SYSTEM - STEERING
| Maximum Flow at 1,400 rpm |
358.0 l/min |
| Relief Valve Setting - Steering |
32000.0 kPa |
| Steering System - Circuit |
Pilot, load sensing |
| Steering System - Pump |
Piston, variable displacement |
| Total Steering Angle |
70° |
SOUND PERFORMANCE - STANDARD
| Machine Sound Level (ISO 6395:2008) |
115.0 dB(A) |
| Operator Sound Level (ISO 6396:2008) |
69.0 dB(A) |
SOUND PERFORMANCE - SUPPRESSION
| Machine Sound Level (ISO 6395:2008) |
113.0 dB(A) |
| Operator Sound Level (ISO 6396:2008) |
69.0 dB(A) |
BRAKES
| Brakes |
SAE J1473 OCT90, ISO 3450:1992 |
Audited Supplier 
){kind=link}
){kind=link}