Caterpillar 990K Large Wheel Loaders
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Caterpillar 990K Large Wheel Loaders Truck Description
The Caterpillar 990K Large Wheel Loader is one of the world’s largest loaders, built for handling the heaviest mining loads. Its massive engine and robust structure make it the king of mining sites. Check its impressive loading capacity and technical innovations on MotorBazee.com. The Caterpillar 990K is used in large mines to achieve massive output and efficiency, significantly increasing project profitability.
Key Specifications of Caterpillar 990K Large Wheel Loaders Equipment
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Specifications of Caterpillar 990K Large Wheel Loaders
Engine
- Bore 137.2 mm
- Displacement 27.03 L
- Emissions U.S. EPA Tier 4 Final, Tier 2 Equivalent
- Engine Model Cat® C27 ACERT™
- Gross (ISO 14396) 561.0 kW
- Net Power 521.0 kW
- Net Power - SAE J1349 521.0 kW
- Peak Torque @ 1,200 rpm 3557.0 N·m
- Rated Speed 1,800 rpm
- 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
- Stroke 152.4 mm
- Torque Rise 18.0 %
Transmission
- 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
- 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
- Transmission Type Cat planetary power shift
Service Refill Capacities
- Cooling System 208.0 L
- Differentials and Final Drives - Front 271.0 L
- Differentials and Final Drives - Rear 261.0 L
- Engine Crankcase 75.7 L
- Fuel Tank 1114.0 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
- Transmission 110.0 L
Operating Specifications
- 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
- Operating Weight 80974.0 kg
- Rated Payload 15.88 tonnes
- Rated Payload - High Lift 15.88 tonnes
- Rated Payload - Standard 15.88 tonnes
Axles
- Front Fixed
- Oscillation Angle 8.5°
- Rear Trunnion
Brakes
- Brakes SAE J1473 OCT90, ISO 3450:1992
Buckets
- Bucket Capacities 8.6-10.0 m3 (11.25-13.0 yd3)
HYDRAULIC SYSTEM - LIFT/TILT
- Cylinders, Double Acting: Left and Right Tilt, Bore and Stroke 235 mm × 1287 mm (9.3 in × 50.7 in)
- Cylinders, Double Acting: Lift, 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 817.0 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 @ 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 70.0 Degrees
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)
Hydraulic Cycle Time
- Dump 2.9 Seconds
- Lower 3.7 Seconds
- Lower Float Down 3.6 Seconds
- Rackback 4.3 Seconds
- Raise 8.2 Seconds
- Total Hydraulic Cycle Time (empty bucket) 13.8 Seconds
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Frequently Asked Questions
The Caterpillar 990K is one of the world's largest loaders, designed specifically for handling the heaviest mining loads. Its robust structure and massive engine establish it as a key piece of equipment used in large mines to achieve substantial output and boost project profitability.
The operating weight is 80,974.0 kg, with a rated payload of 15.88 tonnes. The bucket capacity range is specified between 8.6 m3 and 10.0 m3 (11.25 yd3-13.0 yd3).
The engine is a Cat® C27 ACERT™ model, featuring a displacement of 27.03 L. It produces a net power of 521.0 kW and a peak torque of 3557.0 N·m at 1,200 rpm.
The transmission utilizes a Cat planetary power shift type. It offers multiple directional modes, including Direct Drive options (Forward and Reverse) with different speeds (e.g., Forward 3 at 24.5 km/h), in addition to standard forward and reverse gears.
The overall hydraulic cycle time when using an empty bucket is 13.8 seconds. This complex sequence includes various times for functions such as Dump (2.9 seconds), Lower (3.7 seconds), and Raise (8.2 seconds).
The machine has several refill capacities, including the Engine Crankcase (75.7 L), Fuel Tank (1114.0 L), and Hydraulic System Factory Fill (795.0 L). It also requires maintenance for various tanks like the Cooling System and Transmission.
MotorBazee provides an EMI Calculator tool to help users estimate their monthly EMI payments for purchasing the Caterpillar 990K. This calculator uses various loan periods, including 12 up to 84 months, and requires inputs for down payment, interest rate, and total loan amount.
