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990K

Large Wheel Loaders

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.

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Net Power 521 kW
Engine Model Cat® C27
Bore 137.2 mm
Stroke 152.4 mm
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990K
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OVERVIEW

Raising the bar for productivity and power

FEATURES & BENEFITS

PROVEN RELIABILITY

Steering and Transmission Integrated Control System (STIC™)Experience maximum responsiveness and control with STIC that combines directional selection, gear selection and... Read more

PERFORMANCE AND PRODUCTIVITY

Positive Flow Control HydraulicsIncrease efficiency through our Positive Flow Control (PFC) Hydraulic System. PFC has concurrent pump and valve control. By optimizing pum... Read more

OPERATOR COMFORT AND CONTROL

Your operators can work more efficiently and stay comfortable with our customer-inspired cab features.Entry and ExitEnter and exit the cab easily and safely with these ne... Read more

LONG TERM VALUE AND DURABILITY

Robust StructuresYour bottom line is improved by highly durable structures that achieve multiple life cycles and withstand the toughest loading conditions.Full box-sectio... Read more

POWERFUL EFFICIENCY

Cat C27 EngineThe Cat C27 engine is built and tested to meet your most demanding applications while meeting emission standards.Fully integrated electronic engine controls... Read more

PRODUCTIVITY WITH TECHNOLOGY

Integrated electronics provide flexible levels of information to both the site and the operator. This integration creates a smart machine and more informed operator, maxi... Read more

SAVE ON SERVICE AND MAINTENANCE

We can help you succeed by ensuring your 990K has design features to reduce your downtime.Safe and convenient service with ground level or platform access and grouped ser... Read more

TOP-TIER SERVICE AND SUPPORT

Legendary Cat Dealer SupportA valued partner, your Cat dealer is available whenever you need them.Preventive maintenance programs and guaranteed maintenance contracts.Bes... Read more

SAFETY FIRST

We are constantly introducing features on our machines in an effort to enhance safety for the operators.Machine AccessLeft and right hand stairs with 45 degree angle enha... Read more

SPECIFICATIONS FOR 990K

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Engine
Net Power 521 kW
Engine Model Cat® C27
Bore 137.2 mm
Stroke 152.4 mm
Displacement 27.03 l
Torque Rise 18 %
Rated Speed 1,800 rpm
Rated Speed - Net Power - SAE J1349 - High Ambient 483 kW
Peak Torque - 1,200 rpm 3557 N·m
Rated Speed - Gross - ISO 14396 561 kW
Gross - ISO 14396 561 kW
Net Power - SAE J1349 521 kW
Rated Speed - Gross - SAE J1995 571 kW
Rated Speed - Net Power - SAE J1349 - Standard Ambient 521 kW
Operating Specifications
Operating Weight 80974 kg
Bucket Capacity Range 8.6 m3-10.0 m3 (11.25 yd3-13.0 yd3)
Rated Payload - High Lift 15.9 t
Rated Payload - Standard 15.9 t
Cat Truck Match - Standard 773-775
Cat Truck Match - High Lift 775-777
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 3 24.5 km/h
Direct Drive - Reverse 3 26.4 km/h
Direct Drive - Reverse 2 15.4 km/h
Direct Drive - Forward 2 13.7 km/h
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Reverse 1 8.7 km/h
Note Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
Hydraulic System - Lift/Tilt
Relief Valve Setting - Lift/Tilt 33000 kPa
Lift/Tilt System Variable displacement piston
Cylinders, Double Acting - Tilt, Bore and Stroke 292.1 mm × 820 mm (11.5 in × 32.3 in)
Maximum Flow at 1,800 rpm (1) 817 l/min
Maximum Flow at 1,800 rpm (2) 84 l/min
Pilot System Open loop and pressure reducing
Relief Valve Setting - Main 3500 kPa
Cylinders, Double Acting - Lift, Bore and Stroke 235 mm × 1287 mm (9.3 in × 50.7 in)
Lift/Tilt System - Circuit Positive flow control
Hydraulic Cycle Times
Raise 8.2 s
Dump 2.9 s
Total Hydraulic Cycle Time - Empty Bucket 13.8 s
Rack Back 4.3 s
Lower 3.7 s
Lower Float Down 3.6 s
Service Refill Capacities
Fuel Tank 1114 l
Cooling System 208 l
Transmission 110 l
Differential - Final Drives - Front 271 l
Differential - Final Drives - Rear 261 l
Hydraulic Tank - Implement and Hydraulic Fan 261 l
Engine Crankcase 75.7 l
Hydraulic Tank - Steering and Braking 132 l
Hydraulic System Factory Fill 795 l
Note Cat DEO‑ULS™ or oils that meet the Cat ECF-3, API CJ‑4, and ACEA E9 specification are required.
Buckets
Bucket Capacities 7.4-14.9 m3 (9.7-19.5 yd3)
Axles
Front Fixed
Rear Trunnion
Oscillation Angle 8.5°
Brakes
Brakes AWD hydraulic multi disc brake
Hydraulic System - Steering
Maximum Flow at 1,400 rpm 358 l/min
Steering System - Circuit Pilot, load sensing
Relief Valve Setting - Steering 32000 kPa
Steering System - Pump Piston, variable displacement
Total Steering Angle 70°
Sound Performance - Standard
Machine Sound Level (ISO 6395:2008) 115 dB(A)
Operator Sound Level (ISO 6396:2008) 69 dB(A)
Sound Performance - Suppression
Machine Sound Level (ISO 6395:2008) 113 dB(A)
Operator Sound Level (ISO 6396:2008) 69 dB(A)

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Net Power 278 kW
Operating Weight 52929 kg
Bucket Capacities 5.4 m³ (7 yd³)
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Net Power 521 kW
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