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990

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 990 brings all new levels of performance, safety, operator comfort and efficiency.

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Rated Payload - Loose Material (Standard) 22 t
Rated Payload - Loose Material (High Lift) 20 t
Rated Payload - Standard (Quarry Face) 15.9 t
Rated Payload - High Lift (Quarry Face) 15.9 t
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990
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OVERVIEW

Raising the bar for productivity and power

FEATURES & BENEFITS

PROVEN RELIABILITY

Steering and Transmission Integrated Control System (STIC™)     Cat C27 engine is built and tested to meet your most demanding applications.  &nb... Read more

PERFORMANCE AND PRODUCTIVITY

Positive Flow Control Hydraulics     10% lower maintenance costs.     Grouped service points.     Electro-hydr... Read more

POWERFUL EFFICIENCY

    World class safety, operator comfort and efficiency in pit digging and skull handling applications.     Efficiency of manual... Read more

PRODUCTIVITY WITH TECHNOLOGY

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

SAVE ON SERVICE AND MAINTENANCE

Cat® C27-MotorThe Cat C27 engine is built and tested to meet your most demanding applications while meeting Tier 4 Final OR Tier 2 Equivalent emission standards.Fully int... Read more

SAFETY FIRST

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

OPERATOR COMFORT AND CONTROL

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

PURPOSE BUILT SPECIALTY MODELS - MILLYARD

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

PURPOSE BUILT SPECIALTY MODELS - STEEL MILL

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 990

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Operating Specifications
Rated Payload - Loose Material (Standard) 22 t
Rated Payload - Loose Material (High Lift) 20 t
Rated Payload - Standard (Quarry Face) 15.9 t
Rated Payload - High Lift (Quarry Face) 15.9 t
Bucket Capacity Range 8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
Cat Truck Match - Standard 773-775
Cat Truck Match - High Lift 775-777
Operating Weight 80974 kg
Rated Payload - Standard 15.9 t
Rated Payload - High Lift 15.9 t
Engine
Net Power 521 kW
Engine Model C27 Cat®
Bore 137.2 mm
Stroke 152.4 mm
Displacement 27.03 l
Torque Rise 18 %
Rated Speed 1,800/min
Net Power - SAE J1349 521 kW
Rated Speed - Net Power - SAE J1349 - High Ambient 483 kW
Rated Speed - Net Power - SAE J1349 - Standard Ambient 521 kW
Rated Speed - Gross - ISO 14396 561 kW
Gross - ISO 14396 561 kW
Peak Torque - 1,200 rpm 3557 N·m
Rated Speed - Gross - SAE J1995 571 kW
Emissions U.S. EPA TIer 4 Final and EU Stage V emission standards or U.S. EPA Tier 2 and EU Stage II equivalent
Engine Power - ISO 14396 561 kW
Gross Power - SAE J1995 571 kW
Net Power - SAE J1349 - Standard Ambient 521 kW
Net Power - SAE J1349 - High Ambient 483 kW
Buckets
Bucket Capacities 8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 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
Note Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
Axles
Front Fixed
Rear Trunnion
Oscillation Angle 8.5°
Hydraulic Cycle Times
Raise 8.2 s
Dump 2.9 s
Total Hydraulic Cycle Time - Empty Bucket 13.8 s
Lower 3.7 s
Lower Float Down 3.6 s
Rack Back 4.3 s
Service Refill Capacities
Fuel Tank 1114 l
Cooling System 208 l
Transmission 110 l
Differential - Final Drives - Rear 261 l
Differential - Final Drives - Front 271 l
Hydraulic Tank - Steering and Braking 132 l
Engine Crankcase 75.7 l
Note All nonroad U.S. EPA Tier 4 diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 (20% blend by volume) are acceptable when blended with 15 ppm (mg/kg) sulfur or less ULSD. B20 should meet ASTM D7467 specification (biodiesel blend stock should meet Cat biodiesel spec, ASTM D6751 or EN 14214. Cat DEO‑ULS™ or oils that meet the Cat ECF-3, API CJ‑4, and ACEA E9 specification are required. For further fluid specifications and guidelines, visit: http://parts.cat.com/cda/files/3244668/7/SEBU6250-19.pdf.
Hydraulic Tank - Implement and Hydraulic Fan 261 l
Hydraulic System Factory Fill 795 l
Hydraulic System - Lift/Tilt
Maximum Flow at 1,800 rpm (2) 84 l/min
Maximum Flow at 1,800 rpm (1) 910 l/min
Lift/Tilt System - Circuit Positive flow control
Lift/Tilt System Variable displacement piston
Cylinders, Double Acting - Lift, Bore and Stroke 235 mm × 1287 mm (9.3 in × 50.7 in)
Pilot System Open loop and pressure reducing
Relief Valve Setting - Lift/Tilt 33000 kPa
Relief Valve Setting - Main 3500 kPa
Cylinders, Double Acting - Tilt, Bore and Stroke 292.1 mm × 820 mm (11.5 in × 32.3 in)
Sound Performance - Suppression
Operator Sound Level (ISO 6396:2008) 65.5 dB(A)
Machine Sound Level (ISO 6395:2008) 113 dB(A)
Hydraulic System - Steering
Steering System - Circuit Pilot, load sensing
Steering ISO 5010: 2007
Maximum Flow at 1,400 rpm 364 l/min
Total Steering Angle 70°
Steering System - Pump Piston, variable displacement
Relief Valve Setting - Steering 34500 kPa
Sound Performance - Standard
Operator Sound Level (ISO 6396:2008) 65.5 dB(A)
Machine Sound Level (ISO 6395:2008) 115 dB(A)
Operator's Cab
ROPS/FOPS ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Brakes
Brakes ISO 3450: 2011
Air Conditioning System
Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.7 kg of refrigerant which has a CO2 equivalent of 3.861 metric tonnes (4.256 tons).

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