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CAT<sup>®</sup> 990K (sawmill version)

Wheel loaders 990K (sawmill version)

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Key Information

Net Power

521 kW

Operating weight

91,807 kg

Engine model

C27 CAT®

Overview

Unmatched Power

Cat large wheel loaders are designed to provide maximum longevity and ensure optimal availability over multiple lifecycles. With their optimized performance and simplified maintenance, our machines allow you to safely and efficiently move more materials. The 990K sawmill version is designed to meet the requirements of sawmill applications. Its features combine to offer a strong and reliable machine to meet the needs of the modern sawmill.

Key Features

  • Power and Efficiency
  • Long-term profitability and long lifespan
  • Proven reliability
  • Performance and productivity
  • Mastery and driving comfort
  • Reduced maintenance and upkeep
  • Top-notch service and assistance

Power and Efficiency

990K (sawmill version) - Power and Efficiency

C27 CAT® Engine The Cat C27 Engine is designed and tested to meet your most demanding applications while complying with Tier 4 Final emissions standards or equivalent Tier 2 standards. The fully integrated electronic engine controls work in harmony with the entire machine for increased fuel efficiency. The engine idle shutdown feature reduces fuel consumption at idle. The engine delayed shutdown feature ensures longer life. Cat Planetary Powershift Transmission Optimize your productive time with the proven Cat Planetary Powershift transmission. Gear changes, component life, and driving comfort are optimized through our electronic transmission controls. Impeller Clutch Torque Converter (ICTC) This device allows operators to optimize efficiency by varying the effort at the machine rim while increasing hydraulic power. Reduced tire wear. Full throttle shifting for shorter cycle times. Smooth approach to the dump area to limit spillage and ensure shorter cycle times. Cat Lock-Up Torque Converter Eliminates torque converter losses while reducing circuit temperature. Improves travel speeds. Reduces cycle times in loading and hauling applications. Economy Mode Ensures optimal productivity and efficiency throughout the day, every day. The advanced technologies of the 990K systems allow you to save fuel. With on-demand acceleration, the 990K automatically manages engine speed while the operator focuses on the left pedal and equipment control. Provides the operator with the same control and sensitivity as the traditional throttle lock function. Combines the efficiency of manual throttle control with the ergonomics of throttle lock.

Long-term profitability and long lifespan

990K (sawmill version) - Long-term profitability and long lifespan

Robust Structures Boost your results with ultra-resistant structures capable of performing multiple life cycles and supporting the most difficult loading conditions. The fully enclosed rear chassis resists both torsional forces and shocks. The extra-robust anchorages of the steering cylinders efficiently transmit the steering loads to the chassis. The axle assembly has been optimized for increased structural integrity. Front Linkage To ensure optimal lifespan and reliability, the articulations with the axis of the linkage are designed with a factory-mounted automatic lubrication system. Handling Arms Absorption of high-stress loads by solid steel handling arms. Increased resistance in key areas thanks to the use of monobloc castings. Long lifespan and increased intervals between repairs thanks to lifting arms free from constraints.

Proven reliability

990K (sawmill version) - Proven reliability

Integrated Steering and Transmission Control System (STIC) Benefit from maximum responsiveness and control with the STIC system, which combines direction selection, gear selection, and steering into a single lever. A simple movement of the lever to the left or right allows for turning left or right, minimizing driver effort. Ultra-easy gear selection at the touch of a finger. Smoother, faster cycles and less fatigue for operators thanks to integrated controls that require minimal effort. Cat Planetary Powershift Transmission Your success relies on a superior transmission specifically designed for mining applications. Smooth and efficient gear shifting thanks to integrated electronic controls. Longevity and reliability ensured by heat treatments and metallurgical processes on the gears. Three forward gears and three reverse gears to adapt to all your applications. Cat C27 Engine The exceptional lifespan and efficiency of your 990K come from its Cat C27 Engine. Its 12 cylinders with direct injection naturally provide optimal performance. Optimized performance and quick engine response thanks to an electronic control module. Reliable efficiency with perfect control of timing, duration, and injection pressure thanks to the electronically controlled mechanically actuated unit injector system (MEUI). Increased engine lifespan and improved energy efficiency thanks to lower rated speed. Available in two versions: one compliant with Tier 4 Final emissions standards and another compliant with emissions standards equivalent to Tier 2. Impeller Clutch Torque Converter (ICTC) and Rimpull Control System (RCS) Reduce your cost per ton by using advanced ICTC and RCS systems to control rim effort. Reduce tire slippage and wear by controlling rim effort from 100% to 25% using the left brake pedal. Once the position corresponding to a 25% reduction in rim effort is reached, the pedal is used for braking again. Decrease the risk of wheel slippage without reducing hydraulic efficiency of the machine thanks to RCS. Improve energy efficiency in certain applications with the lock-up torque converter allowing for direct drive.

Performance and productivity

990K (sawmill version) - Performance and productivity

Positive Flow Control Hydraulic Circuit Increase your efficiency with our positive flow control (PFC) hydraulic circuit. The PFC circuit features dual pumps and valves control. Optimizing the pump control allows for the hydraulic oil flow to be adjusted proportionally to the movement of the equipment lever. Fast and productive cycles are activated by the fully variable equipment pump. Improve fork sensitivity and control with better hydraulic response. Consistent performance and efficiency with lower circuit heating. Flow distribution technology allows for maximum hydraulic flow up to 1,400 rpm. Electro-Hydraulic Controls Increased equipment responsiveness allows operators to enhance productivity. Work comfortably with electronically controlled hydraulic cylinder stops. Enjoy smooth and easy-to-use controls. Easily activate equipment disengagement from inside the cabin. Steering Circuit Safe loader operation starts with precise machine control. That's why we equipped the 990K Wheel Loader with a load sensing steering circuit. Increase your efficiency with our variable displacement pumps. Achieve precise positioning for easy loading in tight workspaces with a 35-degree steering angle. Enhance driver comfort with integrated steering and transmission controls. Filtration System Benefit from improved performance and reliability of your hydraulic circuit with our advanced filtration system. Return screens to the tank. Hydraulic oil cooler return filter. Pilot filter. Return screens inside the hydraulic tank. Axle oil cooler screens according to equipment.

Mastery and driving comfort

990K (sawmill version) - Mastery and driving comfort

More efficient and comfortable work for drivers thanks to a cabin inspired by our customers. Entry and Exit Easy access to the cabin thanks to its new ergonomic design. Foldable armrest/STIC steering. Reduced access ladder angles. Standard ladder lighting. Comfort Cat Series III Seat Improve driver comfort and reduce fatigue with the Comfort Cat Series III seat. Mid-height backrest and ultra-thick padded cushions. Air suspension system. Levers and seat controls within reach. Adjustable in 6 directions. Equipment control panel and STIC steering mounted on the seat and moving with it. 76 mm (3 in) wide retractable seat belt. Optional heated and ventilated seat. Control Panel The ergonomic positioning of switches and information display provides drivers with better comfort throughout the day, every day. Large backlit membrane switches have LED activation indicators. Switches have ISO symbols for quick function identification. A two-position toggle switch activates the electrohydraulic parking brake. Driving Station Improve your drivers' productivity with the clean and comfortable environment of our cabins. Enjoy the low level of vibrations achieved through cabin mounts and seat pneumatic suspension. Maintain the desired temperature inside the cabin with automatic temperature controls. Pressurized cabin with filtered air. Reduced noise level at 69 dB(A). Conveniently positioned storage tray/lunch basket at ground level.

Reduced maintenance and upkeep

990K (sawmill version) - Reduced maintenance and upkeep

Because the very design of the 990k model allows for reduced immobilization, it will be the key to your success. Safe and convenient maintenance thanks to grouped maintenance points, accessible from the ground or the platform. Swinging doors located on both sides of the engine compartment facilitate access to daily maintenance checkpoints. Environmentally friendly drain valves facilitate maintenance and prevent spills. Reduce your immobilization with notifications from our VIMS management system, allowing drivers and technicians to solve problems before they even occur. Ground-level access to transmission control valves.

990K (sawmill version) -

Top-notch service and assistance

990K (sawmill version) - Top-notch service and assistance

Legendary Cat Dealer Support A true partner, your Cat dealer is always there when needed. Preventive maintenance programs and guaranteed maintenance contracts. Unmatched availability of parts. Improve your efficiency through driver training. Remanufactured genuine Cat parts.

Contact Our Experts

Monday to Friday 8am-4:30pm (CAT)

Product Specifications for 990K (sawmill version)

  • ENGINE
    • Net Power521 kW
    • Engine ModelC27 CAT®
    • Bore137.2 mm
    • Stroke152.4 mm
    • Displacement27.03 l
    • Torque Rise18%
    • Rated Speed1,800 rpm
    • Rated Speed - Gross - ISO 14396561 kW
    • Gross Power - ISO 14396561 kW
    • Net Power - SAE J1349521 kW
    • Rated Speed - Net Power - SAE J1349 - Standard Ambient Temperature521 kW
    • Rated Speed - Net Power - SAE J1349 - High Ambient Temperature483 kW
    • Maximum Torque - 1,200 rpm3557 Nm
    • Rated Speed - Gross - SAE J1995571 kW
    • EmissionsEPA Tier 4 Final for the U.S. OR equivalent to Tier 2 standards
  • OPERATING CHARACTERISTICS
    • Operating Weight91807 kg
    • Tipping Load: Straight42180 kg
    • Tipping Load: Full Turn37148 kg
  • TRANSMISSION
    • Transmission TypeCat Planetary Powershift Transmission
    • Forward - 17.3 km/h
    • Forward - 213.3 km/h
    • Forward - 322.9 km/h
    • Reverse - 17.9 km/h
    • Reverse - 214.7 km/h
    • Reverse - 324.9 km/h
    • Direct Drive, Forward 324.5 km/h
    • Direct Drive, Forward 1Lockout Disabled
    • Direct Drive, Reverse 326.4 km/h
    • Direct Drive, Reverse 18.7 km/h
    • Direct Drive, Reverse 215.4 km/h
    • Direct Drive, Forward 213.7 km/h
    • NoteTravel speeds with Michelin 45/65R39 LD D2 ** L5 tires.
  • HYDRAULIC SYSTEM - LIFT/TILT
    • Maximum Flow at 1,800 rpm (1)817 l/min
    • Maximum Flow at 1,800 rpm (2)84 l/min
    • Main Relief Valve Setting3500 kPa
    • Lift/Tilt SystemVariable displacement piston pump
  • HYDRAULIC SYSTEM: LIFT/TILT
    • Lift/Tilt System: CircuitPositive Flow Control
    • Relief Valve Setting: Lift/Tilt33000 kPa
    • Pilot SystemOpen Loop with Pressure Reducing Valve
    • Double-Acting Cylinders - Tilt, Bore and Stroke317.5 mm × 819 mm (12.5 in × 32.2 in)
    • Double-Acting Cylinders - Lift, Bore and Stroke254 mm × 1264 mm (10.0 in × 49.8 in)
  • HYDRAULIC CYCLE TIME
    • Raise9.4 s
    • Dump2.9 s
    • Lower Float Down3.6 s
    • Lower3.7 s
    • Return-to-Dig4.8 s
  • MAINTENANCE CAPACITIES
    • Fuel Tank1114 l
    • Cooling System208 l
    • Transmission110 l
    • Differential - Final Drives - Rear261 l
    • Engine Crankcase75.7 l
    • Differential - Final Drives - Front271 l
    • Factory Fill Hydraulic Tank795 l
  • CAPACITIES
    • Hydraulic Tank - Steering and Brake132 l
    • Hydraulic Tank - Implement and Fan261 l
  • AXLES
    • FrontFixed
    • RearOscillating
    • Swing Angle8.5°
  • BRAKES
    • BrakesSAE J1473 OCT90, ISO 3450:1992
  • HYDRAULIC SYSTEM: STEERING
    • Relief Valve Setting: Steering32000 kPa
    • Maximum Flow at 1,400 rpm358 l/min
    • Steering System: CircuitPilot, Load Sensing
    • Total Steering Angle70°
    • Steering System: PumpPiston, Variable Displacement
  • SOUND LEVELS: STANDARD
    • Machine Sound Level (ISO 6395:2008)115 dB(A)
    • Operator Sound Pressure Level (ISO 6396:2008)69 dB(A)
  • SOUND LEVELS: QUIET CAB
    • Operator Sound Pressure Level (ISO 6396:2008)69 dB(A)
    • Machine Sound Level (ISO 6395:2008)113 dB(A)
  • DIMENSIONS - LOG LOADER (APPROXIMATE)
    • Ground to Top of Exhaust Pipes5049 mm
    • Fork Height at Full Lift5591 mm
    • Ground to Top of Hood3862 mm
    • Ground to Top of ROPS Cab5240 mm
    • Upper Fork Grapple Opening3745 mm
    • Overall Length13840 mm
    • Ground Clearance to Articulation596 mm
    • Dump Height from Ground to Bumper959 mm
    • Fork Height with Leveling Links2708 mm
    • Front Axle Center to Fork End5362 mm
    • Rear Axle Center to Bumper3795 mm
    • Ground to Front Axle Center1186 mm
    • Pivot Height at Full Lift5903 mm
    • Wheelbase4600 mm
    • Dump Angle at Full Lift29.3°
  • FORKS
    • Fork End Area7.2 m²

Standard Equipment for 990K (sawmill version)

  • DRIVER'S COMPARTMENT
    • Air Conditioner and Heater with Automatic Temperature Control
    • Pressurized and Sound-Reduced Cab, Rollover Protective Structure (ROPS)/Falling Object Protective Structure (FOPS) Frame, Radio Prep (ambient) including Antenna, Speakers, and Converter (12V, 10-15A)
    • 12V Power Supply for Cell Phones or Laptop Connection
    • Rear Vision Camera
    • Cigarette Lighter and Ashtray
    • Clothes Hook
    • Electrohydraulic Lift and Tilt Controls (seat-mounted)
    • Folding Armrest
    • Heater and Defroster
    • Electric Horn
    • Hydraulic Equipment Lockout
    • Instruments and Indicators: - Engine Coolant Temperature - Fuel Level - Ground Speed - Gear - Hydraulic Oil Temperature - Speedometer/Tachometer - Torque Converter Temperature
    • Instrumentation and Warning Lights: - Three-Level Warning System - Automatic Transmission Model Auto-Engagement Status - Brake Failure - Free Bucket Position Status - Delayed Engine Shutdown Status - Engine Idle Shutdown Status - Engine Failure - Fuel Savings Mode Status - Hydraulic System Safety - Lockup Clutch Engagement Status - Low Fuel Level - Parking Brake Status - Rim Pull Control Activation Status - Seat Belt Warning - Auxiliary Steering (if equipped) - Throttle Lock Status - Transmission Gear
    • Keypad Control with Indicator Lights: - Automatic Transmission Mode Speed Range - Automatic/Manual Transmission Mode - Fuel Savings Mode - Equipment Disengagement - Lockup Clutch - Reduced Rim Pull - Throttle Lock
    • Lighting, Overhead (cab)
    • Lunch Box and Cup Holder Mounts
    • Outside Mirrors
    • Comfort Cat Seat (fabric upholstery) with Air Suspension
    • 76mm (3 in) Retractable Seat Belt
    • STIC Control System with Steering Lock
    • Tinted Glass
    • Instructor Seat with Lap Belt
    • 3G Vital Information Management System (VIMS) with Graphical Display: External Data Port, Customizable Operator Profiles, Cycle Time Timer, and Integrated Payload Control System (PCS) with: - Intermittent Front, Rear, and Corner Windshield Wipers with Integrated Washer
  • POWERTRAIN
    • Oil-Immersed, Fully Hydraulic, Case-Mounted Brakes
    • Wheel Half Shafts Oil-Bathed Multi-Disc Service Brake
    • Electrohydraulic Parking Brake
    • Return-to-Sump Filters
    • Cat Clean Emissions Module (Tier 4 Final only)
    • Variable Speed Fan
    • C27 Cat Engine
    • Fuel Priming Pump (electric)
    • Ground-Level Engine Shutdown, Bumpers
    • Muffler (under hood) (Tier 2 only)
    • Engine Air Precleaner
    • Aluminum Modular Radiator (AMR)
    • Separate Circuit Cooling
    • Cold Start Aid, (ether) Manual Override
    • Throttle Lock
    • Modulating Clutch Converter with Lockup Clutch and Rim Pull Control
    • 534mm (21 in) Transmission, Electronic Planetary Powershift (3F/3R)
  • ELECTRICAL EQUIPMENT
    • Backup Alarm
    • Alternator, 150A
    • Batteries, Maintenance-Free (2 - 1,400 CCA)
    • Converter 10/15A, 24V to 12V
    • Deutsch Component Connectors
    • Electrical System, 24V
    • Electronic Transmission Control
    • Lighting Circuit, Halogen Headlights (front and rear), Access Ladder, Engine Compartment
    • Starter, Electric
    • Starter Lockout in Bumper
    • Emergency Start Receptacle
    • Transmission Lockout in Bumper
  • OTHER
    • Automatic Lift and Tilt Kickouts, Electronically Adjustable from Cab
    • Axle Temperature Sensor
    • Battery Disconnect Switch and Jump Start Receptacle, Bumpers
    • O-Ring Face Seals, Caterpillar
    • Economy Mode with Demand Acceleration
    • Platform Emergency Lowering
    • Engine, Oil Pan, 500-Hour Interval with CH4
    • Engine Idle Management Features: - Automatic Idle Downshift - Delayed Engine Shutdown - Engine Idle Shutdown
    • Fenders, Steel (front)
    • Guards, Belly and Powertrain
    • Lube Points Grouped and Labeled
    • Drawbar, Drawbar with Pin
    • Hoses, Cat XT
    • Oil Sampling Valves
    • Positive Flow Hydraulics
    • Product Link
    • Fluid Level Gauges: Hydraulic Tanks, Steering/Fan and Implement/Brake, Transmission
    • Ladder, Access Rear Left and Right
    • Load Sensing Steering
    • Kickouts
    • Anti-Theft Locks
    • Venturi Stack
    • Long-Life Pre-Mixed 50% Concentration Coolant, Freeze Protection to -34°C (-29°F)

Available Options for 990K (sawmill version)

  • POWERTRAIN
    • -50°C (-58°F) Antifreeze
    • High-Speed Engine Oil Drain System, Wiggins
    • Engine Block Heater (120V or 240V)
    • High Ambient Temperature Cooling, Software-Controlled
  • DRIVER'S COMPARTMENT
    • Cabin Prefilter
    • AM/FM/CD/MP3 Radio
    • Sirius Satellite Radio with Bluetooth
    • Strobe Warning
    • CB Radio Pre-Equipment
    • Sun Visor for Windshield
  • MISCELLANEOUS EQUIPMENT
    • Front and Rear Road Travel Mudguards
    • Quick Fuel Fill System (Shaw-Aero)
    • Axle Oscillation Limit
    • Heavy-Duty Rubber Mounts

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