Incarcatoare frontale de talie mare Cat® 988K

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. Introduced in 1963, the 988 has been the industry leader for 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 988K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.

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PROVEN RELIABILITY

Steering and Transmission Integrated Control System (STIC™)

Experience maximum responsiveness and control with STIC that combines directional selection, gear selection and steering into a single lever.

  • Simple side-to-side motion turns machine right or left, minimizing operator movements.
  • Easy to operate finger controlled gear selection.
  • Smoother, faster cycles and less operator fatigue through the use of low effort integrated controls.

Cat Planetary Powershift Transmission

Building your success begins with a best-in-class transmission designed specifically for mining applications.

  • Consistent, smooth shifting and efficiency through integrated electronic controls that utilize Advanced Productivity Electronic Control Strategy (APECS).
  • Long life and reliability through heat treat gear and metallurgy.
  • Four forward and three reverse speeds to match your application.

Cat C18 Engine

Durability and efficiency at the heart of your 988K comes from the Cat C18 Engine. Optimum performance is built in through the use of a 6 cylinder, four-stroke design.

  • Optimized performance and quick engine response with an electronic control module.
  • Reliable efficiency with complete control over injection timing, duration and pressure with Mechanically Actuated Electronic Unit Injection (MEUI™).
  • Extended engine life and improved fuel efficiency with reduced rated speed.
  • Designed to meet Tier 4 Final/Stage IV OR Tier 3/Stage IIIA Equivalent OR Tier 2/Stage II Equivalent emission standards.

Impeller Clutch Torque Converter (ICTC) and Rimpull Control System (RCS)

Lower your cost per ton utilizing advanced ICTC and RCS for modulated rimpull.

  • Reduce tire slippage and wear by modulating rimpull from 100 to 25 percent while depressing left pedal. After 25 percent rimpull is achieved the left pedal applies the brake.
  • Reduce the potential for wheel slippage without reducing hydraulic efficiency with RCS.
  • Improve fuel efficiency in certain applications with our lock-up clutch torque converter providing direct drive.

PERFORMANCE AND PRODUCTIVITY

Positive Flow Control Hydraulics

Increase efficiency through our Positive Flow Control (PFC) Hydraulic System. PFC has concurrent pump and valve control. By optimizing pump control, hydraulic oil flow is proportionate to implement lever movement.

  • Fast, productive cycles are enabled by the fully variable implement pump.
  • Increase bucket feel and control through increased hydraulic response.
  • Consistent performance and efficiency with lower system heat.
  • Full hydraulic flow down to 1,400 engine rpm enabled by flow sharing technology.

Electro Hydraulic Controls

Operators increase productivity with our responsive implements feature.

  • Operate comfortably through electronically controlled hydraulic cylinder stops.
  • Handle easy-to-use soft detent controls.
  • Conveniently set automatic implement kickouts from inside the cab.

Steering System

Confident loader operation starts with precise machine control enabled by the 988K's load sensing hydraulic steering system.

  • Increase efficiency with our variable displacement piston pumps.
  • Achieve precise positioning for easy loading in tight areas with 43 degrees of steering articulation.
  • Enhance operator comfort with integrated steering and transmission control functions.

Filtration System

Benefit from extended performance and reliability of your hydraulic system with our advanced filtration system.

  • Case drain screens.
  • Hydraulic oil cooler return filter.
  • Pilot filter.
  • Return screens inside hydraulic tank.
  • Axle oil cooler screens if equipped.

SAFETY FIRST

We are constantly improving our products in an effort to provide a safe work environment for the operator and those who work on your job site.

Machine Access

  • Left and right hand stairs with 45 degree angle enhance safety for operators getting on and off the 988K.
  • Continuous walkway with non-skid surfaces are designed into the service areas.
  • Maintain three points of contact at all times through ground level or platform accessible service areas.

Visibility

  • Optional heated mirrors ensure enhanced visibility for safe operation.
  • Standard Cat Vision or optional Cat Detect with radar increase operator awareness around the machine.
  • Optional HID or LED lights provide excellent workspace visibility.
  • Optional cab mounted LED warning beacons.

Operator Environment

  • Reduced vibrations to the operator with isolated cab mounts and seat mounted implement and steering controls.
  • Low interior sound levels.
  • Pressurized cab with filtered air.
  • Standard 76 mm (3 in) seat belts on the operator seat.

LONG TERM VALUE AND DURABILITY

Robust Structures

Your bottom line is improved by highly durable structures that achieve multiple life cycles and withstand the toughest loading conditions.

  • Full box-section rear frame resists torsional shock and twisting forces.
  • Heavy-duty steering cylinder mounts efficiently transmit steering loads into the frame.
  • Axle mounting has been optimized for increased structural integrity.
  • Lower hitch pin, frame plate, and bearing size have been increased for longer life.

Lift Arms

  • Excellent visibility to the bucket edges and work area through a Z-bar design.
  • High load stresses are absorbed by the solid steel lift arms.
  • Enhance strength in key pin areas through the use of one piece castings.
  • Stress relieved lift arms increase durability and lengthen time to repair.

Front Linkage

To ensure long life and reliability, the linkage pin joints feature a greased pin design with an auto lube system attachment available from the factory.

POWERFUL EFFICIENCY

Cat C18 Engine

The Cat C18 engine is built and tested to meet your most demanding applications while meeting Tier 4 Final/Stage IV OR Tier 3/Stage IIIA Equivalent OR Tier 2/Stage II Equivalent emission standards.

  • Fully integrated electronic engine controls works in concert with the entire machine to make your fuel go farther.
  • Use less fuel idling with Engine Idle Shutdown.
  • Maximized durability with Delayed Engine Shutdown.

Cat Planetary Powershift Transmission

Featuring all new Advanced Productivity Electronic Control Shifting (APECS) transmission controls provides greater momentum on grades and fuel savings by carrying that momentum through the shift points.

Impeller Clutch Torque Converter (ICTC)

Enable your operators to maximize efficiency by varying machine rimpull while putting more horsepower to hydraulics.

  • Reduced tire wear
  • Enables full throttle shifts for faster cycle times
  • Provides smooth approach to the dump target for less spillage and faster cycle times.

Cat Torque Converter with Lock-up Clutch

  • Eliminates TC losses while lowering system heat
  • Improves travel speeds
  • Reduces cycle times in load and carry operations

Economy Mode

Enabling maximum productivity and efficiency, all day every day. The 988K systems work hard to save you fuel through advanced technologies. Utilizing On Demand Throttle, operators maintain normal operation with the left pedal and implements while the 988K manages the engine speed.

  • Provides similar control and feel to our traditional throttle lock feature.
  • Efficiency of manual throttle and the ergonomics of throttle lock operation.
  • Reduced fuel consumption by up to 20% compared to the 988H.

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, maximizing the productivity of both.

Information Display

We have worked hard to help our customers and operators perform at their best through our newly upgraded touch screen information display.

  • Intuitive operation and easy navigation with our enhanced user interface.
  • Decrease service time by keeping operators informed about machine systems.
  • Quick on-the-go weighing with the Cat Production Measurement.

Cat Product Link™

Mit dem Product Link-Telematiksystem sind Sie beim Maschinenmanagement nicht mehr auf Vermutungen angewiesen.

  • Zugriff auf Informationen durch die einfach zu bedienende VisionLink®-Website.
  • Optimierung der Maschinenverfügbarkeit durch ständige Verfügbarkeit von Informationen zum Maschinensystem und von Diagnosecodes.
  • Verfolgen des Maschinenzustands anhand von Übersichten zu Produktivität, Kraftstoffverbrauch und Nutzlast.
  • Laufend aktuelle Informationen zu Maschinenstandort, Betriebsstunden und Berichtsstatus.

Maschinendatenerfassungssystem (Vital Information Management System, VIMS™)

Connect directly to the machine for access to a wide range of sensor information and enhanced machine data.

  • Create productivity reports with payload and work cycle segmentation.
  • Identify operator training needs through productivity data.
  • Detailed data logging of machine parameters and diagnostic codes.
  • Track machine sensor information with trend analysis and histograms to monitor machine health.

OPERATOR COMFORT AND CONTROL

Your operators can work more efficiently and stay comfortable with our customer-inspired cab features.

Entry and Exit

Enter and exit the cab easily and safely with these newly designed, ergonomic features.

  • Fold up STIC steer/armrest.
  • Reduced access stairway angles.
  • Standard stairway lighting.

Cat Comfort Series III Seat

Enhance comfort and helps reduce operator fatigue with Cat Comfort Series III seat.

  • Mid back design and extra thick, contoured cushions.
  • Air suspension system.
  • Easy-to-reach seat levers and controls for six way adjustments.
  • Seat-mounted implement pod and STIC steer that moves with the seat.
  • 76 mm (3 in) wide retractable seat belt.

Control Panel

Ergonomic placement of switches and information display keep your operators comfortable all day every day.

  • Large backlit membrane switches feature LED activation indicators.
  • Switches feature ISO symbols for quick function identification.
  • Two position rocker switch activates the electro hydraulic park brake.

Environment

Your operator's productivity is enhanced with our clean, comfortable cab environment.

  • Experience reduced vibrations from isolated cab mounts and seat air suspension.
  • Maintain desired cab temperature with automatic temperature controls.
  • Pressurized cab with filtered air.
  • Reduced operator sound levels.
  • Convenient floor storage tray/lunch box.

ATTACHMENTS TO MEET YOUR NEEDS

Enhance the productivity of your loader and protect your investment in buckets with our Ground Engaging Tools (GET). Your knowledgeable Cat dealer will work with you to understand your application and needs for the GET that is best for you.

Performance Series Buckets

Performance Series Buckets feature an optimized profile maximizing material retention and minimizing dig time, translating into significant productivity and fuel efficiency improvements. All 988K buckets are manufactured with the Performance Series design.

Rock Bucket

Applications: Face loading tightly compacted pit materials.

General Purpose Bucket

Applications: Loading loose, stockpiled material.

GET Options

Multiple GET options are available to customize your 988K to your application, such as:

  • Sidebar protectors.
  • General duty and penetration tips.
  • Standard and half arrow segments.

Specificatii tehnice

SPECIFICATII TEHNICE

Engine
Net Power 403 kW
Engine Model Cat® C18 ™
Bore 145 mm
Stroke 183 mm
Displacement 18.1 l
Torque Rise 58 %
Rated Speed 1700/min
Peak Torque - 1,200 rpm 2852 N·m
Net Power - SAE J1349 403 kW
Peak Power Speed 1500/min
Peak Power Speed - 1,500 rpm - Gross - ISO 14396 432 kW
Gross - ISO 14396 432 kW
Peak Power Speed - 1,500 rpm - Gross - SAE J1995 439 kW
Emissions U.S. EPA Tier 4 Final/EU Stage IV OR Tier 3/Stage IIIA Equivalent OR Tier 2/Stage II Equivalent
Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 403 kW
Operating Specifications
Operating Weight 51062 kg
Bucket Capacity Range 4.7-13 m3 (6.2-17 yd3)
Rated Payload - Quarry Face 11.3 t
Cat Truck Match - High Lift 773~775
Rated Payload - Loose Material 14.5 t
Cat Truck Match - Standard 770~772
Transmission
Transmission Type Cat-Planetenlastschaltgetriebe
Forward - 1 6.5 km/h
Forward - 2 11.6 km/h
Forward - 3 20.4 km/h
Forward - 4 34.7 km/h
Reverse - 1 7.5 km/h
Reverse - 2 13.3 km/h
Reverse - 3 23.2 km/h
Direct Drive - Reverse 2 14.3 km/h
Direct Drive - Reverse 3 25.5 km/h
Direct Drive - Forward 2 12.5 km/h
Direct Drive - Reverse 1 8 km/h
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 3 22.3 km/h
Direct Drive - Forward 4 39.3 km/h
Hydraulic System - Lift/Tilt
Maximum Flow 52 l/min
Maximum Flow at 1,400-1,860 rpm 580 l/min
Lift/Tilt System Variable displacement piston
Cylinders, Double Acting - Tilt, Bore and Stroke 269 mm × 685 mm (8.7 in × 27 in)
Relief Valve Setting 3800 kPa
Relief Valve Setting - Lift/Tilt 32800 kPa
Pilot System Variable displacement piston
Cylinders, Double Acting - Lift, Bore and Stroke 210 mm × 1050 mm (8.7 in × 41.3 in)
Lift/Tilt System - Circuit EH- Positive Flow Control, Flow Sharing
Service Refill Capacities
Fuel Tank 712 l
Cooling System 120 l
Crankcase 60 l
Transmission 120 l
Hydraulic System - Tank Only 240 l
Differential - Final Drives - Rear 186 l
Hydraulic System Factory Fill 475 l
Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage IV Only) 33 l
Differential - Final Drives - Front 186 l
Buckets
Bucket Capacities 4.7-13 m3 (6.2-17 yd3)
Axles
Front Fixed
Rear Trunnion
Oscillation Angle 13 °
Brakes
Brakes SAE J1473 OKT90, ISO 3450:1992
Hydraulic System - Steering
Steering System - Pump Piston, variable displacement
Total Steering Angle 86 °
Maximum Flow 270 l/min
Relief Valve Setting - Steering 30000 kPa
Steering Cycle Times - High Idle 3.4 s
Steering System - Circuit Pilot, load sensing
Steering Cycle Times - Low Idle 5.6 s
Hydraulic Cycle Time (1,400-1,860 rpm)
Total Hydraulic Cycle Time - Empty Bucket 18.2 s
Lower Float Down 3.5 s
Rack Back 4.5 s
Raise 8 s
Dump 2.2 s
Sound Performance - Tier 4 Final/Stage IV - Standard
Operator Sound Level (ISO 6396) 72 dB(A)
Machine Sound Level (ISO 6395) 111 dB(A)
Sound Performance - Tier 4 Final/Stage IV: Suppression
Machine Sound Level (ISO 6395) 109 dB(A)
Operator Sound Level (ISO 6396) 72 dB(A)
Sound Performance - Tier 2 Equivalent/Stage II: Suppression
Operator Sound Level (ISO 6396) 72 dB(A)
Sound Performance - Tier 2 Equivalent/Stage II: Standard
Machine Sound Level (ISO 6395) 112 dB(A)
Sound Performance - Tier 2 Equivalent/Stage II: Suppression
Machine Sound Level (ISO 6395) 110 dB(A)
Service Refill Capacities
Coolant (Validated by Test Cell Fill Quantities) 125 l
Transmission - Validated by Test Cell Fill Quantities 110 l
Sound Performance - Tier 2 Equivalent/Stage II: Standard
Operator Sound Level ( ISO 6396) 73 dB(A)
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