988 Wheel Loader

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988 Wheel Loader

Overview

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 low cost per ton. Introduced in 1963, the 988 has been an industry leader for 60 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 988 continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.

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  • Cat C18 engine is built and tested to meet your most demanding applications.
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  • Cat torque converter with lock-up clutch helps reduce torque converter losses and lowers system heat.
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  • Maximum responsiveness with Steering and Transmission Integrated Control (STIC™).
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  • Moves more material efficiently with improved power and control.
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  • Durable construction withstands the toughest loading conditions and multiple lifecycles.
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  • World-class transmission for long life and consistent, smooth shifting; specifically designed for mining applications.
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  • Advanced productivity electronic control strategy (APECS) transmission controls for optimal momentum on grades.
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  • Positive flow control (PFC) hydraulic system helps increase efficiency, bucket feel, and responsiveness with consistent performance.
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  • Advanced filtration system for extended performance and reliability of the hydraulic system.
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  • Impeller clutch torque converter (ICTC) helps minimize tire spin by allowing torque to adjust to underfoot conditions.
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  • Superior digging, higher bucket fill factors, reduced dig times.
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  • Improved visibility over the top of the linkage.
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  • Operators can now monitor tire pressure during operation. Any change sending a fault code to VisionLink®, helps prevent premature tire failure.
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  • Convenient, responsive, electro-hydraulic controls help increase operator productivity.
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  • Economy mode helps optimize engine speed control for reduced fuel consumption no matter if operating in manual throttle or throttle lock.
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  • Flow sharing hydraulics provide full flow at reduced engine rpm.
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  • Fully integrated electronic engine controls help make your fuel go farther.
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  • Engine idle shutdown for less fuel used while idling.
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  • Increased hydraulic speed and fast cycle times helps decrease idle and fuel burn, with optimal efficiency.
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  • Cat Technologies developed to monitor, manage, and enhance your jobsite operations.
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  • Cat Payload provides accurate weighing* of the materials you are loading and hauling. Payload data is displayed in real-time to improve productivity and reduce overloading.
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  • Cat Detect enhances awareness of the environment around working equipment and provides alerts to help keep people and assets safe on the jobsite.
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  • Product Link™ wirelessly connects you to your equipment, giving you access to essential information you need to know to run your business.
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  • Gain valuable insight into how your machine or fleet is performing.
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  • Optional advanced productivity plan provides comprehensive actionable information to help you manage and improve the productivity and profitability of your operations.
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  • Improved cycle times and bucket fill factors with optional operator coaching.
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  • Optimized dig segment cycle with optional operator assist – tire slip prevention, auto set tires, and lift stall prevention.
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  • Easy to operate in single pedal with dynamic braking and operator assist features that allow faster training of new operators.
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  • Increase operator efficiency with Operator Coaching through onboard tips for truck loading operations.
*Not legal for trade.
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  • Achieve precise positioning for easy loading in tight areas with 43 degrees of steering articulation.
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  • Precise machine control by load-sensing hydraulic steering system.
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  • Reduced stairway angles and standard stairway lighting provide reduced risk of slips, trips, and falls due to better visbility of the steps and stairway.
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  • Computerized monitoring system with warning indicators.
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  • Standard Cat Vision enhances visibility behind the machine, helping you work safely and confidently.
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  • Pressurized cabin with filtered air and reduced sound levels.
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  • Grouped service points provide easy access to critical daily service checks.
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  • Swing-out engine compartment service doors.
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  • Reduced waste with maintenance-free batteries.
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  • Ecology drains to prevent spills and allow for easier service.
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  • Vehicle Information Management System (VIMS™) notifications to help resolve problems before failure.
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  • Ground level access to transmission control valves.
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  • Long life, rebuildability, and high resale value.
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  • World-class operator comfort and ergonomics.
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  • Cat Premium Plus seat with standard features including leather finish, forced air heating and cooling, two-way thigh adjustment, power lumbar and back bolster adjustment, and dynamic end dampening to provide total comfort throughout the workday.
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  • Easy-to-reach levers and seat-mounted implement pod to help reduce fatigue.
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  • Ergonomic switch placement and displays with LED indicators.
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  • Two-position rocker switch activates the electro-hydraulic parking brake.
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  • Reduced vibrations from isolated cab mounts and seat air suspension.
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  • Automatic cab temperature controls.
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  • Delivers stability and durability with an optimized counterweight for block handling applications.
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  • A high rimpull powertrain features a torque converter and transmission specially designed for this application to maximize rimpull.
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  • An additional hydraulic valve with the quick coupler allows the operator to switch work tools and immediately lock the work tool during load and carry applications.
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  • Purpose-built tilt and lift cylinders on the linkage help improve load control and ensure safe and long lasting operation.
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  • Ride control acts as a shock absorber, providing the operator with a smoother ride over rough terrain.
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  • Unload a typical full-length log truck in a single pass with the larger lift and tilt cylinders and a unique tilt lever to maximize linkage force. Designed with more lift capacity and 26% more tilt capacity over the standard 988. 
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  • Swing out fan radiator design for easy service in high-debris millyard applications helping to reduce maintenance and service down time. Auto reversing fan system to help dislodge debris and keep air flowing across the radiator cores. 
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  • Additional counterweight to help increase stability for improved confidence while maneuvering with full loads. 
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  • Purpose-built lift arm with lowered cross member to help increase visibility to the tips of the forks helping to increase the speed when lining up the load and reduce operator movements to see the forks. 
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  • Durable and reinforced attachments for operator comfort, safety, and easy machine access.
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  • Radiator is designed for easy cleaning and to keep material from building up.
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  • Auto reversing fan and easy access to cooling cores help keep cab at comfortable temperature.
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  • Equipped with extra guarding and heat protection for critical machine functions.
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  • Flame resistant ecosafe hydraulic fluid available as an option.
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  • Performance series, serrated edge slag, straight edge slag, and slag buckets help maximize material retention and minimize dig time.
Net Power – SAE J1349:2011
538hp
Engine Power – ISO 14396:2002
580hp
Gross Power – SAE J1995:2014
588hp
Engine Model
Cat® C18 ™
Peak Power Speed
1500/rpm
Rated Speed
1700/min
Emissions
U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards, Brazil MAR-1 and China Nonroad Stage IV emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA, and U.S. EPA Tier 2 and EU Stage II
Bore
5.7in
Stroke
7.2in
Displacement
1105in³
Peak Torque – 1,200 rpm
2230lb/ft
Torque Rise
58%
Operating Weight
112574lb
Rated Payload – Quarry Face
12.5t
Rated Payload – Loose Material
16t
Bucket Capacity Range
4.7-13 m3 (6.2-17 yd3)
Cat Truck Match – Standard
770~772
Cat Truck Match – High Lift
773~775
Transmission Type
Cat planetary powershift
Forward – 1
4mile/h
Forward – 2
7.2mile/h
Forward – 3
12.7mile/h
Forward – 4
21.6mile/h
Reverse – 1
4.7mile/h
Reverse – 2
8.3mile/h
Reverse – 3
14.4mile/h
Direct Drive – Forward 1
Lock-up disabled
Direct Drive – Forward 2
7.8mile/h
Direct Drive – Forward 3
13.9mile/h
Direct Drive – Forward 4
24.4mile/h
Direct Drive – Reverse 1
5mile/h
Direct Drive – Reverse 2
8.9mile/h
Direct Drive – Reverse 3
15.8mile/h