Large Wheel Loaders

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Details

Engine Power - ISO 14396:2002
580 hp

Operating Weight
112574 lb

Bucket Capacity Range
4.7-13 m3 (6.2-17 yd3)

Contact

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+1 (316) 943-4211

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Overview

An industry leader—made better

The Cat® 988 Wheel Loader helps you move more material in less time, at a low cost per ton, for a fast return on your investment. This machine offers significant fuel savings with durability to achieve multiple lifecycles.

Benefits

BETTER FUEL EFFICIENCY

Utilizing Economy Mode helps save on fuel all while maintaining productivity

EASIER MAINTENANCE

Make regular maintenance more convenient with grouped service points

MORE PRODUCTIVITY

Deliver more productivity in most truck loading applications while using performance series buckets with increased capacities

Features at a Glance

PROVEN RELIABILITY

Cat C18 engine is built and tested to meet your most demanding applications.
Cat torque converter with lock-up clutch helps reduce torque converter losses and lowers system heat.
Maximum responsiveness with Steering and Transmission Integrated Control (STIC™).
Moves more material efficiently with improved power and control.
Durable construction withstands the toughest loading conditions and multiple lifecycles.

LONG TERM VALUE AND DURABILITY

World-class transmission for long life and consistent, smooth shifting; specifically designed for mining applications.
Advanced productivity electronic control strategy (APECS) transmission controls for optimal momentum on grades.
Positive flow control (PFC) hydraulic system helps increase efficiency, bucket feel, and responsiveness with consistent performance.
Advanced filtration system for extended performance and reliability of the hydraulic system.
Impeller clutch torque converter (ICTC) helps minimize tire spin by allowing torque to adjust to underfoot conditions.

PERFORMANCE AND PRODUCTIVITY

Superior digging, higher bucket fill factors, reduced dig times.
Improved visibility over the top of the linkage.
Operators can now monitor tire pressure during operation. Any change sending a fault code to VisionLink®, helps prevent premature tire failure.
Convenient, responsive, electro-hydraulic controls help increase operator productivity.

PERFORMANCE WITH LESS FUEL

Economy mode helps optimize engine speed control for reduced fuel consumption no matter if operating in manual throttle or throttle lock.
Flow sharing hydraulics provide full flow at reduced engine rpm.
Fully integrated electronic engine controls help make your fuel go farther.
Engine idle shutdown for less fuel used while idling.
Increased hydraulic speed and fast cycle times helps decrease idle and fuel burn, with optimal efficiency.

PRODUCTIVITY WITH TECHNOLOGY

Cat Technologies developed to monitor, manage, and enhance your jobsite operations.
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.
Cat Detect enhances awareness of the environment around working equipment and provides alerts to help keep people and assets safe on the jobsite.
Product Link™ wirelessly connects you to your equipment, giving you access to essential information you need to know to run your business.
Gain valuable insight into how your machine or fleet is performing.
Optional advanced productivity plan provides comprehensive actionable information to help you manage and improve the productivity and profitability of your operations.
Improved cycle times and bucket fill factors with optional operator coaching.
Optimized dig segment cycle with optional operator assist – tire slip prevention, auto set tires, and lift stall prevention.
Easy to operate in single pedal with dynamic braking and operator assist features that allow faster training of new operators.
Increase operator efficiency with Operator Coaching through onboard tips for truck loading operations.

*Not legal for trade.

SAFETY FIRST

Achieve precise positioning for easy loading in tight areas with 43 degrees of steering articulation.
Precise machine control by load-sensing hydraulic steering system.
Reduced stairway angles and standard stairway lighting provide reduced risk of slips, trips, and falls due to better visbility of the steps and stairway.
Computerized monitoring system with warning indicators.
Standard Cat Vision enhances visibility behind the machine, helping you work safely and confidently.
Pressurized cabin with filtered air and reduced sound levels.

SAVE ON SERVICE AND MAINTENANCE

Grouped service points provide easy access to critical daily service checks.
Swing-out engine compartment service doors.
Reduced waste with maintenance-free batteries.
Ecology drains to prevent spills and allow for easier service.
Vehicle Information Management System (VIMS™) notifications to help resolve problems before failure.
Ground level access to transmission control valves.
Long life, rebuildability, and high resale value.

OPERATOR COMFORT AND CONTROL

World-class operator comfort and ergonomics.
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.
Easy-to-reach levers and seat-mounted implement pod to help reduce fatigue.
Ergonomic switch placement and displays with LED indicators.
Two-position rocker switch activates the electro-hydraulic parking brake.
Reduced vibrations from isolated cab mounts and seat air suspension.
Automatic cab temperature controls.

PURPOSE-BUILT SPECIALTY MODELS - BLOCK HANDLER

Delivers stability and durability with an optimized counterweight for block handling applications.
A high rimpull powertrain features a torque converter and transmission specially designed for this application to maximize rimpull.
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.
Purpose-built tilt and lift cylinders on the linkage help improve load control and ensure safe and long lasting operation.
Ride control acts as a shock absorber, providing the operator with a smoother ride over rough terrain.

PURPOSE-BUILT SPECIALTY MODELS - MILLYARD

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.
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.
Additional counterweight to help increase stability for improved confidence while maneuvering with full loads.
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.

PURPOSE-BUILT SPECIALTY MODELS - STEEL MILL

Durable and reinforced attachments for operator comfort, safety, and easy machine access.
Radiator is designed for easy cleaning and to keep material from building up.
Auto reversing fan and easy access to cooling cores help keep cab at comfortable temperature.
Equipped with extra guarding and heat protection for critical machine functions.
Flame resistant ecosafe hydraulic fluid available as an option.
Performance series, serrated edge slag, straight edge slag, and slag buckets help maximize material retention and minimize dig time.

Specifications

Full Specifications

Engine: Engine Power - ISO 14396:2002
580 hp

Engine Model
Cat® C18

Rated Speed
1700/rpm

Peak Power Speed
1500/rpm

Gross Power - SAE J1995:2014
588 hp

Net Power - SAE J1349:2011
538 hp

Bore
5.7 in

Stroke
7.2 in

Displacement
1105 in³

Peak Torque - 1,200 rpm
2104 lbf·ft

Torque Rise
58 %

Note (1)
Three engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. 3. Meets China Nonroad Stage IV emission standards.

Note (2)
Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.

Operating Specifications: Operating Weight
112574 lb

Bucket Capacity Range
4.7-13 m3 (6.2-17 yd3)

Rated Payload - Quarry Face
12.5 t

Rated Payload - Loose Material
16 t

Cat Truck Match - Standard
770 - 772

Cat Truck Match - High Lift
773 - 775

Transmission: Transmission Type
Cat planetary powershift

Forward - 1
4.0 mile/h

Forward - 2
7.2 mile/h

Forward - 3
12.7 mile/h

Forward - 4
21.6 mile/h

Reverse - 1
4.7 mile/h

Reverse - 2
8.3 mile/h

Reverse - 3
14.4 mile/h

Direct Drive - Forward 1
Lock-up disabled

Direct Drive - Forward 2
7.8 mile/h

Direct Drive - Forward 3
13.9 mile/h

Direct Drive - Forward 4
24.4 mile/h

Direct Drive - Reverse 1
5.0 mile/h

Direct Drive - Reverse 2
8.9 mile/h

Direct Drive - Reverse 3
15.8 mile/h

Hydraulic System - Lift/Tilt: Lift/Tilt System - Circuit
EH- Positive Flow Control, Flow Sharing

Lift/Tilt System - Pump
Variable displacement piston

Maximum Flow at 1,400-1,860 rpm
153 gpm

Relief Valve Setting - Lift/Tilt
4757 psi

Cylinders, Double Acting - Lift, Bore and Stroke
210 mm × 1050 mm (8.7 in × 41.3 in)

Cylinders, Double Acting - Tilt, Bore and Stroke
266 mm × 685 mm (8.7 in × 27 in)

Pilot System
Variable displacement piston

Relief Valve Setting - Main
551 psi

Hydraulic Cycle Time (1,400-1,860 rpm): Rack Back
4.5 s

Raise
8.0 s

Dump
2.2 s

Lower Float Down
3.5 s

Total Hydraulic Cycle Time - Empty Bucket
18.2 s

Hydraulic System - Steering: Steering System - Circuit
Pilot, load sensing

Steering System - Pump
Piston, variable displacement

Maximum Flow at 1,400-1,600 rpm
71.3 gpm

Relief Valve Setting - Steering
4351 psi

Total Steering Angle
86 °

Steering Cycle Times - High Idle
3.4 s

Steering Cycle Times - Low Idle
5.6 s

Air Conditioning System: Air Conditioning
• The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. • If equipped with R134a (Global Warming Potential = 1430), the system contains 1.8 kg (3.9 lb) of refrigerant which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons).

Axles: Front
Fixed

Rear
Trunnion

Oscillation Angle
13 °

Brakes: Brakes
ISO 3450:2011

Operator's Cab: ROPS/FOPS
ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards

Sound Performance - Tier 4 Final / Stage V: Operator Sound Pressure Level (ISO 6396:2008)
73 dB(A)

Machine Sound Power Level (ISO 6395:2008)
111 dB(A)

Operator Sound Pressure Level (ISO 6396:2008)*
72 dB(A)

Machine Sound Power Level (ISO 6395:2008)**
109 dB(A)

Note (1)
* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”

Note (2)
** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.

Note (3)
The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (4)
The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (5)
Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.

Sound Performance - Tier 3 / Stage IIIA: Operator Sound Pressure Level (ISO 6396:2008)
73 dB(A)

Machine Sound Power Level (ISO 6395:2008)
112 dB(A)

Operator Sound Pressure Level (ISO 6396:2008)*
72 dB(A)

Machine Sound Power Level (ISO 6395:2008)**
110 dB(A)

Note (1)
* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”

Note (2)
** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.

Note (3)
The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (4)
The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (5)
Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.

Service Refill Capacities: Fuel Tank
188 gal (US)

Cooling System
31.7 gal (US)

Coolant (Validated by Test Cell Fill Quantities)
33 gal (US)

Crankcase
15.9 gal (US)

Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only)
8.7 gal (US)

Transmission
24.3 gal (US)

Transmission - Validated by Test Cell Fill Quantities
29 gal (US)

Differential - Final Drives - Front
49.1 gal (US)

Differential - Final Drives - Rear
49.1 gal (US)

Hydraulic System Factory Fill
125.5 gal (US)

Hydraulic System - Tank Only
63.4 gal (US)

Note
• All non-road Tier 4 Final/Stage V diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: – 20% biodiesel FAME (fatty acid methyl ester)* – 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. • Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** • For pre-Tier 4 engines: Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: – 100% biodiesel FAME (fatty acid methyl ester)* – 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * For use of blends higher than 20% biodiesel, consult your Cat dealer. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.

Dimensions (Approximate) - Standard Lift Linkage: Ground to Top of ROPS
13.8 ft

Ground to Top of Exhaust Stacks
14.8 ft

Ground to Top of Hood
10.9 ft

Rear Axle - Centerline to Bumper
10.5 ft

Front Axle Centerline to Bucket Tip
14 ft

Wheel Base
14.9 ft

Maximum Overall Length
39.3 ft

Ground to Lower Hitch Clearance
1.9 ft

Clearance at Maximum Lift
11.9 ft

B-Pin Height - Maximum Lift
18.0 ft

Maximum Overall Height - Bucket Raised
24.5 ft

Reach - Maximum Lift
6.5 ft

Dimensions (Approximate) - High Lift Linkage: Ground to Top of ROPS
13.8 ft

Ground to Top of Exhaust Stacks
14.8 ft

Ground to Top of Hood
10.9 ft

Rear Axle - Centerline to Bumper
10.5 ft

Front Axle Centerline to Bucket Tip
15.3 ft

Wheel Base
14.9 ft

Maximum Overall Length
40.7 ft

Ground to Lower Hitch Clearance
1.9 ft

Clearance at Maximum Lift
13.3 ft

B-Pin Height - Maximum Lift
19.3 ft

Maximum Overall Height - Bucket Raised
25.8 ft

Reach - Maximum Lift
6.8 ft

Equipment

Standard Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

ELECTRICAL

Alarm, back-up
Alternator, single 150 amp
Batteries, dry
Converter, 10/15 amp, 24V to 12V
Lighting system (LED, work lights, access and service platform lighting)
Starting and charging system, 24V
Auxiliary jump start receptacle
Starter lockout in bumper
Transmission lockout in bumper

OPERATOR ENVIRONMENT

Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
CB radio ready
Air conditioner
Cat Vision, rear vision camera system
Cab, sound suppressed and pressurized, integrated rollover protective structure/falling objects protective structure (ROPS/FOPS) radio ready for entertainment, includes antenna, speakers and converter (12-volt 5-amp) and power port
Controls, lift and tilt function
Heater, defroster
Horn, electric
Instrumentation, gauges: – Coolant temperature – Engine hour meter – Hydraulic oil temperature – Powertrain oil temperature
Light, cab, dome
Lunchbox, beverage holders
Radio, AM/FM/CD/MP3 Bluetooth®
Mirrors, rearview (externally mounted)
Rimpull Control System (RCS)
Seat, deluxe
Seat belt minder
Seat belt, retractable, 76 mm (3 in) wide
Steering and Transmission Integrated Control (STIC™) System
UV glass
Vital Information Management System (VIMS™) with Graphical Information Display: External Data Port
Wet-arm wipers/washers (front and rear): – Intermittent front and rear wipers
Lights, directional

POWERTRAIN

Brakes, oil-cooled, multi-disc, service/secondary
Case drain screens
Electro hydraulic parking brake
Engine, C18 Mechanically Actuated Electronic Unit Injection (MEUI™) diesel, turbocharged/aftercooled
Ground level engine shutdown switch
Turbine precleaner, engine air intake
Premixed 50% concentration of extended life coolant with freeze protection to –34° C (–29° F)
Radiator, Aluminum Modular Radiator (AMR)
Starting aid, ether, automatic
Throttle lock, electronic
Torque converter, Impeller Clutch (ICTC) with Lock up clutch (LUC), Rimpull Control System
Transmission, planetary powershift, 4F/3R electronic control
Manual switch and automatic fuel priming
Cat Production Measurement ready

ADDITIONAL EQUIPMENT

Base machine price includes a rim allowance
Hydraulically driven demand fan
Couplings, Cat O-ring face seals
Doors, service access (locking)
Ecology drains for engine, radiator, hydraulic tank
Fuel tank, 712 L (188 gal)
Hitch, drawbar with pin
Hoses, Cat XT™
Hydraulic, steering and brake filtration/screening system
Cat Clean Emission Module (CEM)
Oil sampling valves
Rear access to cab and service platform
Steering, load sensing
Toe kicks
Vandalism protection caplocks

Optional Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

POWERTRAIN

–50° C (–58° F) antifreeze
Crankcase guard
Engine oil change system, high speed, Wiggins
High ambient cooling – software
Cat Production Measurement

OPERATOR ENVIRONMENT

Cab precleaner
LED warning strobe
Window pull down visor
Handrail mounted mirrors

ADDITIONAL EQUIPMENT

Additional counterweight
Front and rear roading fenders
Fast fill fuel system (Shaw-Aero)
Cold weather package: additional starter and 2 batteries, engine block heater 120V or 240V, heated fuel lines

OTHER OPTIONAL CONFIGURATIONS