List Rates
Online rates are currently unavailable. Please contact this store for more details.988K Wheel Loader
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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Engine
Operating Specifications
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Bucket Capacity Range 4.7-13 m3 (6.2-17 yd3)
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Cat Truck Match - High Lift 773~775
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Cat Truck Match - Standard 770~772
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Operating Weight 112574lb
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Rated Payload - Loose Material 16t
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Rated Payload - Quarry Face 12.5t
Buckets
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Bucket Capacities 4.7-13 m3 (6.2-17 yd3)
Transmission
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Direct Drive - Forward 1 Lock-up disabled
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Direct Drive - Forward 2 7.8mile/h
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Direct Drive - Forward 3 13.9mile/h
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Direct Drive - Forward 4 24.4mile/h
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Direct Drive - Reverse 1 5mile/h
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Direct Drive - Reverse 2 8.9mile/h
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Direct Drive - Reverse 3 15.8mile/h
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Forward - 1 4mile/h
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Forward - 2 7.2mile/h
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Forward - 3 12.7mile/h
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Forward - 4 21.6mile/h
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Reverse - 1 4.7mile/h
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Reverse - 2 8.3mile/h
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Reverse - 3 14.4mile/h
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Transmission Type Cat-Planetenlastschaltgetriebe
Axles
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Front Fixed
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Oscillation Angle 13 °
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Rear Trunnion
Service Refill Capacities
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Coolant (Validated by Test Cell Fill Quantities) 33gal (US)
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Cooling System 31.7gal (US)
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Crankcase 15.9gal (US)
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Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage IV Only) 8.7gal (US)
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Differential - Final Drives - Front 49.1gal (US)
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Differential - Final Drives - Rear 49.1gal (US)
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Fuel Tank 188gal (US)
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Hydraulic System - Tank Only 63.4gal (US)
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Hydraulic System Factory Fill 125.5gal (US)
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Transmission 31.7gal (US)
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Transmission - Validated by Test Cell Fill Quantities 29gal (US)
Hydraulic System - Lift/Tilt
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Cylinders, Double Acting - Lift, Bore and Stroke 210 mm × 1050 mm (8.7 in × 41.3 in)
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Cylinders, Double Acting - Tilt, Bore and Stroke 269 mm × 685 mm (8.7 in × 27 in)
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Lift/Tilt System Variable displacement piston
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Lift/Tilt System - Circuit EH- Positive Flow Control, Flow Sharing
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Maximum Flow 13.7gal/min
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Maximum Flow at 1,400-1,860 rpm 153gal/min
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Pilot System Variable displacement piston
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Relief Valve Setting - Lift/Tilt 4757psi
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Relief Valve Setting - Main 551psi
Hydraulic System - Steering
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Maximum Flow 71.3gal/min
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Relief Valve Setting - Steering 4351psi
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Steering Cycle Times - High Idle 3.4s
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Steering Cycle Times - Low Idle 5.6s
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Steering System - Circuit Pilot, load sensing
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Steering System - Pump Piston, variable displacement
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Total Steering Angle 86 °
Hydraulic Cycle Time (1,400-1,860 rpm)
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Dump 2.2s
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Lower Float Down 3.5s
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Rack Back 4.5s
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Raise 8s
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Total Hydraulic Cycle Time - Empty Bucket 18.2s
Sound Performance - Tier 4 Final/Stage IV - Standard
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Machine Sound Level (ISO 6395) 111dB(A)
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Operator Sound Level (ISO 6396) 72dB(A)
Sound Performance - Tier 4 Final/Stage IV: Suppression
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Machine Sound Level (ISO 6395) 109dB(A)
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Operator Sound Level (ISO 6396) 72dB(A)
Sound Performance - Tier 2 Equivalent/Stage II: Suppression
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Machine Sound Level (ISO 6395) 110dB(A)
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Operator Sound Level (ISO 6396) 72dB(A)
Sound Performance - Tier 2 Equivalent/Stage II: Standard
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Machine Sound Level (ISO 6395) 112dB(A)
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Operator Sound Level ( ISO 6396) 73dB(A)
Brakes
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Brakes SAE J1473 OKT90, ISO 3450:1992
Standard Equipment
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Standard and optional equipment may vary. Consult your Cat dealer for details.
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Alarm, back-up
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Alternator, single 150 amp
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Batteries, dry
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Converter, 10/15 amp, 24V to 12V
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Lighting system (halogen, work lights, access and service platform lighting)
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Starting and charging system, 24V
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Starter emergency start receptacle
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Starter lockout in bumper
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Transmission lockout in bumper
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Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
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Air conditioner
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Cat Detect Vision, rear vision camera system
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Cab, sound suppressed and pressurized, integrated rollover protective structure (ROPS/FOPS) radio ready for entertainment, includes antenna, speakers and converter (12-volt 5-amp) and power port
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Controls, lift and tilt function
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Heater, defroster
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Horn, electric
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Instrumentation, gauges: – Coolant temperature – Engine hour meter – Hydraulic oil temperature – Power train oil temperature
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Light, cab, dome
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Lunchbox, beverage holders
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Mirrors, rearview (externally mounted)
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Rimpull Control System
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Seat, Cat Comfort (cloth), air suspension, six-way adjustable
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Seat belt minder
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Seat belt, retractable, 76 mm (3 in) wide
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STIC Control System
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UV glass
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Transmission gear indicator
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Vital Information Management System (VIMS) with Graphical Information Display: External Data Port, Customizable Operator Profiles, Cycle Timer, Integrated Payload Control System
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Wet-Arm wipers/washers (front and rear): – Intermittent front and rear wipers
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Lights, directional
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Brakes, oil-cooled, multi-disc, service/secondary
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Case drain screens
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Crankcase guard
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Electro hydraulic parking brake
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Engine, C18 MEUI diesel, turbocharged/aftercooled
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Ground level engine shutoff
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Turbine precleaner, engine air intake
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Radiator, Aluminum Modular Radiator (AMR)
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Starting aid, ether, automatic
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Throttle lock, electronic
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Torque converter, Impeller Clutch (ICTC) with Lock up clutch (LUC), Rimpull Control System
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Transmission, planetary powershift, 4F/3R electronic control
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Manual switch and automatic fuel priming
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Cat Production Measurement ready
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Automatic bucket lift kickout/positioner
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Base machine price includes a rim allowance
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Hydraulically driven demand fan
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Couplings, Cat O-ring face seals
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Doors, service access (locking)
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Ecology drains for engine, radiator, hydraulic tank
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Fuel tank, 731 L (188 gal)
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Hitch, drawbar with pin
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Hoses, Cat XT™
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Hydraulic, steering and brake filtration/screening system
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Cat Clean Emission Module
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Oil sampling valves
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Premixed 50% concentration of extended life coolant with freeze protection to –34° C (–29° F)
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Rear access to cab and service platform
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Steering, load sensing
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Toe kicks
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Vandalism protection caplocks
Optional Equipment
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Standard and optional equipment may vary. Consult your Cat dealer for details.
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–50° C (–58° F) antifreeze
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Engine oil change system, high speed, Wiggins
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Engine block heater 120V or 240V
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High ambient cooling – software
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Cat Production Measurement
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Cab precleaner
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AM/FM/CD/MP3 radio
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Satellite Sirius radio with bluetooth
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LED warning strobe
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CB radio ready
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Window pull down visor
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Handrail mounted mirrors
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Front and rear roading fenders
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Fast fill fuel system (Shaw-Aero)
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Cold Weather Starting (extra starter plus two batteries)
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Aggregate Handler
*Images are for general reference only. Individual product models may vary. Please consult with your dealer to verify machine configuration.
Bore 5.7in
Displacement 1105in³
Emissions U.S. EPA Tier 4 Final/EU Stage V OR Tier 3/Stage IIIA Equivalent OR Tier 2/Stage II Equivalent
Engine Model Cat® C18 ™
Gross - ISO 14396 580HP
Net Power 541HP
Net Power - SAE J1349 541HP
Peak Power Speed 1500/min
Peak Power Speed - 1,500 rpm - Gross - ISO 14396 580HP
Peak Power Speed - 1,500 rpm - Gross - SAE J1995 588HP
Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 541HP
Peak Torque - 1,200 rpm 2104lb/ft
Rated Speed 1700/min
Stroke 7.2in
Torque Rise 58%