Cat Wheel Loaders:

988K XE Wheel Loader

Ground to Lower Hitch Clearance
1.9 ft
Ground to Top of Exhaust Stacks
14.8 ft
Ground to Top of Hood
10.9 ft
Ground to Top of ROPS
13.7 ft

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 over 50 years, built on a legacy of reliability, performance, safety, operator comfort, serviceability, and productivity. The 988K XE brings improved sustainability and maximum efficiency to this machine platform.



Product Specs

  • Dimensions (Approximate) - Standard Lift

  • Ground to Lower Hitch Clearance
    1.9ft
    Ground to Top of Exhaust Stacks
    14.8ft
    Ground to Top of Hood
    10.9ft
    Ground to Top of ROPS
    13.7ft
    Maximum Overall Height - Bucket Raised
    24.5ft
    Maximum Overall Length
    40ft
    Note
    Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.
    Reach - Maximum Lift
    6.8ft
    Rear Axle - Centerline to Bumper
    10.5ft
    Wheel Base
    14.9ft
    B-Pin Height - Maximum Lift
    18ft
    Clearance at Maximum Lift
    11.3ft
    Front Axle Centerline to Bucket Tip
    14.7ft
    Ground to Bumper Clearance
    3.1ft
    Ground to Center of Axles
    3.2ft
  • Hydraulic System - Steering

  • Steering
    ISO 5010:2007
    Maximum Flow at 1,400-1,600 rpm
    71.3gal/min
    Steering Cut Off Pressure
    4351psi
    Steering Cycle Times - High Idle
    3.4s
    Steering Cycle Times - Low Idle
    5.6s
    Steering System - Circuit
    Pilot, load sensing
    Steering System - Pump
    Piston, variable displacement
    Total Steering Angle
    86°
  • Operating Specifications

  • Operating Weight - High Lift
    119618lb
    Operating Weight - Standard
    116362lb
    Operating Weight
    116362lb
    Bucket Capacity Range
    4.7-13 m3 (6.2-17 yd3)
    Rated Payload - High Lift (Face Material)
    12.5t
    Rated Payload - High Lift (Loose Material)
    16t
    Rated Payload - Standard (Face Material)
    12.5t
    Rated Payload - Standard (Loose Material)
    16t
  • Operator's Cab

  • ROPS/FOPS
    ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
  • Service Refill Capacities

  • Note
    All non-road Tier 4 Final/Stage IV diesel engines are required to use: – The machine has the flexibility to run on either ultra-low-sulfur diesel fuel (ULSD with 15 ppm of sulfur or less) or up to B20 biodiesel when feedstock meeting ASTM D7467 specificat
    Fuel Tank
    147gal (US)
    Transmission
    16gal (US)
    Cooling System - Jacket Water
    30gal (US)
    Cooling Systems - Power Train
    8gal (US)
    Diesel Exhaust Fluid Tank
    8.7gal (US)
    Differential - Final Drives - Front
    49gal (US)
    Differential - Final Drives - Rear
    49gal (US)
    Engine Crankcase
    16gal (US)
    Hydraulic System - Implement/Steering
    126gal (US)
  • Sound Performance - Tier 4 Final/Stage IV

  • Note (3)
    The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
    Machine Sound Level (ISO 6395)
    109dB(A)
    Operator Sound Level (ISO 6396)
    72dB(A)
    Note (1)
    The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
    Note (2)
    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.
  • Engine

  • Net Power
    541HP
    Engine Model
    Cat® C18 ACERT™
    Bore
    5.7in
    Stroke
    7.2in
    Displacement
    1105in³
    Rated Speed
    1,700 rpm
    Emissions
    U.S. EPA Tier 4 Final/EU Stage IV
    Gross Power - ISO 14396
    580HP
    Net Power - SAE J1349
    541HP
    Peak Power Speed
    1,500 rpm
    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 @ (speed) - SAE J1995
    2104ft·lbf
    Torque Rise
    58%
  • Transmission

  • Transmission Type
    Cat switched reluctance electric drive
    Forward 1 (virtual)
    4.3mile/h
    Forward 2 (virtual)
    7mile/h
    Forward 3 (virtual)
    13.8mile/h
    Forward 4 (virtual)
    20mile/h
    Reverse 1 (virtual)
    4.3mile/h
    Reverse 2 (virtual)
    7mile/h
    Reverse 3 (virtual)
    17.5mile/h
  • Hydraulic System - Lift/Tilt

  • Lift Cylinder - Bore
    8.7in
    Lift Cylinder - Stroke
    41.3in
    Lift/Tilt System - Circuit
    EH-Positive Flow Control, Flow Sharing
    Lift/Tilt System - Pump
    Variable displacement piston
    Maximum Flow at 1,400-1,600 rpm
    153gal/min
    Relief Valve Setting - Lift/Tilt
    4757psi
    Tilt Cylinder - Bore
    8.7in
    Tilt Cylinder - Stroke
    27in
  • Buckets

  • Bucket Capacities
    4.7-13 m3 (6.2-17 yd3)
  • Axles

  • Front
    Fixed
    Rear
    Trunnion
    Oscillation Angle
    13°
  • Brakes

  • Brakes
    ISO 3450:2011
  • Hydraulic Cycle Times

  • Dump
    2.2s
    Lower Float Down
    3.5s
    Rack Back
    4.5s
    Raise
    8s
    Total Hydraulic Cycle Time
    18.2s
  • Air Conditioning System

  • Air Conditioning
    The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.
  • Dimensions (Approximate) - High Lift

  • B-Pin Height - Maximum Lift
    19.3ft
    Clearance at Maximum Lift
    12.7ft
    Front Axle Centerline to Bucket Tip
    15.9ft
    Ground to Bumper Clearance
    3.1ft
    Ground to Center of Axles
    3.2ft
    Ground to Lower Hitch Clearance
    1.9ft
    Ground to Top of Exhaust Stacks
    14.8ft
    Ground to Top of Hood
    10.9ft
    Ground to Top of ROPS
    13.7ft
    Maximum Overall Height - Bucket Raised
    25.8ft
    Maximum Overall Length
    41.3ft
    Note
    Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.
    Reach - Maximum Lift
    7ft
    Rear Axle - Centerline to Bumper
    10.5ft
    Wheel Base
    14.9ft

Equipment

  • Electrical
    • Alarm, back-up
    • Alternator, single 150 amp
    • Batteries, dry
    • Converter, 10/15 amp, 24V to 12V
    • Lighting system (halogen, work lights, access and service platform lighting)
    • Starting and charging system, 24V
    • Starter emergency start receptacle
    • Starter lockout in bumper
    • Transmission lockout in bumper
    • Hazardous voltage lamp
  • Operator Environment
    • Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
    • Air conditioner
    • Cat Detect Vision, rear vision camera system
    • 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
    • Controls, lift and tilt function
    • Heater, defroster
    • Horn, electric
    • Instrumentation, gauges
      – Coolant temperature
      – Engine hour meter
      – Hydraulic oil temperature
      – Power train oil temperature
    • Light, cab, dome
    • Lunchbox, beverage holders
    • CB radio-ready
    • Mirrors, rearview (externally mounted)
    • Rimpull Control System
    • Seat, Cat Comfort Series III, heated and ventilated, air suspension, six-way adjustable
    • Seat belt minder
    • Seat belt, retractable, 76 mm (3 in) wide
    • STIC Control System
    • UV glass
    • Virtual gear indicator
    • Vital Information Management System (VIMS) with Graphical Information Display: External Data Port, Customizable Operator Profiles, Cycle Timer, Integrated Payload Control System
    • Wet-Arm wipers/washers (front and rear)
      – Intermittent front and rear wipers
    • Lights, directional
  • Power Train
    • Brakes, oil-cooled, multi-disc, service/secondary
    • Case drain screens
    • Electro hydraulic parking brake
    • Engine, C18 ACERT MEUI diesel, turbocharged/aftercooled
    • Ground level engine shutoff
    • Turbine precleaner, engine air intake
    • Radiator, Aluminum Modular Radiator (AMR)
    • Starting aid, ether, automatic
    • Throttle lock, electronic
    • Manual switch and automatic fuel priming
    • Cat Production Measurement ready
    • Cat SR Generator/Pump Drive
    • Cat SR Drive Motor
    • Cat Integrated Powered Electronics
    • Automatic retarding controls
  • Other
    • Automatic bucket lift kickout/positioner
    • 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, 555 L (147 gal)
    • Hitch, drawbar with pin
    • Hoses, Cat XT
    • Hydraulic, steering and brake filtration/screening system
    • Cat Clean Emission Module
    • Oil sampling valves
    • Premixed 50 percent concentration of extended life coolant with freeze protection to –34° C (–29° F)
    • Rear access to cab and service platform
    • Steering, load sensing
    • Toe kicks
    • Vandalism protection caplocks
  • Power Train
    • –50° C (–58° F) antifreeze
    • Engine oil change system, high speed, Wiggins
    • Engine block heater 120V or 240V
    • High ambient cooling – software
    • Cat Production Measurement
    • Crankcase guard
  • Operator Environment
    • Cab precleaner
    • AM/FM/CD/MP3 radio
    • Satellite Sirius radio with Bluetooth®
    • LED warning strobe
    • Window pull down visor
    • Handrail mounted mirrors
  • Miscellaneous Attachments
    • Front and rear roading fenders
    • Fast fill fuel system (Shaw-Aero)
    • Cold Weather Starting (extra starter plus two batteries)
    • Aggregate Handler
    • Tire Pressure Monitoring System

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