Cat Wheel Loaders:

988K Block Handler Arrangement

Engine Model
Cat® C18 ACERT™
Net Power
541.0 hp
Operating Weight
135602.0 lb
Bore
5.7 in

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. The Cat 988K Block Handler was designed to withstand the demanding and harsh environment of block handling applications. The features of the 988K Block Handler work together to provide a durable and reliable machine to meet your block handling needs.



Benefits & Features

Product Specs

  • Engine

  • Engine Model
    Cat® C18 ACERT™
    Net Power
    541.0hp
    Bore
    5.7in
    Displacement
    1105.0in3
    Emissions
    U.S. EPA Tier 4 Final/EU Stage IV, Tier 2 Equivalent
    Gross (ISO 14396)
    580.0hp
    Net Power - SAE J1349
    541.0hp
    Peak Power Speed
    1500.0RPM
    Peak Power Speed: Gross - ISO 14396
    580.0hp
    Peak Power Speed: Gross - SAE J1995
    588.0hp
    Peak Power Speed: Net Power - SAE J1349
    541.0hp
    Peak Torque @ 1,200 rpm
    2104.0lb ft
    Rated Speed
    1700.0RPM
    Stroke
    7.2in
    Torque Rise
    58.0%
    Engine Model
    Cat® C18 ACERT™
    Net Power
    541.0hp
    Bore
    5.7in
    Displacement
    1105.0in3
    Emissions
    U.S. EPA Tier 4 Final/EU Stage IV, Tier 2 Equivalent
    Gross (ISO 14396)
    580.0hp
    Net Power - SAE J1349
    541.0hp
    Peak Power Speed
    1500.0RPM
    Peak Power Speed: Gross - ISO 14396
    580.0hp
    Peak Power Speed: Gross - SAE J1995
    588.0hp
    Peak Power Speed: Net Power - SAE J1349
    541.0hp
    Peak Torque @ 1,200 rpm
    2104.0lb ft
    Rated Speed
    1700.0RPM
    Stroke
    7.2in
    Torque Rise
    58.0%
  • Operating Specifications

  • Operating Weight
    135602.0lb
    Operating Weight
    135602.0lb
  • Hydraulic System - Steering

  • Maximum Flow
    74.0gal/min
    Relief Valve Setting - Steering
    4641.0psi
    Steering Cycle Time (high idle)
    3.4Seconds
    Steering Cycle Time (low idle)
    5.6Seconds
    Steering System - Circuit
    Pilot, load sensing
    Steering System - Pump
    Piston, variable displacement
    Total Steering Angle
    86.0Degrees
    Maximum Flow
    74.0gal/min
    Relief Valve Setting - Steering
    4641.0psi
    Steering Cycle Time (high idle)
    3.4Seconds
    Steering Cycle Time (low idle)
    5.6Seconds
    Steering System - Circuit
    Pilot, load sensing
    Steering System - Pump
    Piston, variable displacement
    Total Steering Angle
    86.0Degrees
  • Sound Performance - Standard

  • Exterior Sound Level
    111.0dB(A)
    Interior Sound Level
    71.0dB(A)
    Exterior Sound Level
    111.0dB(A)
    Interior Sound Level
    71.0dB(A)
  • Axles

  • Front
    Fixed
    Oscillation Angle
    13.0Degrees
    Rear
    Trunnion
    Front
    Fixed
    Oscillation Angle
    13.0Degrees
    Rear
    Trunnion
  • Hydraulic Cycle Time

  • Dump
    2.2Seconds
    Lower Float Down
    3.5Seconds
    Rack back
    4.5Seconds
    Raise
    8.0Seconds
    Total Hydraulic Cycle Time (empty bucket)
    18.2Seconds
    Dump
    2.2Seconds
    Lower Float Down
    3.5Seconds
    Rack back
    4.5Seconds
    Raise
    8.0Seconds
    Total Hydraulic Cycle Time (empty bucket)
    18.2Seconds
  • Transmission

  • Direct Drive Forward 1
    Lock-up disabled
    Direct Drive Forward 2
    6.7mph
    Direct Drive Forward 3
    11.9mph
    Direct Drive Forward 4
    21.0mph
    Direct Drive Reverse 1
    4.3mph
    Direct Drive Reverse 2
    7.7mph
    Direct Drive Reverse 3
    13.7mph
    Forward 1
    3.6mph
    Forward 2
    4.5mph
    Forward 3
    11.4mph
    Forward 4
    19.0mph
    Reverse 1
    4.1mph
    Reverse 2
    7.3mph
    Reverse 3
    13.0mph
    Transmission Type
    Cat planetary power shift
    Direct Drive Forward 1
    Lock-up disabled
    Direct Drive Forward 2
    6.7mph
    Direct Drive Forward 3
    11.9mph
    Direct Drive Forward 4
    21.0mph
    Direct Drive Reverse 1
    4.3mph
    Direct Drive Reverse 2
    7.7mph
    Direct Drive Reverse 3
    13.7mph
    Forward 1
    3.6mph
    Forward 2
    4.5mph
    Forward 3
    11.4mph
    Forward 4
    19.0mph
    Reverse 1
    4.1mph
    Reverse 2
    7.3mph
    Reverse 3
    13.0mph
    Transmission Type
    Cat planetary power shift
  • Sound Performance - Suppression

  • Exterior Sound Level
    109.0dB(A)
    Interior Sound Level
    70.0dB(A)
    Exterior Sound Level
    109.0dB(A)
    Interior Sound Level
    70.0dB(A)
  • Brakes

  • Brakes
    SAE J1473 OCT90, ISO 3450:1992
    Brakes
    SAE J1473 OCT90, ISO 3450:1992
  • Hydraulic System - Lift/Tilt

  • Cylinders, Double Acting: Lift, Bore and Stroke
    235 mm × 976 mm (9.3 in × 38.4 in)
    Cylinders, Double Acting: Tilt, Bore and Stroke
    291 mm × 671 mm (11.5 in × 26.4 in)
    Lift/Tilt System
    Variable displacement piston
    Lift/Tilt System - Circuit
    Pilot operated - EH control, flow sharing
    Maximum Flow @ 1,700 rpm
    13.7gal/min
    Maximum Flow at 1,400-1,860 rpm
    153.0gal/min
    Pilot System
    Variable displacement piston
    Relief Valve Setting
    551.0psi
    Relief Valve Setting - Lift/Tilt
    4757.0psi
    Cylinders, Double Acting: Lift, Bore and Stroke
    235 mm × 976 mm (9.3 in × 38.4 in)
    Cylinders, Double Acting: Tilt, Bore and Stroke
    291 mm × 671 mm (11.5 in × 26.4 in)
    Lift/Tilt System
    Variable displacement piston
    Lift/Tilt System - Circuit
    Pilot operated - EH control, flow sharing
    Maximum Flow @ 1,700 rpm
    13.7gal/min
    Maximum Flow at 1,400-1,860 rpm
    153.0gal/min
    Pilot System
    Variable displacement piston
    Relief Valve Setting
    551.0psi
    Relief Valve Setting - Lift/Tilt
    4757.0psi
  • Service Refill Capacities

  • Cooling System
    31.7gal
    Crankcase
    15.9gal
    Diesel Exhaust Fluid Tank
    8.7gal
    Differentials and Final Drives - Front
    49.1gal
    Differentials and Final Drives - Rear
    49.1gal
    Fuel Tank
    188.1gal
    Hydraulic System (factory fill)
    125.5gal
    Hydraulic System (tank only)
    63.4gal
    Transmission
    31.7gal
    Cooling System
    31.7gal
    Crankcase
    15.9gal
    Diesel Exhaust Fluid Tank
    8.7gal
    Differentials and Final Drives - Front
    49.1gal
    Differentials and Final Drives - Rear
    49.1gal
    Fuel Tank
    188.1gal
    Hydraulic System (factory fill)
    125.5gal
    Hydraulic System (tank only)
    63.4gal
    Transmission
    31.7gal

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
  • 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
    • Mirrors, rearview (externally mounted)
    • Rimpull Control System
    • Seat, Cat Comfort (cloth), air suspension, six-way adjustable
    • Seat belt, retractable, 76 mm (3 in) wide
    • STIC Control System
    • UV glass
    • Transmission 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
    • Crankcase guard
    • Electro hydraulic parking brake
    • Engine, C18 MEUI diesel, turbocharged/aftercooled
    • Ground level engine shutoff
    • Turbine precleaner, engine air intake
    • Radiator, Next Generation Modular (NGMR)
    • 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
  • 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, 731 L (188 gal)
    • Hitch, drawbar with pin
    • Hoses, Cat XT
    • Hydraulic, steering and brake filtration/screening system
    • Cat Clean Emission Module
    • Oil sampling valves
    • Premixed 50% 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
    • Payload Control System (PCS)
  • Operator Environment
    • Cab precleaner
    • AM/FM/CD/MP3 radio
    • Satellite Sirius radio with bluetooth
    • LED warning strobe
    • CB radio ready
    • Window pull down visor
  • Miscellaneous Attachments
    • Front and rear roading fenders
    • Fast fill fuel system (Shaw-Aero)

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