New | 988K Block Handler Arrangement

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.

Net Power541 HP
Engine ModelCat® C18 ACERT™
Net Power - SAE J1349541 HP
Bore5.7 in
Stroke7.2 in
Displacement1105 in³
Torque Rise58 %
EmissionsU.S. EPA Tier 4 Final/EU Stage IV, Tier 2 Equivalent
Gross - ISO 14396580 HP
Peak Power Speed1500 r/min
Peak Power Speed - Gross - ISO 14396580 HP
Peak Power Speed - Gross - SAE J1995588 HP
Peak Power Speed - Net Power - SAE J1349541 HP
Peak Torque - 1,200 rpm2104 lb/ft
Rated Speed1700 r/min
Operating Specifications
Operating Weight135602 lb
Transmission TypeCat planetary power shift
Forward - 13.6 mile/h
Forward - 24.5 mile/h
Forward - 311.4 mile/h
Forward - 419 mile/h
Reverse - 14.1 mile/h
Reverse - 27.3 mile/h
Reverse - 313 mile/h
Direct Drive - Forward 1Lock-up disabled
Direct Drive - Forward 26.7 mile/h
Direct Drive - Forward 311.9 mile/h
Direct Drive - Forward 421 mile/h
Direct Drive - Reverse 14.3 mile/h
Direct Drive - Reverse 27.7 mile/h
Direct Drive - Reverse 313.7 mile/h
Hydraulic System - Lift/Tilt
Cylinders, Double Acting - Lift, Bore and Stroke235 mm × 976 mm (9.3 in × 38.4 in)
Cylinders, Double Acting - Tilt, Bore and Stroke291 mm × 671 mm (11.5 in × 26.4 in)
Lift/Tilt SystemVariable displacement piston
Lift/Tilt System - CircuitPilot operated - EH control, flow sharing
Maximum Flow at 1,400-1,860 rpm153 gal/min
Maximum Flow at 1,700 rpm13.7 gal/min
Pilot SystemVariable displacement piston
Relief Valve Setting551 psi
Relief Valve Setting - Lift/Tilt4757 psi
Hydraulic Cycle Times
Dump2.2 s
Lower Float Down3.5 s
Rack Back4.5 s
Raise8 s
Total Hydraulic Cycle Time - Empty Bucket18.2 s
Hydraulic System - Steering
Maximum Flow74 gal/min
Relief Valve Setting - Steering4641 psi
Steering Cycle Times - High Idle3.4 s
Steering Cycle Times - Low Idle5.6 s
Steering System - CircuitPilot, load sensing
Steering System - PumpPiston, variable displacement
Total Steering Angle86 °
Service Refill Capacities
Cooling System31.7 gal (US)
Crankcase15.9 gal (US)
Diesel Exhaust Fluid Tank8.7 gal (US)
Differential - Final Drives - Front49.1 gal (US)
Differential - Final Drives - Rear49.1 gal (US)
Fuel Tank188.1 gal (US)
Hydraulic System - Tank Only63.4 gal (US)
Hydraulic System Factory Fill125.5 gal (US)
Transmission31.7 gal (US)
Oscillation Angle13 °
BrakesSAE J1473 OCT90, ISO 3450:1992
Sound Performance - Standard
Exterior Sound Level111 dB(A)
Interior Sound Level71 dB(A)
Sound Performance - Suppression
Exterior Sound Level109 dB(A)
Interior Sound Level70 dB(A)
  • Efficiency
  • Designed For Block Handling
  • Power Train
  • Hydraulics
  • Operator Station
  • Technology Solutions
  • Serviceability
  • Customer Support
  • Safety
  • Versatility

Standard Equipment

  • 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
  • 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
  • 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
  • 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

Optional Equipment

  • -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)
  • Cab precleaner
  • AM/FM/CD/MP3 radio
  • Satellite Sirius radio with bluetooth
  • LED warning strobe
  • CB radio ready
  • Window pull down visor
  • Front and rear roading fenders
  • Fast fill fuel system (Shaw-Aero)






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