988K Block Handler Arrangement

988K Block Handler Wheel Loader

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.

Product Specs

Engine

Peak Power Speed
1500r/min
Peak Power Speed - Gross - ISO 14396
580HP
Peak Power Speed - Gross - SAE J1995
588HP
Peak Power Speed - Net Power - SAE J1349
541HP
Net Power
541HP
Engine Model
Cat® C18 ACERT™
Net Power - SAE J1349
541HP
Bore
5.7in
Stroke
7.2in
Displacement
1105in³
Torque Rise
58%
Emissions
U.S. EPA Tier 4 Final/EU Stage IV, Tier 2 Equivalent
Gross - ISO 14396
580HP
Peak Torque - 1,200 rpm
2104lb/ft
Rated Speed
1700r/min

Sound Performance - Standard

Exterior Sound Level
111dB(A)
Interior Sound Level
71dB(A)

Axles

Oscillation Angle
13°
Front
Fixed
Rear
Trunnion

Sound Performance - Suppression

Exterior Sound Level
109dB(A)
Interior Sound Level
70dB(A)

Hydraulic System - Lift/Tilt

Maximum Flow at 1,700 rpm
13.7gal/min
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 at 1,400-1,860 rpm
153gal/min
Pilot System
Variable displacement piston
Relief Valve Setting
551psi
Relief Valve Setting - Lift/Tilt
4757psi

Operating Specifications

Operating Weight
135602lb

Transmission

Transmission Type
Cat planetary power shift
Forward - 1
3.6mile/h
Forward - 2
4.5mile/h
Forward - 3
11.4mile/h
Forward - 4
19mile/h
Reverse - 1
4.1mile/h
Reverse - 2
7.3mile/h
Reverse - 3
13mile/h
Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Forward 2
6.7mile/h
Direct Drive - Forward 3
11.9mile/h
Direct Drive - Forward 4
21mile/h
Direct Drive - Reverse 1
4.3mile/h
Direct Drive - Reverse 2
7.7mile/h
Direct Drive - Reverse 3
13.7mile/h

Hydraulic Cycle Times

Dump
2.2s
Lower Float Down
3.5s
Rack Back
4.5s
Raise
8s
Total Hydraulic Cycle Time - Empty Bucket
18.2s

Hydraulic System - Steering

Maximum Flow
74gal/min
Relief Valve Setting - Steering
4641psi
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°

Service Refill Capacities

Cooling System
31.7gal (US)
Crankcase
15.9gal (US)
Diesel Exhaust Fluid Tank
8.7gal (US)
Differential - Final Drives - Front
49.1gal (US)
Differential - Final Drives - Rear
49.1gal (US)
Fuel Tank
188.1gal (US)
Hydraulic System - Tank Only
63.4gal (US)
Hydraulic System Factory Fill
125.5gal (US)
Transmission
31.7gal (US)

Brakes

Brakes
SAE J1473 OCT90, ISO 3450:1992

Worktool Attachments

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

Optional Equipment

  • 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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1 (800) 845-9188

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