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.

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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

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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