Large Wheel Loaders

988K Block Handler Arrangement

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988K Block Handler
988K Block Handler
988K Block Handler
988K Block Handler
988K Block Handler
US
Metric

Overview

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.

Engine

Net Power
541.00 HP
403.00 kW
Engine Model
C18 Cat®
Net Power - SAE J1349
541.00 HP
403.00 kW
Bore
5.70 in
145.00 mm
Stroke
7.20 in
183.00 mm
Displacement
1105.00 in³
18.10 l
Torque Rise
58.00 %
58.00 %
Peak Power Speed - Gross - SAE J1995
588.00 HP
439.00 kW
Peak Power Speed
1500.00 r/min
1500.00 r/min
Peak Power Speed - Gross - ISO 14396
580.00 HP
432.00 kW
Peak Torque - 1,200 rpm
2104.00 lb/ft
2852.00 N·m
Peak Power Speed - Net Power - SAE J1349
541.00 HP
403.00 kW
Rated Speed
1700.00 r/min
1700.00 r/min
Gross - ISO 14396
580.00 HP
432.00 kW
Emissions
Einhaltung von EPA Tier 4 Final (USA)/Stufe V (EU), Tier-2-konform

Operating Specifications

Operating Weight
135602.00 lb
61508.00 kg

Transmission

Transmission Type
Cat-Planetenlastschaltgetriebe
Forward - 1
3.60 mile/h
5.80 km/h
Forward - 2
4.50 mile/h
10.30 km/h
Forward - 3
11.40 mile/h
18.30 km/h
Forward - 4
19.00 mile/h
30.50 km/h
Reverse - 1
4.10 mile/h
6.60 km/h
Reverse - 2
7.30 mile/h
11.80 km/h
Reverse - 3
13.00 mile/h
20.80 km/h
Direct Drive - Forward 4
21.00 mile/h
34.00 km/h
Direct Drive - Reverse 2
7.70 mile/h
12.40 km/h
Direct Drive - Reverse 1
4.30 mile/h
6.90 km/h
Direct Drive - Forward 2
6.70 mile/h
10.80 km/h
Direct Drive - Forward 3
11.90 mile/h
19.20 km/h
Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Reverse 3
13.70 mile/h
22.00 km/h

Hydraulic System - Lift/Tilt

Maximum Flow at 1,400-1,860 rpm
153.00 gal/min
580.00 l/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)
Relief Valve Setting - Main
551.00 psi
3800.00 kPa
Maximum Flow at 1,700 rpm
13.70 gal/min
52.00 l/min
Pilot System
Variable displacement piston
Relief Valve Setting - Lift/Tilt
4757.00 psi
32800.00 kPa
Lift/Tilt System
Variable displacement piston
Lift/Tilt System - Circuit
Pilot operated - EH control, flow sharing

Hydraulic Cycle Times

Lower Float Down
3.50 s
3.50 s
Rack Back
4.50 s
4.50 s
Total Hydraulic Cycle Time - Empty Bucket
18.20 s
18.20 s
Dump
2.20 s
2.20 s
Raise
8.00 s
8.00 s

Hydraulic System - Steering

Maximum Flow
74.00 gal/min
280.00 l/min
Steering Cycle Times - High Idle
3.40 s
3.40 s
Total Steering Angle
86.00 °
86.00 °
Steering System - Circuit
Pilot, load sensing
Steering Cycle Times - Low Idle
5.60 s
5.60 s
Relief Valve Setting - Steering
4641.00 psi
32000.00 kPa
Steering System - Pump
Piston, variable displacement

Service Refill Capacities

Cooling System
31.70 gal (US)
120.00 l
Transmission
31.70 gal (US)
120.00 l
Differential - Final Drives - Rear
49.10 gal (US)
186.00 l
Fuel Tank
188.10 gal (US)
712.00 l
Crankcase
15.90 gal (US)
60.00 l
Diesel Exhaust Fluid Tank
8.70 gal (US)
33.00 l
Differential - Final Drives - Front
49.10 gal (US)
186.00 l
Hydraulic System Factory Fill
125.50 gal (US)
475.00 l
Hydraulic System - Tank Only
63.40 gal (US)
240.00 l

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
13.00 °
13.00 °

Brakes

Brakes
SAE J1473 OKT90, ISO 3450:1992

Sound Performance - Standard

Interior Sound Level
71.00 dB(A)
71.00 dB(A)
Exterior Sound Level
111.00 dB(A)
111.00 dB(A)

Sound Performance - Suppression

Interior Sound Level
70.00 dB(A)
70.00 dB(A)
Exterior Sound Level
109.00 dB(A)
109.00 dB(A)
Features

POWERFUL EFFICIENCY

PURPOSE BUILT SPECIALTY MODELS

PROVEN RELIABILITY

PERFORMANCE AND PRODUCTIVITY

OPERATOR COMFORT AND CONTROL

PRODUCTIVITY WITH TECHNOLOGY

SAVE ON SERVICE AND MAINTENANCE

TOP-TIER SERVICE AND SUPPORT

SAFETY FIRST

OPTIONS TO MEET YOUR NEEDS

Standard Equipment
  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • 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
  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • 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)