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.
Caterpillar
988K Block Handler Arrangement
Overview
Photos
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988K Block Handler Wheel Loader -
988K Block Handler Wheel Loader -
988K Block Handler Wheel Loader -
988K Block Handler Wheel Loader -
988K Block Handler Wheel Loader
Videos
360° View
Exterior
360° Exterior view. Double click on the image to zoom in on any area of the product.
Interior
360° interior view. Double click on the image to zoom in on any area of the product.
Documents
Specifications
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Engine
Spec Value Net Power 541 HP Engine Model C18 Cat® Net Power - SAE J1349 541 HP Bore 5.7 in Stroke 7.2 in Displacement 1105 in³ Torque Rise 58 % Peak Power Speed - Gross - SAE J1995 588 HP Peak Power Speed 1500 r/min Peak Power Speed - Gross - ISO 14396 580 HP Peak Torque - 1,200 rpm 2104 lb/ft Peak Power Speed - Net Power - SAE J1349 541 HP Rated Speed 1700 r/min Gross - ISO 14396 580 HP Emissions Einhaltung von EPA Tier 4 Final (USA)/Stufe V (EU), Tier-2-konform -
Operating Specifications
Spec Value Operating Weight 135602 lb -
Transmission
Spec Value Transmission Type Cat-Planetenlastschaltgetriebe Forward - 1 3.6 mile/h Forward - 2 4.5 mile/h Forward - 3 11.4 mile/h Forward - 4 19 mile/h Reverse - 1 4.1 mile/h Reverse - 2 7.3 mile/h Reverse - 3 13 mile/h Direct Drive - Forward 4 21 mile/h Direct Drive - Reverse 2 7.7 mile/h Direct Drive - Reverse 1 4.3 mile/h Direct Drive - Forward 2 6.7 mile/h Direct Drive - Forward 3 11.9 mile/h Direct Drive - Forward 1 Lock-up disabled Direct Drive - Reverse 3 13.7 mile/h -
Hydraulic System - Lift/Tilt
Spec Value Maximum Flow at 1,400-1,860 rpm 153 gal/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 psi Maximum Flow at 1,700 rpm 13.7 gal/min Pilot System Variable displacement piston Relief Valve Setting - Lift/Tilt 4757 psi Lift/Tilt System Variable displacement piston Lift/Tilt System - Circuit Pilot operated - EH control, flow sharing -
Hydraulic Cycle Times
Spec Value Lower Float Down 3.5 s Rack Back 4.5 s Total Hydraulic Cycle Time - Empty Bucket 18.2 s Dump 2.2 s Raise 8 s -
Hydraulic System - Steering
Spec Value Maximum Flow 74 gal/min Steering Cycle Times - High Idle 3.4 s Total Steering Angle 86 ° Steering System - Circuit Pilot, load sensing Steering Cycle Times - Low Idle 5.6 s Relief Valve Setting - Steering 4641 psi Steering System - Pump Piston, variable displacement -
Service Refill Capacities
Spec Value Cooling System 31.7 gal (US) Transmission 31.7 gal (US) Differential - Final Drives - Rear 49.1 gal (US) Fuel Tank 188.1 gal (US) Crankcase 15.9 gal (US) Diesel Exhaust Fluid Tank 8.7 gal (US) Differential - Final Drives - Front 49.1 gal (US) Hydraulic System Factory Fill 125.5 gal (US) Hydraulic System - Tank Only 63.4 gal (US) -
Axles
Spec Value Front Fixed Rear Trunnion Oscillation Angle 13 ° -
Brakes
Spec Value Brakes SAE J1473 OKT90, ISO 3450:1992 -
Sound Performance - Standard
Spec Value Interior Sound Level 71 dB(A) Exterior Sound Level 111 dB(A) -
Sound Performance - Suppression
Spec Value Interior Sound Level 70 dB(A) Exterior Sound Level 109 dB(A)
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)