Caterpillar 988K Wheel Loader Parts Manual
LWX1-Up (Machine)
TXW1-Up (Engine)
NNA1-Up (Transmission)
T7S1-Up (Torque Converter)
Type of machine: Wheel Loader
Print No: SEBP5756, June 2013
Language and Format: English/PDF
Instant Download after payment. Please make sure your email address is correct.
This Parts Manual contains detailed illustrations and official part numbers for your Caterpillar 988K Wheel Loader. Present manual contain the reference number or code of each parts, contain all the parts of the machine.
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Table of contents:
GENERAL INFORMATION
REPAIR ALTERNATIVES
SUPPLEMENTAL COOLANT
ADDITIVES
MAINTENANCE PARTS
INDEX
MACHINE ARRANGEMENT
CHASSIS AR
COMMON AR
OPTION AR-COLD WEATHER
LOADER AR
ENGINE ARRANGEMENT
ENGINE AR
ENGINE AR-COMPLETE
ENGINE AR-CORE
INSTALLATION AR-ENGINE
BASIC ENGINE
ACTUATOR AS-VALVE
ACTUATOR GP-VALVE
ADAPTER GP-AUXILIARY DRIVE
BASE GP-VALVE COVER
CAMSHAFT GP
COVER GP-CYLINDER BLOCK
COVER GP-FRONT HOUSING
COVER GP-SOUND SUPPRESSION
COVER GP-VALVE MECHANISM
CRANKSHAFT GP
CYLINDER BLOCK AS
CYLINDER BLOCK GP
CYLINDER HEAD AS
CYLINDER HEAD GP
DAMPER GP
DRAIN GP-ENGINE OIL
DRIVE GP-ACCESSORY
DRIVE GP-PUMP
FASTENER GP-FRONT HOUSING
FASTENER GP-VALVE MECHANISM
FLYWHEEL GP
GEAR GP-FRONT
HOUSING GP-FLYWHEEL
HOUSING GP-FRONT
KIT-CRANKSHAFT BEARING
LIFTING GP-ENGINE
MECHANISM GP-FUEL PUMP & VALVE
MOUNTING GP-ALTERNATOR & COMPR
PAN GP-OIL
PANEL GP-SOUND SUPPRESSION
PISTON & ROD GP
PLATE AS-FRONT HOUSING
PLUG GP-CYLINDER BLOCK
PLUG GP-CYLINDER HEAD
PULLEY GP-CRANKSHAFT
ROCKER ARM GP
SEAL GP-CRANKSHAFT
SUPPORT GP-ENGINE
LUBRICATION SYSTEM
FASTENER GP-OIL PUMP MOUNTING
FILLER GP-ENGINE OIL
FILTER GP-ENGINE OIL
FUMES DISPOSAL GP
GAUGE GP-OIL LEVEL (DIPSTICK)
LINES GP-ENGINE OIL
LINES GP-TURBOCHARGER OIL
OIL CHANGE GP-HIGH SPEED
PUMP GP-ENGINE OIL
TANK & MTG GP-ENGINE OIL
COOLING SYSTEM
BASE GP-OIL COOLER & FILTER
BONNET GP-OIL COOLER
COOLER GP-ENGINE OIL
COOLING AR
COVER GP-WATER PUMP
FAN GP-SUCTION
HOUSING & REGULATOR GP
LINES GP-TURBOCHARGER WATER
LINES GP-VENT
LINES GP-WATER
PLUG GP-WATER LINES
PUMP GP-WATER
RADIATOR GP
SUPPORT GP-FAN
TANK GP-COOLANT
AIR INLET AND EXHAUST SYSTEM
AFTERCOOLER GP-AIR
AIR CLEANER & MOUNTING GP
AIR CLEANER GP
DUST EJECTOR GP
ELBOW GP-AIR INLET
EXTENSION GP-EXHAUST
LINES GP-AIR
LINES GP-COOLING
MANIFOLD GP-EXHAUST
MANIFOLD GP-INLET
MUFFLER & MOUNTING GP
PIPE GP-FLEXIBLE EXHAUST
PRECLEANER AR
PRECLEANER GP
SHIELD GP-HEAT
NAME PAGE NAME PAGE
TURBOCHARGER GP
FUEL SYSTEM
ADAPTER GP-FAST FILL FUEL
BASE GP-FUEL FILTER
COOLER GP-FUEL
FILTER GP-FUEL
FILTER GP-WATER SEP & FUEL
FITTING GP-FUEL LINES
INJECTOR GP-FUEL
LINES GP-FUEL
LINES GP-FUEL HEATER
MOUNTING GP-FUEL FILTER
MOUNTING GP-FUEL PRESS RGLTR
PUMP GP-FUEL INJECTION
PUMP GP-FUEL PRM & WATER SEP
PUMP GP-FUEL TRANSFER
REGULATOR GP-FUEL PRESSURE
TANK GP-FUEL
VALVE GP-CHECK
VALVE GP-FLUID SAMPLING
ELECTRICAL AND STARTING SYSTEM
ALARM GP
ALTERNATOR GP-CHARGING
APPLICATION GP-MONITOR
BATTERY & WIRING GP
BOX GP-OBJECT DETECTION
BRACKET GP-MOUNTING
CABLE AS-BATTERY
CABLE GP-BATTERY
CABLE GP-ELECTRICAL
CAMERA & WIRING GP
CAMERA GP
CONTROL & MTG GP-COMMUNICATION
CONTROL & MTG GP-ENGINE ELEK
CONTROL GP-LIFT & TILT POS
CONTROL GP-UNPROGRAMMED
ELECTRICAL AR
ELECTRONICS GP-COMMUNICATION
ELECTRONICS GP-IMPLEMENT
ELECTRONICS GP-MONITOR
ELECTRONICS GP-POWER TRAIN
HARNESS AS-AUXILIARY
HARNESS AS-CHASSIS
HARNESS AS-CONTROL
HARNESS AS-ENGINE
HARNESS AS-FRONT
HARNESS AS-LIGHTING
HARNESS AS-MONITOR
HARNESS AS-OPERATOR
CONTROLS
HARNESS AS-PANEL
HARNESS AS-RADIO
HARNESS AS-SENSOR
HARNESS AS
HARNESS AS-SOLENOID
HARNESS AS-TRANSMISSION
HEATER GP-JACKET WATER
INSTALLATION AR-COMMUNICATION
LAMP GP-FLOOD
LAMP GP-WARNING BEACON
LIGHTING AR-FLOOD & SIGNAL
LIGHTING AR-STOP & FLOOD
LIGHTING GP-FLOOD
LIGHTING GP-FLOOD & SIGNAL
MOUNTING GP-SENSOR
PANEL GP-SWITCH
PLATE AS-BRUSH
RADIO GP-COMMUNICATION
SENSOR & MTG GP-LIFT POSITION
SENSOR & MTG GP-POSITION
SENSOR GP-ENGINE
SENSOR GP-LIQUID LEVEL
SENSOR GP-POSITION
SENSOR GP-PRESSURE
SENSOR GP-SPEED
SENSOR GP-TEMPERATURE
STARTING AID GP-ETHER
STARTING AR
STARTING MOTOR GP-ELECTRIC
SWITCH GP-DISCONNECT
SWITCH GP-LIMIT
SWITCH GP-MAGNETIC
SWITCH GP-PAYLOAD STORE
SWITCH GP-RIDE CONTROL
SWITCH GP-ROCKER
SWITCH GP-ROTARY
SWITCH GP-START
SWITCH GP-WIPER
VALVE GP-ETHER STARTING
WIRING GP-AUTOLUBE CONTROL
WIRING GP-AXLE TEMPERATURE
WIRING GP-BUMPER
WIRING GP-CAB
WIRING GP-COMMUNICATION
WIRING GP-ELECTRIC STARTING
WIRING GP-ELECTROHYDRAULIC
WIRING GP-ELECTRONIC CONTROL
WIRING GP-ENGINE
WIRING GP-FRONT
WIRING GP-HYDRAULIC TANK
WIRING GP-LIGHTING
WIRING GP-MACHINE
NAME PAGE NAME PAGE
WIRING GP-MONITOR
WIRING GP-POWER TRAIN
WIRING GP-REAR
WIRING GP-RIDE CONTROL
WIRING GP-SENSOR
WIRING GP-STIC CONTROL
WIRING GP-UNIT INJECTOR
WIRING GP-VALVE
POWER TRAIN
AXLE AR-FIXED
AXLE AR-FIXED & OSCILLATING
AXLE AR-OSCILLATING
AXLE GP-FIXED
AXLE GP-OSCILLATING
CASE & PARTS GP-PLANETARY
CASE AS-TRANSFER
CONTROL GP-TRANSMISSION HYD
COOLER GP-AXLE OIL
COOLER GP-TRANSMISSION OIL
DIFFERENTIAL & BEVEL GEAR GP
DIFFERENTIAL GP
DIFFERENTIAL GP-NOSPIN
FASTENER GP-AXLE MOUNTING
FILTER GP-OIL
GEAR GP-OUTPUT
GEAR GP-TRANSFER
LINES GP-AXLE OIL COOLER
LINES GP-POWER TRAIN OIL
MANIFOLD GP-CONTROL
MANIFOLD GP-TRANSMISSION
MOUNTING GP-RIM
MOUNTING GP-TORQUE
CONVERTER
PLANETARY GP
POWER TRAIN AR
PUMP & MTG GP-AXLE OIL COOLER
PUMP & MTG GP-GEAR
PUMP GP-GEAR
RIM AR
RIM GP-DEMOUNTABLE
SHAFT GP-DRIVE
SHAFT GP-INPUT
SUPPORT GP-TRANSMISSION
TIRE & RIM AR
TORQUE CONVERTER & HOUSING GP
TORQUE CONVERTER GP
TRANSMISSION AR
UNIVERSAL JOINT GP
VALVE GP-MODULATING
VALVE GP-RELIEF
VALVE GP-SOLENOID
WHEEL & FINAL DRIVE GP
FRAME AND BODY
BAFFLE GP
BUMPER AR-REAR
BUMPER AR
BUMPER AS
BUMPER GP
BUMPER GP-REAR
COVER GP-ACCESS
DRAWBAR GP
ENCLOSURE GP-ENGINE
FENDER GP
FIREWALL GP
FRAME AS-LOADER
FRAME AS-REAR
GRILL GP
GUARD GP-CRANKCASE
GUARD GP-CYLINDER
GUARD GP-HYDRAULIC TANK
GUARD GP-PLATFORM
GUARD GP-POWER TRAIN
GUARD GP-RADIATOR
GUARDRAIL GP
HITCH GP-ARTICULATING
LINES GP-AUTOMATIC LUBRICATION
LINES GP-GREASE
LINK GP-STEERING FRAME LOCK
LUBRICATION AR-AUTOMATIC
MOUNTING GP-BUMPER
PANEL GP-SIDE
PANEL GP-SOUND SUPPRESSION
PANEL GP-TOP
PUMP GP-LUBRICATION
SHIELD GP-ENGINE COMPARTMENT
STAIRWAY GP
STEP GP
SUPPORT GP-HOOD
SUPPRESSION AR-SOUND
SUPPRESSION GP-SOUND
TANK & PUMP GP-LUBRICATION
VALVE & LINES GP-LUBRICATION
VALVE GP-LUBE DISTRIBUTION
BRAKING SYSTEM
ACCUMULATOR GP-BRAKE
BRAKE GP-PARKING
BRAKE GP-SERVICE
CONTROL GP-FOOT BRAKE
CONTROL GP-SERVICE BRAKE
LINES GP-BRAKE
LINES GP-SERVICE BRAKE
VALVE & MTG GP-BRAKE CONTROL
VALVE GP-ACCUMULATOR CHARGING
VALVE GP-BRAKE CONTROL
NAME PAGE NAME PAGE
STEERING SYSTEM
CYLINDER & MTG GP-STEERING
CYLINDER GP-STEERING
FILTER & MTG GP-CASE DRAIN
FILTER GP-OIL
LINES GP-SECONDARY STEERING
LINES GP-STEERING
PUMP & MTG GP-SECONDARY STEER
PUMP GP-GEAR
VALVE GP-DIVERTER
VALVE GP-PILOT
VALVE GP-RELIEF
VALVE GP-STEERING
NEUTRALIZER
HYDRAULIC SYSTEM
ACCUMULATOR & MTG GP-RIDE CONT
ACCUMULATOR GP-PILOT OIL
ACCUMULATOR GP-RIDE
CONTROL
ACTUATOR GP-PILOT CONTROL
CONTROL & LINES GP-RIDE
CONTROL AR-RIDE
COOLER GP-HYDRAULIC OIL
CYLINDER & MTG GP-LIFT
CYLINDER & MTG GP-TILT
CYLINDER GP-LIFT
CYLINDER GP-TILT
FILTER & MTG GP-HYDRAULIC
FILTER GP-OIL
HYDRAULIC AR
LINES GP-FRONT
LINES GP-HYDRAULIC
LINES GP-HYDRAULIC FAN
LINES GP-LIFT CYLINDER
LINES GP-PILOT
LINES GP-RETURN
LINES GP-TILT CYLINDER
MOTOR & MTG GP-HYDRAULIC FAN
MOTOR GP-PISTON
PUMP & MTG GP-IMPLEMENT
PUMP & MOUNTING GP
PUMP & MTG GP-PISTON
PUMP GP-PISTON
ROTATING GP-MOTOR
ROTATING GP-PUMP
TANK & MTG GP-HYDRAULIC
TANK GP-HYDRAULIC
VALVE & MTG GP-MAIN CONTROL
VALVE GP-BANK 2
VALVE GP-CHECK
VALVE GP-CHECK & RELIEF
VALVE GP-CONTROL
VALVE GP-MAIN CONTROL
VALVE GP-PRESSURE CONTROL
VALVE GP-PRESSURE REDUCING
VALVE GP-PUMP CONTROL
VALVE GP-RELIEF
VALVE GP-RIDE CONTROL
VALVE GP-SELECTOR & PRESS CONT
VALVE GP-SHUTTLE
VALVE GP-SOLENOID
IMPLEMENTS
ARM & BEARING AS-LIFT
ARM & BEARING AS
CONTROL GP-BUCKET
LIFT AR
PIN & SEAL GP
OPERATOR STATION
AIR CONDITIONER & MOUNTING GP
AIR CONDITIONER GP
ARM GP-WINDOW WIPER
CAB AR-ENCLOSED ROPS
COMPRESSOR & MTG GP-REFRIG
COMPRESSOR GP-REFRIGERANT
CONDENSER & MTG GP-REFRIGERANT
CONDENSER GP-REFRIGERANT
CONTROL & MTG GP-ELHYD
CONTROL & MOUNTING GP
CONTROL GP-HANDLE
CONTROL GP-JOYSTICK
CONTROL GP-STEERING
LOCK GP-HYDRAULIC HAND CONTROL
COVER GP-CAB
COVER GP-PLATFORM
DOOR GP-CAB
DOOR AS-ACCESS
DOOR GP-STORAGE
DUCT & FILTER GP
FILTER GP-CAB AIR
INSTALLATION GP-RADIO
LINER GP-CAB
LINES GP-AIR CONDITIONER
LINES GP-HEATER & AIR COND
LITERATURE GP
MIRROR GP
MODULE GP-DISPLAY
MONITOR & MOUNTING GP
MONITOR AR
MONITOR AR-PAYLOAD
MONITOR GP-OPERATOR
MOTOR GP-WINDOW WIPER
MOUNTING GP-ANTENNA
MOUNTING GP-CAB
NAME PAGE NAME PAGE
MOUNTING GP-ROPS
OPERATOR AR
PAN GP-BACKREST
PEDAL GP-BRAKE
PEDAL GP-GOVERNOR
PLATFORM AS
PLATFORM GP
PLATFORM GP-OPERATOR
PRINTER GP-COMPUTER
RADIO GP
FRAME AS-ROPS
ROPS AS
ROPS GP-ENCLOSED
SEALING GP-GLASS
SEAT & MOUNTING GP
SEAT BELT GP
SEAT GP
SEAT GP-SUSPENSION
SUPPORT GP-HYDRAULIC CONTROL
SUPPORT GP-STEERING CONTROL
SUSPENSION GP-SEAT
VALVE GP-WATER
VISOR GP-CAB
WINDOW GP-CAB
WIPER & WASHER GP-WINDOW
WORK TOOLS
ADAPTER GP-TIP
BUCKET AS-COAL
BUCKET AS-GENERAL PURPOSE
BUCKET AS-HEAVY DUTY
BUCKET AS-ROCK
BUCKET AS-SLAG
BUCKET GP-COAL
BUCKET GP-GENERAL PURPOSE
BUCKET GP-HEAVY DUTY
BUCKET GP-ROCK
EDGE GP-CUTTING
EDGE GP-SEGMENT
EDGE-CUTTING
GUARD GP-BUCKET CORNER
PLATE GP-WEAR
PROTECTOR GP-EDGE
PROTECTOR GP-SIDE BAR
TIP GP-ABRASION
TIP GP-EXTRA DUTY
TIP GP-EXTRA-DUTY
TIP GP-GENERAL PURPOSE
TIP GP-HEAVY PENETRATION
TIP GP-PENETRATION
SERVICE EQUIPMENT AND SUPPLIES
FILM GP
LINES GP-DIAGNOSTIC
PLATE & FILM GP
PROTECTION GP-VANDALISM
PART NUMBER INDEX