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Komatsu D375A-5E0 Bulldozer Service Manual

1,619 pages · Publication SEN00986-11

$169.83
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Models
D375A-5E0
Serial coverage
50001 and up
Manual type
Service Manual
Pages
1,619
Publication
SEN00986-11
Condition
Brand new
Komatsu D375A-5E0 Bulldozer Service Manual, publication SEN00986-11

What's inside

From the manual's own table of contents: 274 sections, 568 entries. See sample pages (PDF, 821 KB)

Composition of shop manual
Safety notice
How to read the shop manual
Explanation of terms for maintenance standard
Handling of electric equipment and hydraulic component
Handling of connectors newly used for engines
How to read electric wire code
Precautions when carrying out operation
Method of disassembling and connecting push-pull type coupler
Standard tightening torque table
Conversion table
Specification drawing
Specifications
Weight table
Table of fuel, coolant and lubricants
Engine mount
Cooling system
Cooling fan pump
Cooling fan motor
Power train
Overall drawing of power train unit
Power train hydraulic piping drawing
Damper, universal joint
Torque converter, PTO
Show all 274 sections
Scavenging pump
Torque converter valve
Transmission control
Transmission
Transmission ECMV
Transmission lubrication relief valve
Power train pump + lubrication pump
Steering, brake control
Transfer, bevel gear shaft, steering
Steering ECMV
Steering clutch ECMV, Steering brake ECMV
Parking brake valve
Sudden stop prevention valve
Final drive
Sprocket
Track frame43 topics
  • Recoil spring
  • Idler
  • Track roller
  • Carrier roller
  • Track roller bogie
  • Track shoe
  • Main frame
  • Suspension
  • Work equipment hydraulic piping diagram
  • PPC control piping diagram
  • Work equipment control
  • Hydraulic tank
  • Accumulator
  • PPC lock valve
  • PPC valve
  • Hydraulic cylinder
  • Piston valve
  • Quick drop valve
  • Pin puller switch
  • Pin puller solenoid valve
  • Blade control knob (Only the machine with dual tilt)
  • Pitch, dual tilt solenoid valve
  • Work equipment pump
  • Control valve
  • Self pressure reducing valve
  • Cylinder stay
  • Blade
  • Cutting edge, end bit
  • Ripper
  • Cab mount
  • Air conditioner
  • Engine control system
  • CRI engine control system
  • Monitor system
  • Machine monitor
  • Mode selection system
  • Electrical equipment
  • Palm command control system
  • Sensors
  • Vehicle health monitoring system (VHMS)
  • ORBCOMM terminal system
  • Standard value table for engine
  • Standard value table for machine
Tools for testing, adjusting, and troubleshooting
Testing engine speed
Testing intake air pressure (boost pressure)
Testing exhaust temperature
Testing exhaust gas color
Adjusting valve clearance
Testing compression pressure
Testing blow-by pressure
Testing engine oil pressure
Testing EGR valve and bypass valve drive oil pressure
Handling of fuel system devices
Releasing residual pressure from fuel system
Testing fuel pressure
Handling of reduced cylinder mode operation
Handling of no injection cranking operation
Testing leakage from pressure limiter and return rate from injector
Bleeding air from fuel circuit
Testing fuel circuit for leakage
Handling controller voltage circuit
Replacing and adjusting alternator and air conditioner compressor belt
Testing fan motor speed
Testing fan circuit oil pressure
Bleeding air from fan pump
Adjusting fuel control dial and decelerator pedal
Testing power train oil pressure
Adjusting transmission speed sensor
Simple procedure for testing brake performance
Adjusting brake pedal and parking brake lever
Adjusting position of pccs lever console
Emergency escape method when there is failure in power train
Inspecting wear of sprocket
Testing and adjusting track shoe tension
Testing work equipment oil pressure
Testing control circuit main pressure
Testing PPC valve output pressure
Adjusting play of PPC valve
Testing output pressure of ripper pin-puller solenoid valve
Checking location of cause of hydraulic drift of blade and ripper
Testing leakage inside work equipment cylinder
Releasing remaining pressure in work equipment cylinders
Bleeding air from work equipment cylinders
Adjusting ripper lever position
Adjusting work equipment lock lever
Testing and adjusting operator's cab
Adjusting blade
Special functions of monitor panel (EMMS)
Adjustment method when controller has been replaced
Preparation work for troubleshooting for electrical equipment system
Inspection procedure of diode
Handling of optional devices
Request for opening ORBCOMM terminal
Initialization procedures for VHMS controller36 topics
  • Using method of KOMTRAX functions of ORBCOMM terminal
  • Precautions for replacing VHMS controller
  • Pm Clinic service
  • Failure codes table
  • Fuse locations
  • Points to remember when troubleshooting
  • Sequence of events in troubleshooting
  • Check before troubleshooting
  • Classification and procedures for troubleshooting
  • Information in troubleshooting table
  • Connection table for connector pin numbers
  • T-branch box and T-branch adapter table
  • Failure code [1380MW] Lockup clutch slip
  • Failure code [1500L0] Transmission clutch dual engagement
  • Failure code [15E0MW] Transmission clutch slip
    • fill signal is ON
    • fill signal is OFF
    • fill signal is ON
    • fill signal is OFF
    • fill signal is ON
    • fill signal is OFF
    • fill signal is ON
    • fill signal is OFF
    • fill signal is ON
    • fill signal is OFF
  • Failure code [1800MW] Power train clutch slip
    • fill signal is ON
    • fill signal is OFF
    • fill signal is ON
    • fill signal is OFF
  • Failure code [2300NR] Brake thermal load abnormality
    • fill signal is ON
    • fill signal is OFF
  • Failure code [2301NR] Right steering brake thermal load abnormality
    • fill signal is ON
  • fill signal is OFF
Failure code [2302NR] Left steering brake thermal load abnormality
Failure code [6001ZK] Failure code for design
Failure code [A000NS] Engine overheat
Failure code [AA10NX] Air cleaner clogging
Failure code [AB00MA] Alternator malfunction
Failure code [B@BAZG] Engine oil pressure low
Failure code [B@BAZK] Engine oil level reduction
Failure code [B@BCNS] Engine coolant overheat
Failure code [B@BCZK] Radiator coolant level reduction
Failure code [B@BEBF] Water in engine fuel
Failure code [B@BFZK] Fuel level reduction
Failure code [B@CENS] Power train oil overheat
Failure code [B@CHZG] HSS charge oil pressure reduction
Failure code [B@CHZK] Power train oil level reduction
Failure code [B@GAZK] Battery electrolyte level reduction
Failure code [B@HANS] Hydraulic oil overheat
Failure code [B@HAZK] Hydraulic oil level reduction
Failure code [CA111] Engine controller internal abnormality
Failure code [CA115] Engine Ne/Bkup speed sensor abnormality
Failure code [CA122] Charge pressure sensor abnormally high level
Failure code [CA123] Charge pressure sensor abnormally low level
Failure code [CA131] Throttle sensor abnormally high level
Failure code [CA132] Throttle sensor abnormally low level
Failure code [CA135] Engine oil pressure sensor abnormally high level
Failure code [CA141] Engine oil pressure sensor abnormally low level
Failure code [CA144] Coolant temperature sensor abnormally high level
Failure code [CA145] Coolant temperature sensor abnormally low level
Failure code [CA153] Charge temperature sensor abnormally high level
Failure code [CA154] Charge temperature sensor abnormally low level
Failure code [CA187] Sensor power supply 2 abnormally low level
Failure code [CA212] Engine oil temperature sensor abnormally high level
Failure code [CA213] Engine oil temperature sensor abnormally low level
Failure code [CA221] Ambient temperature sensor abnormally high level
Failure code [CA222] Ambient temperature sensor abnormally low level
Failure code [CA227] Sensor power supply 2 abnormally high level
Failure code [CA234] Engine overspeed
Failure code [CA238] Ne speed sensor power supply abnormality
Failure code [CA263] Fuel temperature sensor abnormally high level
Failure code [CA265] Fuel temperature sensor abnormally low level
Failure code [CA271] PCV1 short circuit
Failure code [CA272] PCV1 disconnection
Failure code [CA273] PCV2 short circuit
Failure code [CA274] PCV2 disconnection
Failure code [CA322] Injector #1 system disconnection or short circuit
Failure code [CA323] Injector #5 system disconnection or short circuit
Failure code [CA324] Injector #3 system disconnection or short circuit
Failure code [CA325] Injector #6 system disconnection or short circuit
Failure code [CA331] Injector #2 system disconnection or short circuit
Failure code [CA332] Injector #4 system disconnection or short circuit
Failure code [CA342] Engine controller data mismatch
Failure code [CA351] Injector drive circuit abnormality
Failure code [CA352] Sensor power supply 1 abnormally low level
Failure code [CA386] Sensor power supply 1 abnormally high level
Failure code [CA441] Power supply voltage abnormally low level
Failure code [CA442] Power supply voltage abnormally high level50 topics
  • Failure code [CA449] Common rail pressure abnormally high pressure 2
  • Failure code [CA451] Common rail pressure sensor abnormally high level
  • Failure code [CA452] Common rail pressure sensor abnormally low level
  • Failure code [CA553] Common rail pressure abnormally high pressure 1
  • Failure code [CA554] Common rail pressure sensor in-range abnormality
  • Failure code [CA559] Supply pump low pressure 1
  • Failure code [CA689] Engine Ne speed sensor abnormality
  • Failure code [CA731] Engine Bkup speed sensor phase abnormality
  • Failure code [CA757] Engine controller all data loss
  • Failure code [CA778] Engine Bkup speed sensor abnormality
  • Failure code [CA1228] EGR valve servo abnormality 1
  • Failure code [CA1625] EGR valve servo abnormality 2
  • Failure code [CA1633] CAN communication error (Engine controller)
  • Failure code [CA2185] Throttle sensor power supply abnormally high level
  • Failure code [CA2186] Throttle sensor power supply abnormally low level
  • Failure code [CA2249] Supply pump low pressure 2
  • Failure code [CA2271] EGR valve lift sensor abnormally high level
  • Failure code [CA2272] EGR valve lift sensor abnormally low level
  • Failure code [CA2351] EGR valve solenoid drive short circuit
  • Failure code [CA2352] EGR valve solenoid drive disconnection
  • Failure code [D110KA] Battery relay hold line disconnection
  • Failure code [D110KB] Battery relay hold line short circuit
  • Failure code [D130KA] Neutral safety relay disconnection
  • Failure code [D130KB] Neutral safety relay short circuit
  • Failure code [D161KA] Backup alarm relay disconnection
  • Failure code [D161KB] Backup alarm relay short circuit
  • Failure code [D182KZ] Preheater relay disconnection or short circuit
  • Failure code [D190KA] Engine controller ACC signal cut relay disconnection
  • Failure code [D190KB] Engine controller ACC signal cut relay short circuit
  • Failure code [D5ZRKA] Snap shot switch disconnection
  • Failure code [D5ZRKB] Snap shot switch short circuit
  • Failure code [DAFRKR] Machine monitor CAN communication error
  • Failure code [DAQ0KT] Transmission controller internal abnormality
  • Failure code [DAQ1KK] Transmission controller main power supply voltage reduction
  • Failure code [DAQ2KK] Transmission controller load power supply voltage reduction
    • voltage reduction
  • Failure code [DAQ6KK] Transmission controller sensor 24V power supply voltage reduction
    • voltage reduction
  • Failure code [DAQ9KQ] Transmission controller model selection signal disagreement
  • Failure code [DAQRKR] Transmission controller CAN communication error
  • Failure code [DAQSKR] Transmission controller S-NET communication error
  • Failure code [DB2RKR] Engine controller CAN communication error
  • Failure code [DB30KT] Steering controller internal abnormality
  • Failure code [DB31KK] Steering controller main power supply voltage reduction
  • Failure code [DB32KK] Steering controller load power supply voltage reduction
  • Failure code [DB35KK] Steering controller sensor 5V power supply (1) voltage reduction
  • Failure code [DB36KK] Steering controller sensor 24V power supply voltage reduction
  • Failure code [DB37KK] Steering controller sensor 5V power supply (2) voltage reduction
  • Failure code [DB39KQ] Steering controller model selection signal disagreement
  • Failure code [dB3RKR] Steering controller CAN communication error
Failure code [DB3SKR] Steering controller S-NET communication error
Failure code [DBB0KK] (or VHMS LED display "n901") VHMS supply voltage abnormality4 topics
  • abnormality
  • power supply voltage reduction
  • disconnection or short circuit
  • (VHMS controller)
Failure code [dbBRKR] VHMS controller CAN communication error
Failure code [DD12KA] Shift-up switch disconnection
Failure code [DD12KB] Shift-up switch short circuit
Failure code [DD13KA] Shift-down switch disconnection
Failure code [DD13KB] Shift-down switch short circuit
Failure code [DD14KA] Parking brake lever switch disconnection
Failure code [DD14KB] Parking brake lever switch short circuit
Failure code [DDB9L4] Reverse switch disagreement
Failure code [DDK3L4] Forward switch signal disagreement
Failure code [DDK5KA] Shift switch disconnection
Failure code [DDK5KB] Shift switch short circuit
Failure code [DDN2LD] Blade tilt right oil pressure switch is held down for long time
Failure code [DDN3LD] Blade tilt left oil pressure switch is held down for long time
Failure code [DDN7KA] Blade pitch switch disconnection
Failure code [DDN7KB] Blade pitch switch short circuit
Failure code [DDN9KA] Blade tilt switch disconnection
Failure code [DDN9KB] Blade tilt switch short circuit
Failure code [DDNALD] Blade lift raise oil pressure switch is held down for long time
Failure code [DDNBLD] Ripper lift raise oil pressure switch is held down for long time
Failure code [DDNCLD] Ripper lift lower oil pressure switch is held down for long time
Failure code [DDNDLD] Ripper tilt in oil pressure switch is held down for long time
Failure code [DDNELD] Ripper tilt back oil pressure switch is held down for long time
Failure code [DDNFLD] Blade lift lower oil pressure switch is held down for long time
Failure code [DDQ2KA] Parking brake lever switch disconnection
Failure code [DDQ2KB] Parking brake lever switch short circuit
Failure code [DDQ2L4] Parking brake lever switch ON/OFF signal disagreement
Failure code [DDT5KA] Neutral switch disconnection
Failure code [DDT5KB] Neutral switch short circuit
Failure code [DDT5KQ] Lever specification selection signal disagreement
Failure code [DGS1KX] Hydraulic oil temperature sensor signal out of range
Failure code [DGT1KA] Power train oil temperature sensor disconnection
Failure code [DGT1KX] Power train oil temperature sensor input signal out of range55 topics
  • system short circuit
  • system disconnection
  • Failure code [DH22KA] Work equipment pump oil pressure sensor 1 disconnection
  • Failure code [DH22KB] Work equipment pump oil pressure sensor 1 short circuit
  • Failure code [DH23KA] Work equipment pump oil pressure sensor 2 disconnection
  • Failure code [DH23KB] Work equipment pump oil pressure sensor 2 short circuit
    • system disconnection
    • system short circuit
    • input signal out of range
  • Failure code [DK10KA] Fuel control dial disconnection
  • Failure code [DK10KB] Fuel control dial short circuit
  • Failure code [DK30KA] Steering potentiometer 1 disconnection
  • Failure code [DK30KB] Steering potentiometer 1 short circuit
  • Failure code [DK30KX] Steering potentiometer 1 input signal out of range
  • Failure code [DK30KZ] Steering potentiometer 1 disconnection or short circuit
  • Failure code [DK30L8] Steering potentiometer 1 analog signal disagreement
  • Failure code [DK31KA] Steering potentiometer 2 disconnection
  • Failure code [DK31KB] Steering potentiometer 2 short circuit
  • Failure code [DK40KA] Brake potentiometer disconnection
  • Failure code [DK40KB] Brake potentiometer short circuit
  • Failure code [DK55KX] Direction potentiometer input signal out of range
  • Failure code [DK55KZ] Direction potentiometer disconnection or short circuit
  • Failure code [DK55L8] Direction potentiometer analog signal disagreement
  • Failure code [DK56KA] Direction potentiometer 1 disconnection
  • Failure code [DK56KB] Direction potentiometer 1 short circuit
  • Failure code [DK57KA] Direction potentiometer 2 disconnection
  • Failure code [DK57KB] Direction potentiometer 2 short circuit
  • Failure code [DK60KA] Acceleration sensor disconnection
  • Failure code [DK60KB] Acceleration sensor short circuit
  • Failure code [DKH1KA] Pitch angle sensor disconnection
  • Failure code [DKH1KB] Pitch angle sensor short circuit
  • Failure code [DKH1KX] Pitch angle sensor input signal out of range
  • Failure code [DLF1KA] Torque converter output speed sensor disconnection
  • Failure code [DLT3KA] Transmission output speed sensor disconnection 1
  • Failure code [dLT3KA] Transmission output speed sensor disconnection 2
  • Failure code [DLT3KB] Transmission output speed sensor short circuit
  • Failure code [DV00KB] Alarm buzzer short circuit
  • Failure code [DW59KA] Blade dual selector solenoid disconnection
  • Failure code [DW59KB] Blade dual selector solenoid short circuit
  • Failure code [DW59KY] Blade dual selector solenoid hot short
  • Failure code [DW5AKA] Blade pitch selector solenoid disconnection
  • Failure code [DW5AKB] Blade pitch selector solenoid short circuit
  • Failure code [DW5AKY] Blade pitch selector solenoid hot short
  • Failure code [DW7BKA] Fan reverse solenoid disconnection
  • Failure code [DW7BKB] Fan reverse solenoid short circuit
  • Failure code [DW7BKY] Fan reverse solenoid hot short
  • Failure code [DWN3KA] Sudden stop prevention solenoid disconnection
  • Failure code [DWN3KB] Sudden stop prevention solenoid short circuit
  • Failure code [DWN3KY] Sudden stop prevention solenoid hot short
  • Failure code [DWN5KA] Fan pulley solenoid 1 disconnection
  • Failure code [DWN5KB] Fan pulley solenoid 1 short circuit
  • Failure code [DWN5KY] Fan pulley solenoid 1 hot short
  • Failure code [DWNCKA] Fan pulley solenoid 2 disconnection
  • Failure code [DWNCKB] Fan pulley solenoid 2 short circuit
  • Failure code [DWNCKY] Fan pulley solenoid 2 hot short
Failure code [DXH1KA] Lockup solenoid disconnection
Failure code [DXH1KB] Lockup solenoid short circuit
Failure code [DXH1KY] Lockup solenoid hot short
Failure code [DXH4KA] 1st clutch ECMV disconnection
Failure code [DXH4KB] 1st clutch ECMV short circuit
Failure code [DXH4KY] 1st clutch ECMV hot short
Failure code [DXH5KA] 2nd clutch ECMV disconnection
Failure code [DXH5KB] 2nd clutch ECMV short circuit
Failure code [DXH5KY] 2nd clutch ECMV hot short
Failure code [DXH6KA] 3rd clutch ECMV disconnection
Failure code [DXH6KB] 3rd clutch ECMV short circuit
Failure code [DXH6KY] 3rd clutch ECMV hot short
Failure code [DXH7KA] Reverse clutch ECMV disconnection
Failure code [DXH7KB] Reverse clutch ECMV short circuit
Failure code [DXH7KY] Reverse clutch ECMV hot short
Failure code [DXH8KA] Forward clutch ECMV hot short
Failure code [DXH8KB] Forward clutch ECMV short circuit
Failure code [DXH8KY] Forward clutch ECMV hot short
Failure code [DXH9KA] Right steering clutch ECMV disconnection
Failure code [DXH9KB] Right steering clutch ECMV short circuit
Failure code [DXH9KY] Right steering clutch ECMV hot short
Failure code [DXHAKA] Left steering clutch ECMV disconnection
Failure code [DXHAKB] Left steering clutch ECMV short circuit
Failure code [DXHAKY] Left steering clutch ECMV hot short
Failure code [DXHBKA] Right brake ECMV disconnection
Failure code [DXHBKB] Right brake ECMV short circuit
Failure code [DXHBKY] Right brake ECMV hot short
Failure code [DXHCKA] Left brake ECMV disconnection
Failure code [DXHCKB] Left brake ECMV short circuit
Failure code [DXHCKY] Left brake ECMV hot short3 topics
  • abnormally high level
  • abnormally high level (2)
  • abnormally high level (1)
Information in troubleshooting table
The engine does not start
Preheat does not operate (Manual preheating function)
The ripper pin puller cylinder does not operate
When the starting switch is ON, none of the machine monitor come on1 topic
  • and does not go out
When the starting switch is ON, the basic check item flashes
While the engine is operating, any caution item flashes
An emergency caution item flashes while the engine is running
While the preheater is operating, the preheating pilot lamp does not come on2 topics
  • (Dual tilt-mounted machine)
  • does not come on
The engine coolant temperature gauge does not indicate normally
Indication of the power train (torque converter) temperature gauge is abnormal53 topics
  • The hydraulic oil temperature gauge does not indicate normally
  • Indication of the fuel gauge is abnormal
  • Indications of gear speed and engine speed are abnormal
  • Indication of the shift mode service meter is abnormal
  • The switch module cannot be operated
  • The warning lamp does not flash or does not go out
  • The alarm buzzer does not sound or does not stop
  • Auto shift down is not possible or is not released
  • The alarm buzzer cannot be cancelled
  • The operator mode cannot be operated
  • The service mode cannot be operated
  • The back-up alarm does not sound
    • come on
  • Air conditioner does not operate
  • Orbcomm terminal does not operate normally (Data are not transmitted)
  • Fan does not reverse
  • Gear cannot be shifted
  • Electric priming pump does not operate or does not stop automatically
  • No force (no drawbar pull)
  • No travel (at 2nd or 3rd speed)
  • No travel at all gear speeds
  • Machine travels only in one direction forward or in reverse
  • Large time lag at gear speed shifting or forward-reverse shifting
  • Steering is not possible
  • Steering is possible only on one side
  • Steering overrun occurs
  • Brake does not work
  • Torque converter is not lock-up
  • Power train oil overheats
  • All work equipment operates slowly
  • All work equipment does not operate
  • Blade lift speed is slow or lacks power
  • Blade tilt speed is slow or lacks power
  • Ripper lift speed is slow or lacks power
  • Ripper tilt speed is slow or lacks power
  • Excessive hydraulic drift of blade lift
  • Excessive hydraulic drift of blade tilt
  • Excessive hydraulic drift of ripper lift
  • Ripper pin puller cylinder does not work (giant ripper attachment machine)
  • Blade pitch does not work (dual tilt attachment machine)
  • Abnormal sound comes out from around work equipment pump
    • engine over heats)
  • Method of using troubleshooting chart
  • Engine does not start easily
  • Engine does not start
  • Engine does not pick up smoothly (follow-up is poor)
  • Engine stops during operation
  • Engine does not rotate smoothly (hunting)
  • Engine lacks output (or lacks power)
  • Exhaust smoke is black (Incomplete combustion)
  • Oil is consumed much (or exhaust gas color is blue)
  • Engine oil becomes contaminated quickly
  • Fuel consumption is excessive
Coolant contains oil (blows back or reduces)
Oil pressure lamp lights up (drop in oil pressure)
Oil level rises (Water, fuel in oil)
Coolant temperature rises too high (Overheating)
Abnormal noise is made
Vibration is excessive
Air cannot be bled from fuel circuit
How to read this manual
Coating materials list
Special tool list
Sketchs of special tools
Removal and installation of engine assembly
Removal and installation of cooling assembly (radiator, aftercooler and hydraulic oil cooler)
Removal and installation of radiator
Removal and installation of hydraulic oil cooler
Removal and installation of aftercooler
Removal and installation of radiator guard assembly
Removal and installation of fuel tank assembly
Removal and installation of engine hood assembly
Removal and installation of fan drive assembly
Removal and installation of fan motor assembly
Removal and installation of fuel supply pump assembly
Removal and installation of cylinder head assembly
Removal and installation of fuel injector assembly
Removal and installation of engine front seal
Removal and installation of engine rear seal
Removal and installation of damper assembly
Disassembly and assembly of damper
Removal and installation of power train unit assembly
Disconnection and connection of power train unit assembly
Disassembly and assembly of PTO assembly
Disassembly and assembly of torque converter assembly
Disassembly and assembly of torqflow transmission assembly
Disassembly and assembly of steering case assembly
Removal and installation of power train, lubrication pump assembly
Removal and installation of scavenging pump assembly
Removal and installation of final drive assembly
Disassembly and assembly of final drive assembly
Removal and installation of track frame assembly
Removal and installation of idler assembly
Disassembly and assembly of idler assembly
Removal and installation of recoil spring assembly
Disassembly and assembly of recoil spring assembly
Removal and installation track roller assembly
Disassembly and assembly of track roller assembly
Removal and installation of carrier roller assembly
Disassembly and assembly of carrier roller assembly
Removal and installation of bogie assembly47 topics
  • Disassembly and assembly of bogie assembly
  • Removal and installation of 1st bogie assembly
  • Expansion and installation of track shoe assembly
  • Whole disassembly and assembly of track shoe
  • Dimensions table of fitting jig of link press
  • Disassembly and assembly of 1 link in the field
  • Disassembly and assembly of master link
  • Removal and installation of pivot shaft assembly
  • Removal and installation of equalizer bar
  • Disassembly and assembly of equalizer bar bushing
  • Removal and installation of segment tooth
  • Removal and installation of hydraulic tank and control valve assembly
  • Removal and installation of work equipment pump assembly
  • Removal and installation of fan pump assembly
  • Removal and installation of control valve assembly
  • Assembly of control valve assembly
  • Disassembly and assembly of PPC charge valve assembly
  • Disassembly and assembly of blade PPC valve assembly
  • Disassembly and assembly of ripper PPC valve assembly
  • Disassembly and assembly of hydraulic cylinder assembly
  • Disassembly and assembly of ripper pin puller cylinder assembly
  • Removal and installation of blade assembly
  • Disassembly and assembly of blade assembly
  • Disassembly and assembly of giant ripper assembly
  • Removal and installation of ROPS guard
  • Removal and installation of operator's cab assembly
  • Removal and installation of floor frame assembly
  • Removal and installation of transmission and steering controller assembly
  • Removal and installation of engine controller assembly
  • Removal and installation of VHMS controller assembly
  • Removal and installation of air conditioner unit assembly
  • Removal and installation of monitor panel assembly
  • Hydraulic circuit diagram (1/2)
  • Hydraulic circuit diagram (2/2)
  • Power train hydraulic circuit diagram
  • Electrical circuit diagram (1/13)
  • Electrical circuit diagram (2/13)
  • Electrical circuit diagram (3/13)
  • Electrical circuit diagram (4/13)
  • Electrical circuit diagram (5/13)
  • Electrical circuit diagram (6/13)
  • Electrical circuit diagram (7/13)
  • Electrical circuit diagram (8/13)
  • Electrical circuit diagram (9/13)
  • Electrical circuit diagram (10/13)
  • Electrical circuit diagram (11/13)
  • Electrical circuit diagram (12/13)
Electrical circuit diagram (13/13)
Electrical circuit diagram for inside cab
Air conditioner unit electrical circuit diagram
Connectors table and arrangement drawing

Inside this manual

Real pages from this service manual (1,619 pages). Open the sample pages (PDF, 820 KB)

Sample pages from the Komatsu D375A-5E0 Bulldozer Service Manual: Specifications, Diagram, Troubleshooting, Color page, Foldout diagram
  • Specifications, page 492: 30 Testing and adjusting
  • Diagram, page 717: Circuit diagram related
  • Troubleshooting, page 1,242: Method of using troubleshooting chart
  • Color page, page 578: 30 Testing and adjusting
  • Foldout diagram, page 1,604: Electrical circuit diagram (4/13)

Other manuals for this machine

Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the D375A-5E0 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.

This manual: Service Manual SEN00986-11$169.83
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This is a service manual

Here's how it compares to the other manual types.

This manual

Service manual

Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.

Operator's manual

Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.

Parts manual

Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.

Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.

What it's used for

Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.

Service shops and owner/operators who repair their own equipment

Identifying correct parts and seeing how assemblies come apart and go back together

Keeping equipment running with less downtime

Factory manual, 1,619 pages

Quantity one is the manual described above.

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Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.

Other editions and similar models

Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).