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Kubota KX080-4 - User Manual

Kubota KX080-4
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U.S.A. :KUBOTATRACTORCORPORATION
3401
DelAmoBlvd.,Torrance,CA
90503
,U.S.A.
Telephone:(
310
)
370
-
3370
Canada :KUBOTACANADALTD.
5900
14
thAvenue,Markham,Ontario,L
3
S
4
K
4
,Canada
Telephone:(
905
)
294
-
7477
France :KUBOTAEUROPES.A.S
19
-
25
,RueJulesVercruysse,Z.I.BP
88
,
95101
ArenteuilCedex,France
Telephone:(
33
)
1
-
3426
-
3434
Italy :KUBOTAEUROPES.A.SItalyBranch
ViaGrandi,
29
20068
PeschieraBorrome(MI)Italy
Telephone:(
39
)
02
-
51650377
Germany :KUBOTABAUMASCHINENGmbH
Steinhauserstr,
100
,
66482
ZweibruckenRheinlandpfalzGermany
Telephone:(
49
)
6332
-
4870100
U.K. :KUBOTA(U.K.)LTD.
DormerRoad,Thame,Oxfordshire,OX
9
3
UN,U.K.
Telephone:(
44
)
1844
-
214500
Australia :KUBOTATRACTORAUSTRALIAPTYLTD.
25
-
29
PermasWay,Truanina,VIC
3029
,Australia
Telephone:(
61
)-
3
-
9394
-
4400
Malaysia :SIMEKUBOTASDN.BHD.
No.
3
JalanSepadu
25
/
123
TamanPerindustrianAxis,
Seksyen
25
,
40400
ShahAlam,SelanorDarulEhsanMalaysia
Telephone:(
60
)
3
-
736
-
1388
Philippines :KUBOTAPHILIPPINES,INC.
232
QuirinoHihway,Baesa,QuezonCity
1106
,Philippines
Telephone:(
63
)
2
-
422
-
3500
Taiwan :SHINTAIWANAGRICULTURALMACHINERYCO.,LTD.
16
,Fenpin
2
ndRd,TaliaoShianKaohsiun
83107
,TaiwanR.O.C.
Telephone:(
886
)
7
-
702
-
2333
Thailand :SIAMKUBOTACORPORATIONCO.,LTD.
101
/
19
-
24
Moo
20
,NavanakornIndustrialEstate,TambonKhlonnuen,AmphurKhlonluan,
Pathumthani
12120
,THAILAND
Telephone:(
66
)
2
-
909
-
0300
Japan :KUBOTACorporation
Farm&IndustrialMachineryInternationalOperationsHeadquarters
2
-
47
,Shikitsuhiashi
1
-chome,Naniwa-ku,Osaka,Japan
556
-
8601
WesternDivision :
1175
S.GuildAvc.,Lodi,CA
95240
Telephone :(
209
)
334
-
9910
CentralDivision :
14855
FAABlvd.,FortWorth,TX
76155
Telephone :(
817
)
571
-
0900
NorthernDivision :
6300
atOneKubotaWay,Groveport,OH
43125
Telephone :(
614
)
835
-
1100
SoutheastDivision :
1025
NorthbrookParkway,Suwanee,GA
30024
Telephone :(
770
)
995
-
8855

Table of Contents

Other manuals for Kubota KX080-4

Questions and Answers

  • M
    Matthew LittleAug 15, 2025
    What to do if Kubota Excavators engine suddenly stops?
    • C
      Christopher BakerAug 15, 2025
      If your Kubota Excavators engine suddenly stops, it might be due to a low fuel level, which requires checking the fuel and adding more if necessary. It may also be necessary to purge the fuel system.
  • P
    Paige PetersonAug 18, 2025
    Why is the water temperature in red zone (Overheating) in my Kubota KX080-4?
    • B
      bruce02Aug 18, 2025
      If your Kubota Excavators is overheating with the water temperature in the red zone, several issues could be the cause. It could be due to a defective seal of the water pump, requiring a replacement. A worn or torn V-belt may need adjustment or replacement. A defective thermostat also warrants replacement. Low coolant level should be addressed by filling to the prescribed level. Clogged radiator grill or fins need cleaning. Coolant contaminated with rust requires replacement and the addition of anti-rust. A defective radiator cap should be replaced. Corroded coolant pipes should be cleaned. Lastly, continuous operation under full load may necessitate reducing the load.
  • E
    Erin WatkinsAug 21, 2025
    How to troubleshoot starting difficulties with Kubota Excavators?
    • J
      Janice JosephAug 21, 2025
      If your Kubota Excavators won't start, there are several potential causes. Ensure the lock levers are in the "LOCK" position. If the fuel is too viscous, check the fuel tank and filter for impurities and water, replacing the filter if necessary. Air or water in the fuel system requires removing water from the fuel tank and checking fuel pipe joint bolts and nuts for looseness. You may need to purge the fuel system. If the oil viscosity is too high, especially in winter, pour hot water over the radiator. Lastly, a nearly dead battery or insufficient compression requires recharging the battery.
  • R
    Robert GomezAug 25, 2025
    What to do if Kubota KX080-4 water temperature is in red zone (Overheating)?
    • S
      Sergio JenkinsAug 25, 2025
      If your Kubota Excavators experiences overheating with the water temperature in the red zone, it could be due to several reasons. A damaged cylinder head gasket causing coolant loss requires replacement. Low engine oil level needs to be corrected by filling to the prescribed level. Maladjustment of fuel injection requires readjusting the ignition timing. Also, the use of poor fuel necessitates switching to prescribed fuel.
  • D
    Derek KnightAug 27, 2025
    Why does my Kubota KX080-4 have insufficient engine power?
    • D
      David BennettAug 27, 2025
      If your Kubota Excavators has insufficient engine power, it could be due to a low fuel level, which requires checking and adding fuel if necessary. Another cause could be a clogged air cleaner, which requires cleaning the air filter element.
  • D
    David MezaAug 30, 2025
    What causes low power in boom, arm, bucket, drive, swing and dozer of Kubota KX080-4?
    • J
      James SpencerAug 30, 2025
      If the boom, arm, bucket, drive, swing, and dozer power is too low on your Kubota Excavators, it could be due to a low hydraulic oil level, which requires adding oil. Alternatively, there may be leakages of hoses and/or joints, which require replacing the hose or joint.
  • E
    egalvanSep 2, 2025
    Why does Kubota Excavators have abnormal exhaust gas color?
    • D
      David FisherSep 2, 2025
      If your Kubota Excavators is emitting abnormal exhaust gas, it could be due to poor fuel quality, which requires using high-quality fuel. Alternatively, there might be too much engine oil, which requires draining the engine oil to the prescribed level.
  • C
    clarkerinSep 5, 2025
    What to do if swing motor and front attachment does not work in Kubota KX080-4?
    • D
      daniel44Sep 5, 2025
      If the swing motor and front attachment on your Kubota Excavators do not work, ensure the lock lever is in the "UNLOCK" position by bringing it into the correct position.
  • C
    Curtis JacksonSep 8, 2025
    Why Kubota KX080-4 has deviation of drive direction?
    • Z
      zachary98Sep 9, 2025
      If your Kubota Excavators experiences deviation of drive direction, it could be due to stones blocking the tracks, which requires removing them. Alternatively, the track may be too loose or too tight, requiring adjustment.
  • B
    Brooke BradleySep 12, 2025
    What does it mean if system indicator light flashes on Kubota KX080-4?
    • L
      Larry NguyenSep 12, 2025
      If the system indicator light flashes on your Kubota Excavators, it indicates that a fuse in the fuse box is defective and needs to be replaced.

Summary

ABBREVIATION LIST

GENERAL SYMBOLS

FOREWORD

SAFETY FIRST

Safety information and symbols used in the manual.

SAFE OPERATION

BEFORE OPERATION

Pre-operation checks and safety guidelines.

OPERATING THE EXCAVATOR

Safe procedures for operating the excavator.

AFTER OPERATION

Procedures for shutting down and securing the excavator.

SAFE LOADING AND TRANSPORT OF THE EXCAVATOR

Guidelines for safely loading and transporting the machine.

MAINTENANCE

Important procedures for keeping the machine in good condition.

DEALER SERVICE

TECHNICAL DATA

DESCRIPTION OF MACHINE PARTS

INSTRUMENT PANEL AND CONTROL ELEMENTS

Control Pedals and Levers

Identification and function of control pedals and levers.

CHECKS BEFORE START

DAILY CHECKS

Essential checks to perform before each operation.

CHECKING THE DEVICES

How to check and use various machine devices.

Setting the Clock

How to set the machine's clock.

Periodic Check

Information on periodic maintenance checks.

Auto Idle Switch

Enabling and disabling the auto idle function.

Inhibit Diesel Particulate Filter (DPF) Regeneration Switch

How to inhibit or enable DPF regeneration.

CAB TYPE MACHINES

Wiper;Washer Switch

Operation of the windshield wiper and washer.

Interior Lamp

How to turn on the interior cabin lamp.

Heater Switch

Operation of the cabin heater.

Opening;Closing of CAB Door

Procedures for opening and closing the cabin door.

Emergency Hammer

Location and use of the emergency hammer.

AIR CONDITIONER

Air Flow

How air flows within the cabin.

Air Control Vent

Adjusting air flow direction from cabin vents.

Control Panel

Overview of the air conditioner control panel.

HANDLING THE SAFETY DEVICES

Pilot Control Lock Lever

How to use the pilot control lock lever for safety.

OPERATION OF THE ENGINE

STARTING THE ENGINE

Step-by-step guide to starting the engine.

STARTING WITH AN AUXILIARY BATTERY

How to jump-start the excavator with an auxiliary battery.

STOPPING THE ENGINE

Procedures for safely stopping the engine.

DPF Regeneration

Understanding and managing the DPF regeneration process.

EXCAVATOR OPERATION

RUNNING-IN OF THE NEW EXCAVATOR

Importance of breaking in new excavators.

Adjusting the Operators Seat

How to adjust the operator's seat for comfort and safety.

DRIVING

Safe driving techniques for the excavator.

UP AND DOWNHILL DRIVING

Safe driving on slopes.

OPERATION OF THE DOZER

How to operate the dozer blade.

TWO PATTERN SELECTION SYSTEM(TPSS)

Pattern Change

How to change between control patterns.

OPERATION OF THE BOOM

OPERATION OF THE ARM

OPERATION OF THE BUCKET

UNIT SWING AND BOOM SWING OPERATION

Unit Swing Operation

Operating the upper structure swing.

Boom Swing Operation

Operating the boom swing.

AUXILIARY PORT OPERATION

Selecting the Action Modes

Choosing operating modes for auxiliary ports.

AUX Port Handling Procedure

Step-by-step guide for using auxiliary ports.

Setting the Maximum Flow Volume

Adjusting hydraulic flow for attachments.

REGULAR CHECKS AND MAINTENANCE WORK

EVERY 50 SERVICE HOURS

Maintenance tasks for every 50 service hours.

Draining the Water from the Fuel Tank

Procedure to drain water from the fuel tank.

Draining Water Separator

How to drain water from the fuel water separator.

Battery

Checking and maintaining the excavator battery.

EVERY 100 SERVICE HOURS

Maintenance tasks for every 100 service hours.

Greasing Boom Swing Fulcrum

Lubricating the boom swing fulcrum.

EVERY 200 SERVICE HOURS

Maintenance tasks for every 200 service hours.

Adjusting V-belt Tension

How to adjust the tension of V-belts.

Checking Radiator Hoses and Clamps

Inspecting radiator hoses and clamps for wear.

Inspection and Cleaning Air Filter Element

How to inspect and clean the air filter element.

Air Filter Maintenance

Procedures for maintaining the air filter.

EVERY 250 SERVICE HOURS

Maintenance tasks for every 250 service hours.

EVERY 500 SERVICE HOURS

Maintenance tasks for every 500 service hours.

EVERY 1000 SERVICE HOURS

Maintenance tasks for every 1000 service hours.

Replacing the Hydraulic Pilot Filter Element

How to replace the hydraulic pilot filter element.

EVERY 1000 SERVICE HOURS OR ONCE A YEAR

Maintenance tasks for 1000 hours or annually.

EVERY 1500 SERVICE HOURS

Maintenance tasks for every 1500 service hours.

EVERY 2000 SERVICE HOURS

Maintenance tasks for every 2000 service hours.

EVERY 3000 SERVICE HOURS

Maintenance tasks for every 3000 service hours.

Cleaning Diesel Particulate Filter (DPF)

How to clean the Diesel Particulate Filter (DPF).

ANNUAL SERVICING

Electrical Wiring and Fuses

Checking electrical wiring and fuses.

Checking Air-Conditioner Pipes and Hoses

Inspecting AC pipes and hoses.

BIENNIAL SERVICING

Replacing Air-Conditioner Pipes and Hoses

Replacing AC pipes and hoses every two years.

Changing Radiator Coolant

Procedure for changing the radiator coolant.

SERVICING AS REQUIRED

Checking Amount of Refrigerant (gas)

Checking the refrigerant level in the AC system.

Draining the fuel filter

Procedure to drain water from the fuel filter.

OTHER ADJUSTMENTS AND REPLACEMENTS

PURGING OF THE FUEL SYSTEM

Removing air from the fuel system.

ADJUSTMENT OF TRACKS

Adjusting track tension for optimal performance.

CHANGING THE BUCKET

Safe procedure for changing the excavator bucket.

FUSES

Auxiliary Electric

Information on auxiliary electric power circuits.

Slow Blow Fuse

Details about slow blow fuses and their replacement.

TROUBLESHOOTING

OPERATION UNDER COLD WEATHER CONDITIONS

PREPARATION FOR OPERATION IN COLD WEATHER

Preparing the excavator for cold weather.

PROCEDURE AFTER DONE WORK

Post-operation procedures for cold weather.

LONG STORAGE

Periodic replacement of important component parts

Schedule for timely replacement of critical parts.

RECOMMENDED OILS

APPENDICES

MAIN DIMENSIONS

Key physical dimensions of the excavator.

LIFTING CAPACITY

LIST OF SCREENS

LIST OF NORMAL SCREENS

Displays shown during normal operation.

NAVIGATION LIST OF SCREENS

Error messages and their meanings on the LCD display.

AUTOMATIC DIESEL PARTICULATE FILTER (DPF) REGENERATION

Kubota KX080-4 Specifications

General IconGeneral
Engine Power66.4 HP
Bucket Capacity0.28 m3 / 0.37 yd3
Max Digging Depth15 ft 1 in
Max Reach7320 mm / 24 ft
Max Dumping Height5, 280 mm
Max Digging Radius7, 660 mm
Width7 ft 2 in
Transport Height8 ft 4 in
Travel Speed5.0 km/h

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