Kubota GL11000-USA - User Manual

Questions and Answers

J
Jeremy TaylorAug 20, 2025
What to do if my Kubota Portable Generator engine suddenly stops?
- C
  Cameron WilliamsAug 20, 2025
  If your Kubota Portable Generator engine stops suddenly, it might be due to several reasons: * Fuel shortage: Refuel the generator. * Insufficient engine oil: Add oil. * High water temperature or insufficient cooling water: Fill cooling water. * Loosened water pump belt: Adjust the belt tension. * Radiator blockage: Clean the radiator. * Open terminal cover: Close and fix the terminal cover with panel lock bolts.
S
Stephanie StricklandAug 22, 2025
Why won't my Kubota GL11000-USA start even when turning normally?
- T
  Terry MccallAug 22, 2025
  If your Kubota Portable Generator is not starting, consider the following: * Fuel shortage: Refuel the generator. * Fuel flow: Check the fuel filter (replace if dirty) and fuel tank (remove impurities or moisture). * Air/water in fuel line: Inspect the pipe and clamp, repair if damaged, relieve air, and remove water from the tank and filter. * Loose injection pipe: Re-tighten the pipe.
J
julie14Aug 25, 2025
How to troubleshoot a Kubota GL11000-USA Portable Generator that is not starting?
- S
  susan44Aug 25, 2025
  If your Kubota Portable Generator is not starting, check for these potential issues: * Battery trouble: Replace the battery. * Insufficient battery charge: Recharge the battery. * Cold weather issues: Replace engine oil with 5W40 or 10W30 for cold conditions and replace the fuse. * Open terminal cover: Ensure the terminal cover is closed and secured with panel lock bolts.
D
Dorothy CampbellAug 26, 2025
What does it mean if the oil pressure lamp is on in my Kubota Portable Generator?
- V
  Vincent SantosAug 26, 2025
  If the oil pressure lamp lights on when operating your Kubota Portable Generator, it could be due to: * Insufficient engine oil: Add engine oil. * Lubricating system issues: Check the system. * Faulty oil pressure sensor: Replace the sensor. * Faulty oil pressure sensor wiring: Repair the wiring.
S
Stephen MillerAug 27, 2025
Why is the water temperature lamp lighting up on my Kubota GL11000-USA Portable Generator?
- M
  Mark HallAug 27, 2025
  If the water temperature lamp lights on when operating your Kubota Portable Generator, it could be due to: * Engine overheating: Consult the "Precaution overheating" section in the "Radiator" section. * Faulty water temperature sensor: Replace the sensor. * Faulty water temperature sensor wiring: Repair the wiring.
R
Richard JonesAug 29, 2025
How to fix irregular rotation in my Kubota GL11000-USA?
- M
  Margaret FloydAug 29, 2025
  To address irregular rotation in your Kubota Portable Generator: * Fuel shortage: Refuel the generator. * Fuel flow: Check and replace the fuel filter if it's dirty, and remove any impurities or moisture from the fuel tank. * Air/water in fuel line: Inspect the pipe and clamp, repair if damaged. * Loose injection pipe: Re-tighten the pipe.
M
Michael RiveraAug 31, 2025
What to do if the circuit breaker on my Kubota GL11000-USA Portable Generator won't operate?
- A
  Andrew JenkinsAug 31, 2025
  If your Kubota Portable Generator's circuit breaker cannot be operated, it may be due to: * Overload: Reduce the load on the generator. * Short circuit: Repair the load circuitry connected to the output section.
W
William AndersonSep 2, 2025
Why is my Kubota GL11000-USA's output insufficient and rotation slow under load?
- H
  hoodveronicaSep 2, 2025
  If your Kubota Portable Generator's output is insufficient and the rotation slows under load, check for: * Clogged air cleaner element: Replace the air cleaner element. * Fuel system blockage: Inspect the fuel system. * Clogged fuel filter: Clean the filter element. * Oil deterioration: Replace the engine oil. * Overload: Refer to the generator guidelines for proper loading.
N
Natalie NelsonSep 4, 2025
What to do if there is no output from my Kubota GL11000-USA Portable Generator?
- C
  Christina McclureSep 4, 2025
  If you're not getting any output from your Kubota Portable Generator: * Initial current overload: Reduce the load (especially if it's a motor). * Overload: Reduce the load.
G
Gerald HarrisSep 6, 2025
What does it mean when my Kubota GL11000-USA engine indicates loaded condition?
- T
  trevorhoweSep 6, 2025
  If your Kubota Portable Generator's engine indicates a loaded condition, immediately stop the generator and request a repair, as this could be due to a short circuit in the generator wiring.

Summary

FOREWORD

SAFETY PRECAUTIONS

DANGER, WARNING AND CAUTION LABELS

Details specific labels and their meanings for hazard identification.

CARE OF LABELS

Instructions on maintaining and replacing safety labels on the generator.

SERVICING OF GENERATOR

SERIAL NUMBER RECORD

Section to record generator and engine serial numbers for service.

SPECIFICATION

NOMENCLATURE

EXTERNAL VIEWS AND PARTS IDENTIFICATION

Identifies external parts of the generator through diagrams and labels.

CONTROL PANEL

Details the layout and components of the generator's control panel.

GROUND FAULT CIRCUIT INTERRUPTER (GFCI) RECEPTACLE

TESTING PROCEDURE

Step-by-step instructions for testing the GFCI receptacle's functionality.

EASY CHECKER

Explains the function of the "easy checker" warning system.

CONTROL BOX

Identifies components within the generator's control box.

PREPARATION TO SUPPLY THE ELECTRIC POWER

GENERATOR GROUNDING

Essential steps for safely grounding the generator according to regulations.

RECOMMENDED ELECTRICAL DEVICE CAPACITY

Guidance on selecting electrical devices based on generator capacity.

CONNECTING THE LOAD

CONNECTION NOTES

Important safety and procedural notes before connecting loads.

SINGLE PHASE 2 TERMINALS TYPE

Instructions for connecting loads to 2-terminal single-phase outputs.

SINGLE PHASE 3 TERMINALS TYPE (1 P4 W)

Instructions for connecting loads to 3-terminal single-phase (1P4W) outputs.

SINGLE PHASE 3 TERMINALS TYPE (1 P3 W)

Instructions for connecting loads to 3-terminal single-phase (1P3W) outputs.

CONNECTING THE LOAD (RECEPTACLES OUTPUT MODEL)

Procedures for connecting loads to receptacle outputs on specific models.

CONNECTING THE LOAD (AUS MODEL)

Procedures for connecting loads to receptacles on AUS model generators.

PRE-OPERATION CHECK

HOW TO OPEN THE DOOR

Instructions for accessing the generator's internal components.

DAILY CHECK

Routine checks to perform before operating the generator.

ENGINE OIL

Procedures for checking and adding engine oil.

COOLANT

Procedures for checking and adding coolant to the engine.

FUEL

Guidelines for checking fuel level and refueling the generator.

OPERATING THE GENERATOR

SAFETY DEVICES

Explains safety features integrated into the generator's operation.

STARTING THE ENGINE

Detailed steps for safely starting the generator engine.

WARM-UP IN COLD AMBIENT TEMPERATURES

Procedures for warming up the engine in cold weather conditions.

COLD WEATHER STARTING

Specific instructions for starting the engine in very cold temperatures.

STOPPING THE ENGINE

Standard procedure for safely shutting down the generator engine.

EMERGENCY STOP

Procedure for stopping the engine if it fails to shut down normally.

SERVICE INTERVALS

PERIODIC SERVICE

FUEL

Maintenance procedures related to the fuel system.

CHECKING THE FUEL PIPES

Inspection and replacement guidelines for fuel pipes.

AIR BLEEDING THE FUEL SYSTEM

Steps to remove air from the fuel system after maintenance.

CLEANING THE FUEL FILTER POT

Instructions for cleaning the fuel filter pot.

ENGINE OIL

Procedures for changing and checking engine oil levels.

CHANGING ENGINE OIL

Detailed steps for draining and replacing engine oil.

REPLACING THE OIL FILTER CARTRIDGE

Instructions for replacing the engine oil filter cartridge.

AIR CLEANER

CLEANING SECONDARY AIR FILTER ELEMENT

Procedures for cleaning the secondary air filter element.

CLEANING PRIMARY AIR FILTER ELEMENT

Procedures for cleaning the primary air filter element.

EVACUATOR VALVE

Instructions for operating the air cleaner's evacuator valve.

RADIATOR

CHECKING COOLANT LEVEL, ADDING COOLANT

Procedures for checking and replenishing radiator coolant.

CHANGING COOLANT

Steps for draining and replacing the engine coolant.

REMEDIES FOR RAPID COOLANT LOSS

Troubleshooting steps for excessive coolant loss.

PERIODIC SERVICE

CHECKING RADIATOR HOSES AND CLAMPS

Inspection and replacement of radiator hoses and clamps.

ANTI-FREEZE

Safety precautions and procedures for using anti-freeze.

BATTERY

BATTERY CHARGING

Guidelines for safely charging the generator's battery.

INSTRUCTIONS FOR LONG TERM STORAGE

Procedures for storing the battery during extended periods.

BATTERY BOOST STARTING

Safety instructions for jump-starting the generator.

ELECTRIC WIRING

FUSE

Information on fuses protecting the electrical system.

FAN BELT

ADJUSTING FAN BELT TENSION

Procedure for adjusting the tension of the generator's fan belt.

TRANSPORTING; STORAGE

TRANSPORTING

Guidelines for safely transporting the generator.

STORAGE

Procedures for storing the generator properly.

TROUBLESHOOTING

GENERATOR TROUBLESHOOTING

Common problems and solutions related to the generator unit.

ENGINE TROUBLESHOOTING

Common problems and solutions related to the engine.

AUTOMATIC START;STOP UNIT (A S;S UNIT)

WIRING DIAGRAM

Summary

FOREWORD

SAFETY PRECAUTIONS

DANGER, WARNING AND CAUTION LABELS

Details specific labels and their meanings for hazard identification.

CARE OF LABELS

Instructions on maintaining and replacing safety labels on the generator.

SERVICING OF GENERATOR

SERIAL NUMBER RECORD

Section to record generator and engine serial numbers for service.

SPECIFICATION

NOMENCLATURE

EXTERNAL VIEWS AND PARTS IDENTIFICATION

Identifies external parts of the generator through diagrams and labels.

CONTROL PANEL

Details the layout and components of the generator's control panel.

GROUND FAULT CIRCUIT INTERRUPTER (GFCI) RECEPTACLE

TESTING PROCEDURE

Step-by-step instructions for testing the GFCI receptacle's functionality.

EASY CHECKER

Explains the function of the "easy checker" warning system.

CONTROL BOX

Identifies components within the generator's control box.

PREPARATION TO SUPPLY THE ELECTRIC POWER

GENERATOR GROUNDING

Essential steps for safely grounding the generator according to regulations.

RECOMMENDED ELECTRICAL DEVICE CAPACITY

Guidance on selecting electrical devices based on generator capacity.

CONNECTING THE LOAD

CONNECTION NOTES

Important safety and procedural notes before connecting loads.

SINGLE PHASE 2 TERMINALS TYPE

Instructions for connecting loads to 2-terminal single-phase outputs.

SINGLE PHASE 3 TERMINALS TYPE (1 P4 W)

Instructions for connecting loads to 3-terminal single-phase (1P4W) outputs.

SINGLE PHASE 3 TERMINALS TYPE (1 P3 W)

Instructions for connecting loads to 3-terminal single-phase (1P3W) outputs.

CONNECTING THE LOAD (RECEPTACLES OUTPUT MODEL)

Procedures for connecting loads to receptacle outputs on specific models.

CONNECTING THE LOAD (AUS MODEL)

Procedures for connecting loads to receptacles on AUS model generators.

PRE-OPERATION CHECK

HOW TO OPEN THE DOOR

Instructions for accessing the generator's internal components.

DAILY CHECK

Routine checks to perform before operating the generator.

ENGINE OIL

Procedures for checking and adding engine oil.

COOLANT

Procedures for checking and adding coolant to the engine.

FUEL

Guidelines for checking fuel level and refueling the generator.

OPERATING THE GENERATOR

SAFETY DEVICES

Explains safety features integrated into the generator's operation.

STARTING THE ENGINE

Detailed steps for safely starting the generator engine.

WARM-UP IN COLD AMBIENT TEMPERATURES

Procedures for warming up the engine in cold weather conditions.

COLD WEATHER STARTING

Specific instructions for starting the engine in very cold temperatures.

STOPPING THE ENGINE

Standard procedure for safely shutting down the generator engine.

EMERGENCY STOP

Procedure for stopping the engine if it fails to shut down normally.

SERVICE INTERVALS

PERIODIC SERVICE

FUEL

Maintenance procedures related to the fuel system.

CHECKING THE FUEL PIPES

Inspection and replacement guidelines for fuel pipes.

AIR BLEEDING THE FUEL SYSTEM

Steps to remove air from the fuel system after maintenance.

CLEANING THE FUEL FILTER POT

Instructions for cleaning the fuel filter pot.

ENGINE OIL

Procedures for changing and checking engine oil levels.

CHANGING ENGINE OIL

Detailed steps for draining and replacing engine oil.

REPLACING THE OIL FILTER CARTRIDGE

Instructions for replacing the engine oil filter cartridge.

AIR CLEANER

CLEANING SECONDARY AIR FILTER ELEMENT

Procedures for cleaning the secondary air filter element.

CLEANING PRIMARY AIR FILTER ELEMENT

Procedures for cleaning the primary air filter element.

EVACUATOR VALVE

Instructions for operating the air cleaner's evacuator valve.

RADIATOR

CHECKING COOLANT LEVEL, ADDING COOLANT

Procedures for checking and replenishing radiator coolant.

CHANGING COOLANT

Steps for draining and replacing the engine coolant.

REMEDIES FOR RAPID COOLANT LOSS

Troubleshooting steps for excessive coolant loss.

PERIODIC SERVICE

CHECKING RADIATOR HOSES AND CLAMPS

Inspection and replacement of radiator hoses and clamps.

ANTI-FREEZE

Safety precautions and procedures for using anti-freeze.

BATTERY

BATTERY CHARGING

Guidelines for safely charging the generator's battery.

INSTRUCTIONS FOR LONG TERM STORAGE

Procedures for storing the battery during extended periods.

BATTERY BOOST STARTING

Safety instructions for jump-starting the generator.

ELECTRIC WIRING

FUSE

Information on fuses protecting the electrical system.

FAN BELT

ADJUSTING FAN BELT TENSION

Procedure for adjusting the tension of the generator's fan belt.

TRANSPORTING; STORAGE

TRANSPORTING

Guidelines for safely transporting the generator.

STORAGE

Procedures for storing the generator properly.

TROUBLESHOOTING

GENERATOR TROUBLESHOOTING

Common problems and solutions related to the generator unit.

ENGINE TROUBLESHOOTING

Common problems and solutions related to the engine.

AUTOMATIC START;STOP UNIT (A S;S UNIT)

WIRING DIAGRAM

Kubota GL11000-USA Specifications

General

Brand	Kubota
Model	GL11000-USA
Category	Portable Generator
Language	English

Related product manuals

Kubota GL11000-USA-TM

Kubota GL11000-USA - User Manual

Table of Contents

Questions and Answers

Summary

FOREWORD

SAFETY PRECAUTIONS

DANGER, WARNING AND CAUTION LABELS

CARE OF LABELS

SERVICING OF GENERATOR

SERIAL NUMBER RECORD

SPECIFICATION

NOMENCLATURE

EXTERNAL VIEWS AND PARTS IDENTIFICATION

CONTROL PANEL

GROUND FAULT CIRCUIT INTERRUPTER (GFCI) RECEPTACLE

TESTING PROCEDURE

EASY CHECKER

CONTROL BOX

PREPARATION TO SUPPLY THE ELECTRIC POWER

GENERATOR GROUNDING

RECOMMENDED ELECTRICAL DEVICE CAPACITY

CONNECTING THE LOAD

CONNECTION NOTES

SINGLE PHASE 2 TERMINALS TYPE

SINGLE PHASE 3 TERMINALS TYPE (1 P4 W)

SINGLE PHASE 3 TERMINALS TYPE (1 P3 W)

CONNECTING THE LOAD (RECEPTACLES OUTPUT MODEL)

CONNECTING THE LOAD (AUS MODEL)

PRE-OPERATION CHECK

HOW TO OPEN THE DOOR

DAILY CHECK

ENGINE OIL

COOLANT

FUEL

OPERATING THE GENERATOR

SAFETY DEVICES

STARTING THE ENGINE

WARM-UP IN COLD AMBIENT TEMPERATURES

COLD WEATHER STARTING

STOPPING THE ENGINE

EMERGENCY STOP

SERVICE INTERVALS

PERIODIC SERVICE

FUEL

CHECKING THE FUEL PIPES

AIR BLEEDING THE FUEL SYSTEM

CLEANING THE FUEL FILTER POT

ENGINE OIL

CHANGING ENGINE OIL

REPLACING THE OIL FILTER CARTRIDGE

AIR CLEANER

CLEANING SECONDARY AIR FILTER ELEMENT

CLEANING PRIMARY AIR FILTER ELEMENT

EVACUATOR VALVE

RADIATOR

CHECKING COOLANT LEVEL, ADDING COOLANT

CHANGING COOLANT

REMEDIES FOR RAPID COOLANT LOSS

PERIODIC SERVICE

CHECKING RADIATOR HOSES AND CLAMPS

ANTI-FREEZE

BATTERY

BATTERY CHARGING

INSTRUCTIONS FOR LONG TERM STORAGE

BATTERY BOOST STARTING

ELECTRIC WIRING

FUSE

FAN BELT

ADJUSTING FAN BELT TENSION

TRANSPORTING; STORAGE

TRANSPORTING

STORAGE

TROUBLESHOOTING

GENERATOR TROUBLESHOOTING

ENGINE TROUBLESHOOTING

AUTOMATIC START;STOP UNIT (A S;S UNIT)

WIRING DIAGRAM

Summary

FOREWORD

SAFETY PRECAUTIONS