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Kubota GR2020G - User Manual

Kubota GR2020G
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GR2020G
GR2120
GR2120AU
MODELS
OPERATOR'S MANUAL
1BDAHAOAP0580
Code No. K1270-7122-1
AS . D . 1 - 1 . - . AK
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PRINTED IN U.S.A.
©
KUBOTA Corporation 2014
READ AND SAVE THIS MANUAL

Table of Contents

Questions and Answers

  • M
    Mr. Andre Mercer MDSep 8, 2025
    Why does my Kubota GR2020G belt keep slipping?
    • S
      Steven SchneiderSep 8, 2025
      If the belt on your Kubota Lawn Mower is slipping, the belt tension might be incorrect. Adjust the belt tension. Another cause could be a plugged mower deck, so clear the mower deck. Also, check for debris in the pulleys and clean them. Finally, a worn belt can cause slipping, so replace the belt if necessary.
  • J
    Joshua BoydAug 23, 2025
    What to do if my Kubota GR2020G Lawn Mower starter does not function?
    • C
      Cindy KentAug 23, 2025
      If the starter on your Kubota Lawn Mower isn't working, the battery might be discharged. Recharge the battery. Another possibility is a poor terminal connection, so improve the terminal connections. The battery life may also have expired, so replace the battery if necessary.
  • L
    lisaherreraAug 25, 2025
    What to do if my Kubota GR2020G Lawn Mower has insufficient engine power?
    • D
      Daniel ReedAug 25, 2025
      If your Kubota Lawn Mower has insufficient engine power, it could be due to a clogged air cleaner element. Try replacing or cleaning the air cleaner element. Another cause might be insufficient fuel flow or poor fuel quality, so check the fuel supply and quality.
  • M
    Maria EvansAug 26, 2025
    What to do if my Kubota GR2020G blades are scalping grass?
    • T
      thomasjohnAug 27, 2025
      If your Kubota Lawn Mower blades are scalping the grass, consider these potential causes: the cutting height might be too low, so increase it. The blade speed could be too fast, so reduce it. Ridges or rough terrain can also cause scalping, so address those issues. Other possible factors include bent blades (replace them), low tire inflation (check and adjust), or anti-scalp rollers that aren't correctly adjusted (adjust them).
  • H
    Harold PattersonAug 27, 2025
    How to fix uneven cut with my Kubota Lawn Mower?
    • R
      Ray JohnsAug 27, 2025
      To fix an uneven cut with your Kubota Lawn Mower, consider these factors: the mower deck might not be level, so level it. If you are moving too fast, reduce your ground speed. Dull blades can also cause an uneven cut, so sharpen or replace them. Other potential causes include improper tire inflation (check and adjust the pressure) or mower rollers that aren't adjusted correctly (adjust them).
  • D
    David ConleySep 23, 2025
    Why does my Kubota GR2020G have a larger turn radius?
    • D
      David DavisSep 23, 2025
      If your Kubota Lawn Mower has a larger turn radius or causes turf damage due to an inside rear axle issue, the glide steer system might not be correctly adjusted. Adjust the glide steer system.
  • A
    Angela HarrisSep 16, 2025
    Why does my Kubota GR2020G not move when running?
    • D
      Darren HansonSep 16, 2025
      If your Kubota Lawn Mower doesn't move while the engine is running, check if the parking brake is on. Release the parking brake. If that's not it, the transmission oil might be insufficient, so refill the transmission oil.
  • C
    Cheyenne WadeSep 18, 2025
    Why does my Kubota Lawn Mower move without pressing the speed control pedal?
    • S
      Stephanie GarciaSep 18, 2025
      If your Kubota Lawn Mower moves when the speed control pedal is not depressed, the hydrostatic neutral system might not be correctly adjusted. Adjust the hydrostatic neutral system.
  • C
    Christopher WashingtonSep 7, 2025
    Why is my Kubota GR2020G Lawn Mower overheating?
    • A
      Austin WangSep 7, 2025
      If your Kubota Lawn Mower (GR2120, GR2120AU) is overheating, it could be due to low coolant level. Refill coolant to the appropriate level. A loose or defective fan belt can also cause overheating; tighten or replace the fan belt. Another cause could be a corroded coolant flow route; repair or replace the corroded components. For GR2020G models, cooling fan trouble may be the cause; check and repair the cooling fan.
  • W
    wheelerbillySep 4, 2025
    What causes my Kubota GR2020G Lawn Mower to load down?
    • M
      Micheal BassSep 4, 2025
      If your Kubota Lawn Mower is loading down the machine, it could be due to a few reasons: the engine rpm might be too low, so increase it. The ground speed could be too fast, so reduce it. Also, check for debris wrapped around the mower spindles and remove it.

Summary

FOREWORD

SAFETY FIRST

Explains the meaning of the Safety Alert Symbol and hazard levels (Danger, Warning, Caution).

SAFE OPERATION

BEFORE OPERATING

Lists essential checks and precautions to take before starting the machine.

OPERATING SAFETY GUIDELINES

Safe practices during starting, working, pulling loads, and operating on slopes.

OPERATING THE MACHINE

STARTING THE TRACTOR

How to start the tractor, adjust seat, and use basic controls like lights.

MAINTENANCE

SERVICE INTERVALS

A schedule of recommended maintenance tasks based on operating hours.

LUBRICANTS, FUEL AND COOLANT

Details recommended lubricants, fuel types, and coolant for the machine.

PERIODIC SERVICE

DAILY CHECKS

Essential checks to perform before each use to ensure safe operation.

Engine and Fuel System Maintenance

How to check engine oil level and safely refuel the machine.

ADJUSTMENT

TROUBLESHOOTING

ENGINE TROUBLESHOOTING

Common engine problems and their probable causes and solutions.

Kubota GR2020G Specifications

General IconGeneral
Engine TypeGasoline
Cutting Width48 inches
TransmissionHydrostatic
Number of speedsVariable
Drive Type2WD
TypeRiding Mower

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