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Kubota ZD1211-AU - User Manual

Kubota ZD1211-AU
106 pages
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AX . H . 1 - 1 . - . AK
PRINTED IN U.S.A.
© KUBOTA Corporation 2019
English (Australia)
Code No. K3444-7126-1
ZD1211
-
AU·ZD1221R
-
AU·ZD1221L
-
AU·ZD1221RL
-
AU
OPERATOR'S MANUAL
READ AND SAVE THIS MANUAL
MODELS
ZD1211-AU
ZD1221R-AU
ZD1221L-AU
ZD1221RL-AU
1SDNT00001A01

Table of Contents

Questions and Answers

  • K
    Karen CamposSep 23, 2025
    What to do if engine does not stop when key switch is turned off on Kubota Lawn Mower?
    • J
      Jimmy BrownSep 23, 2025
      If the engine on your Kubota Lawn Mower does not stop when the key switch is turned “OFF”, the fuse may have blown (20 A). Replace the fuse.
  • D
    Deborah SanchezAug 25, 2025
    Why doesn't the starter function on my Kubota Lawn Mower?
    • T
      Tim VanceAug 25, 2025
      If the starter on your Kubota Lawn Mower does not function, there are several potential causes. It could be due to battery overuse, resulting in dim lights, in which case you should charge the battery sufficiently and adjust the fan belt. Poor terminal connections can also prevent the starter from working; clean the terminal and tighten it securely. Finally, the battery life may have expired, requiring you to replace the battery.
  • A
    Angela MaldonadoAug 25, 2025
    Why are the exhaust fumes colored on my Kubota Lawn Mower?
    • J
      Julia CurtisAug 26, 2025
      If you notice colored exhaust fumes from your Kubota Lawn Mower, it could be due to poor fuel quality, too much oil, or an overloaded engine. Try changing the fuel and fuel filter, ensuring you use the proper amount of oil, and reducing the engine load. Alternatively, the inside of the exhaust muffler might be damp from fuel, there could be an issue with the injection nozzle, or again, the fuel quality might be poor. In this case, heat the muffler by applying load to the engine, check the injection nozzle, and change the fuel and fuel filter.
  • L
    Lisa WilcoxAug 27, 2025
    Why is my Kubota Lawn Mower engine overheating?
    • E
      Emily CruzAug 27, 2025
      If your Kubota Lawn Mower engine overheats, it could be due to several reasons. The engine might be overloaded, so try lowering the speed or reducing the load. Check the coolant level and fill the cooling system to the correct level, inspecting the radiator and hoses for any loose connections or leaks. A loose or damaged fan belt can also cause overheating, so adjust or replace it as needed. Additionally, a dirty radiator core or grille screens can restrict airflow, so remove any trash. Finally, a corroded coolant flow route can cause overheating, so flush the cooling system.
  • S
    Samantha ThompsonAug 27, 2025
    What to do if my Kubota ZD1211-AU Lawn Mower engine stops suddenly?
    • J
      John ParkerAug 27, 2025
      If your Kubota Lawn Mower engine stops suddenly, it might be due to insufficient fuel. Check the fuel valve position, refuel the mower, and bleed the fuel system if necessary.
  • T
    Teresa BrownSep 15, 2025
    Why is my Kubota ZD1211-AU Lawn Mower cutting unevenly?
    • S
      sandovalkristinaSep 15, 2025
      An uneven cut with your Kubota Lawn Mower can be caused by several factors: * The mower deck is not level: Level the mower deck. * Ground speed is too fast: Slow down. * Blades are dull: Have the blades sharpened. * Blades are worn or damaged: Replace the blades. * Low tire inflation: Add air to correct pressure. * Anti-scalp rollers are not adjusted correctly: Adjust the anti-scalp rollers. * Wheels pressure not adjusted correctly: Set both tire pressures to the correct pressure.
  • J
    Jason EvansSep 12, 2025
    Why is the discharge deflector plugged on my Kubota ZD1211-AU?
    • B
      Brandy RomeroSep 12, 2025
      If the discharge deflector on your Kubota Lawn Mower is plugged, it could be due to several factors: * The grass is too wet: Wait for the grass to dry. * The grass is too long: Raise the cutting height and cut the grass twice. * Cutting too low: Raise the cutting height. * Engine RPM too low: Mow at full throttle. * Ground speed too fast: Slow down.
  • R
    Ryan EvansSep 14, 2025
    Why is my Kubota ZD1211-AU streaking grass uncut?
    • R
      Richard GoodmanSep 14, 2025
      If you notice streaking of uncut grass with your Kubota Lawn Mower, consider the following: * Ground speed is too fast: Slow down. * Engine RPM is too low: Mow at full throttle, check, and reset the engine RPM. * Grass is too long: Cut the grass twice. * Blades are dull or damaged: Replace or sharpen the blades. * Debris is in the mower deck: Clean the mower deck.
  • D
    David FlynnSep 5, 2025
    Why does the battery electrolyte level drop rapidly in my Kubota ZD1211-AU?
    • J
      james38Sep 5, 2025
      If the battery electrolyte level in your Kubota Lawn Mower drops rapidly, it could be due to a crack or pin holes in the electrolytic cells, requiring you to replace the battery. It might also indicate a charging system trouble.
  • T
    thomasschneiderSep 2, 2025
    Why is recharging my Kubota ZD1211-AU impossible?
    • J
      Jessica Huff MDSep 3, 2025
      If recharging your Kubota Lawn Mower battery is impossible, it is probably because the battery life has expired. Replace the battery.

Summary

SAFE OPERATION

Before Operating the Machine

Instructions and checks to perform before starting machine operation.

2. ROPS

Safety precautions for the Roll-Over Protective Structure (ROPS).

3. Safety for children

Safety measures to prevent accidents involving children during operation.

5. Operating on slopes

Precautions and techniques for safely operating the machine on slopes.

6. Stopping the machine

Procedures for safely stopping the machine and disengaging controls.

7. Using the PTO

Guidelines and safety for operating the Power Take-Off (PTO) system.

TRANSPORTING THE MACHINE

Guidelines for safely transporting the machine via trailer or truck.

SERVICING OF MACHINE

WARRANTY

Information about the KUBOTA Limited Express Warranty and its conditions.

SCRAPPING THE MACHINE AND ITS PROCEDURE

Procedures for safely decommissioning and disposing of the machine.

SPECIFICATIONS

SPECIFICATION TABLE

Detailed technical specifications for various Kubota mower models.

IMPLEMENT LIMITATIONS

INSTRUMENT PANEL AND CONTROLS

INSTRUMENT PANEL, SWITCHES AND HAND CONTROLS

Identification and location of all instrument panel components and controls.

MOWER

RCK60 P, RCK72 P

Diagram and identification of components for RCK60P and RCK72P mower decks.

RCK60 R, RCK72 R

Diagram and identification of components for RCK60R and RCK72R mower decks.

MOWER MOUNTING

MOUNTING THE MOWER DECK

Step-by-step instructions for attaching the mower deck to the machine.

INSTALLING PARTS TO THE MOWER

Procedures for installing specific parts onto the mower deck.

OPERATING THE ENGINE

GETTING ON AND OFF THE MACHINE SAFELY

Safety procedures for mounting and dismounting the machine.

STARTING THE ENGINE

Comprehensive guide to safely starting the engine.

LCD MONITOR

Overview of the LCD monitor display and its functions.

COLD WEATHER STARTING

Procedures for starting the engine in cold weather conditions.

WARMING UP THE ENGINE

Instructions for warming up the engine, especially in cold temperatures.

OPERATING THE MACHINE

OPERATING A NEW MACHINE

Guidelines for operating a new machine to ensure longevity and performance.

OPERATING THE FOLDABLE ROPS

Instructions for operating the foldable Roll-Over Protective Structure (ROPS).

STARTING THE MACHINE

Detailed steps for starting the machine's engine and preparing for operation.

3. Hydraulic lift control pedal

Operation of the hydraulic lift control pedal for raising/lowering implements.

6. Motion control lever

Understanding and using the motion control levers for movement and steering.

6.3 Re-start on slopes

Special procedures for restarting the machine on a slope.

OPERATING THE MOWER

MOWING TIPS

Advice and best practices for effective mowing.

ADJUSTING THE CUTTING HEIGHT

Instructions for adjusting the mower deck's cutting height.

PREVENTING GRASS CLIPPINGS AND DUST FROM SCATTERING

Methods to prevent grass clippings and dust from scattering.

TIRES AND WHEELS

TIRES

General information and safety regarding tires.

WHEELS

Important notes regarding wheel installation and torque.

PERIODIC SERVICE

OPENING THE HOOD, FRONT COVER AND STEP

How to open the hood, front cover, and step for access.

RAISING AND LOWERING THE OPERATORS SEAT

Instructions for adjusting the operator's seat position.

TILTING UP THE MACHINE

Procedures for safely tilting the machine for maintenance.

DAILY CHECK

Checklist of daily inspections to perform before operating the machine.

LUBRICANTS, FUEL AND COOLANT

Information on lubricants, fuel, and coolant types and capacities.

MAINTENANCE

SERVICE INTERVALS

Table outlining maintenance tasks and their recommended intervals.

EVERY 50 HOURS

Maintenance tasks to be performed every 50 operating hours.

EVERY 100 HOURS

Maintenance tasks to be performed every 100 operating hours.

EVERY 200 HOURS

Maintenance tasks to be performed every 200 operating hours.

EVERY 400 HOURS

Maintenance tasks to be performed every 400 operating hours.

EVERY 1000 HOURS OR EVERY 1 YEAR

Maintenance tasks performed every 1000 hours or annually.

EVERY 2000 HOURS OR EVERY 2 YEARS

Maintenance tasks performed every 2000 hours or two years.

EVERY 1 YEAR

Maintenance tasks to be performed annually.

EVERY 4 YEARS

Maintenance tasks to be performed every 4 years.

SERVICE AS REQUIRED

1. Replacing fuses

How to replace blown fuses in the machine's electrical system.

3. Checking and replacing blades

How to check, sharpen, and replace mower blades.

4. Replacing the mower belt

Procedure for replacing the mower drive belt.

ADJUSTMENT

MOTION CONTROL LEVER

Adjustments for the motion control levers to ensure proper operation.

MOWER DECK LEVEL

Procedures for leveling the mower deck.

2. Leveling the mower deck (side-to-side)

How to level the mower deck from side to side.

3. Leveling the mower deck (front-to-rear)

How to level the mower deck from front to rear.

GENERAL TORQUE SPECIFICATION

TIGHTENING TORQUE CHART

STORAGE

STORING THE MACHINE

Procedures for storing the machine for extended periods.

REMOVING THE MACHINE FROM STORAGE

Steps to take when taking the machine out of storage.

TROUBLESHOOTING

ENGINE TROUBLESHOOTING

Table of engine problems, causes, and recommended remedies.

POWER TRAIN TROUBLE SHOOTING

Troubleshooting common power train issues and error codes.

BATTERY TROUBLESHOOTING

Common battery problems, their causes, remedies, and preventive measures.

MACHINE TROUBLESHOOTING

Troubleshooting for general machine operational issues.

MOWER TROUBLESHOOTING

Common problems related to the mower deck and their solutions.

Kubota ZD1211-AU Specifications

General IconGeneral
Engine TypeDiesel
Engine ModelKubota D1105
Engine Power24.8 HP
TransmissionHydrostatic
Deck MaterialSteel
Deck TypeFabricated
Cutting Height Range25-127 mm (1-5 in)
Speed Range0-8.5 mph
TypeZero-Turn Mower
Cutting Width60 inches (152 cm)

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