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Toro 74020 - User Manual

Toro 74020
80 pages
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FormNo.3447-643RevB
ZMaster
®
4000SeriesRiding
Mower
With48in,52in,60in,or72inTURBO
FORCE®Mower
ModelNo.74000—SerialNo.400000000andUp
ModelNo.74000TA—SerialNo.400000000andUp
ModelNo.74002—SerialNo.400000000andUp
ModelNo.74004—SerialNo.400000000andUp
ModelNo.74010—SerialNo.400000000andUp
ModelNo.74015—SerialNo.400000000andUp
ModelNo.74020—SerialNo.400000000andUp
ModelNo.74022—SerialNo.400000000andUp
ModelNo.74035—SerialNo.400000000andUp
ModelNo.74050—SerialNo.400000000andUp
ModelNo.74050TA—SerialNo.400000000andUp
ModelNo.74052—SerialNo.400000000andUp
ModelNo.74054—SerialNo.400000000andUp
ModelNo.74054TA—SerialNo.400000000andUp
ModelNo.74055—SerialNo.400000000andUp
ModelNo.74055TA—SerialNo.400000000andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)
*3447-643*

Table of Contents

Questions and Answers

  • S
    Suzanne LopezSep 12, 2025
    Why does my Toro Lawn Mower pull to one side?
    • T
      timothywilliamsSep 12, 2025
      If your Toro Lawn Mower pulls to the left or right, it could be because: * The tracking needs adjustment: Adjust the tracking. * The tire pressure in the drive tires is not correct: Adjust the tire pressure in the drive tires.
  • T
    Tammy RobinsonSep 13, 2025
    What to do if the clutch does not engage on my Toro Lawn Mower?
    • D
      Danielle MartinezSep 13, 2025
      If the clutch does not engage on your Toro Lawn Mower, you can try the following: * Replace the fuse. Check the coil resistance, battery charge, charging system, and wiring connections, and replace components if necessary. * Check the coil resistance, battery charge, charging system, and wiring connections and replace parts if necessary. * Repair or replace the clutch lead wire or electrical system. Clean the connector contacts. * Remove the shim or replace the clutch.
  • S
    Samuel ReidSep 15, 2025
    What to do if my Toro 74020 starter does not crank?
    • W
      wardmallorySep 15, 2025
      If the starter on your Toro Lawn Mower doesn't crank, check these items: * Ensure the blade-control switch is disengaged. * Confirm the parking brake is engaged. * Make sure the motion-control levers are in the NEUTRAL-LOCK position. * Ensure you are sitting in the operator’s seat. * Charge the battery if it's dead. * Check the electrical connections for good contact and replace the fuse if it is blown.
  • S
    Stephanie GuzmanSep 18, 2025
    What should I do if the clutch doesn't engage on my Toro Lawn Mower?
    • A
      Anne ThompsonSep 18, 2025
      If the clutch on your Toro Lawn Mower does not engage, here are a few things to consider: * Replace the fuse. Check the coil resistance, battery charge, charging system, and wiring connections, and replace components if necessary if the fuse is blown. * Check the coil resistance, battery charge, charging system, and wiring connections and replace parts if necessary if there is low voltage supply at the clutch. * Replace the clutch if the coil is damaged. * Repair or replace the clutch lead wire or electrical system. Clean the connector contacts if there is inadequate current supply. * Remove the shim or replace the clutch if the rotor/armature air gap is too large.
  • L
    Lauren VelasquezNov 19, 2025
    Why won't my Toro 74020 start or stay running?
    • J
      jonesjennaNov 19, 2025
      There are several reasons why your Toro Lawn Mower might not start or stay running: * The fuel tank may be empty. Fill the fuel tank. * The fuel-shutoff valve may be closed. Open the fuel-shutoff valve. * The oil level in the crankcase may be low. Add oil to the crankcase. * The throttle may not be in the correct position. Ensure the throttle control is midway between the SLOW and FAST positions. * The fuel filter may be dirty. Replace the fuel filter. * The air cleaner may be dirty. Clean or replace the air-cleaner element. * The seat switch may not be functioning properly. Check the seat-switch indicator and replace the seat if necessary. * The electrical connections may be corroded, loose, or damaged. Check the electrical connections for good contact. Clean the connecto...
  • T
    Tom FergusonNov 21, 2025
    Why won't my Toro 74020 Lawn Mower engine start?
    • H
      Heather LloydNov 21, 2025
      If your Toro Lawn Mower engine isn't starting, starts with difficulty, or won't stay running, here are a few things to check: * Ensure the fuel tank isn't empty by filling it. * Verify the fuel-shutoff valve is open. * Check that the oil level in the crankcase is adequate, and add oil if it's low. * Position the throttle control midway between the SLOW and FAST settings. * Clean or replace the air-cleaner element if it's dirty. * Make sure the spark-plug wire is connected and that the spark plug is properly adjusted or replaced if fouled. * Inspect electrical connections for corrosion, looseness, or damage; clean the connector terminals with electrical-contact cleaner, apply dielectric grease, and reconnect appropriately. * Replace the fuel filter if it is dirty. * Check...

Toro 74020 Specifications

General IconGeneral
BrandToro
Model74020
CategoryLawn Mower
Power SourceGasoline
Engine Displacement159 cc
Engine Type4-Cycle
Drive SystemRear Wheel Drive
Deck MaterialSteel
Cutting Height Positions9
Number of Blades1
Mulching CapabilityYes
Bagging CapabilityYes
Side DischargeYes
TypeWalk-Behind
Cutting Width22 inches
Start TypePull Start
Cutting Height1 inch to 4 inches
Fuel Tank Capacity0.25 gallons
Weight77 lbs

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