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Toro 74938 - User Manual

Toro 74938
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FormNo.3375-649RevA
ZMaster
®
Professional6000
SeriesRidingMower
with60inor72inTURBOFORCE
®
Side
DischargeMower
ModelNo.74936—SerialNo.313000001andUp
ModelNo.74938—SerialNo.313000001andUp
g019887
Registeratwww.Toro.com.
OriginalInstructions(EN)
*3375-649*A

Table of Contents

Questions and Answers

  • M
    Michele RiceSep 17, 2025
    What to do if the clutch on my Toro 74938 Lawn Mower does not engage?
    • R
      ryanbrownSep 18, 2025
      If the clutch on your Toro Lawn Mower does not engage, the fuse could be blown, so replace the fuse. Check the coil resistance, battery charge, charging system, and wiring connections, and replace components if necessary. There might be low voltage supply at the clutch, so check the coil resistance, battery charge, charging system, and wiring connections and replace parts if necessary. There could be inadequate current supply, so repair or replace the clutch lead wire or electrical system and clean the connector contacts. The rotor/armature air gap might be too large, so remove the shim or replace the clutch.
  • R
    Robin ScottSep 1, 2025
    How to fix a starter that won't crank on my Toro Lawn Mower?
    • K
      Kevin MartinSep 1, 2025
      If the starter on your Toro Lawn Mower won't crank, check these items: * Ensure the blade-control switch is disengaged. * Engage the parking brake. * Move the motion-control levers to the NEUTRAL-LOCK position. * Make sure you are sitting in the operator’s seat. * Charge the battery if it's dead. * Check the electrical connections for good contact. * Replace the fuse if it's blown.
  • J
    James JohnsonAug 27, 2025
    Why Toro 74938 blades do not rotate?
    • T
      Tracy SullivanAug 27, 2025
      If the blades on your Toro Lawn Mower aren't rotating, it could be due to a worn, loose, or broken mower deck belt; in this case, install a new deck belt. Another possibility is that the mower deck belt is off the pulley; reinstall it and check the idler pulley, idler arm, and spring for correct position and function. Also, check the pump drive belt for wear, looseness, or breakage, and adjust the belt tension or install a new belt. Finally, inspect the idler spring and replace it if it's broken or missing.
  • M
    Melissa LevySep 23, 2025
    What causes abnormal vibration in my Toro Lawn Mower?
    • E
      Emily JonesSep 23, 2025
      Abnormal vibration in your Toro Lawn Mower can arise from several sources. Check if the cutting blades are bent or unbalanced and replace them if necessary. Ensure the blade mounting bolt is tight. Also, tighten the engine mounting bolts. Verify that the engine pulley, idler pulley, or blade pulley isn't loose and tighten it if needed. For a damaged engine pulley, bent blade spindle, or loose/worn motor mount, contact an Authorized Service Dealer.
  • D
    Daniel ButlerSep 22, 2025
    Why does the starter not crank on my Toro 74938?
    • L
      Laura JohnsonSep 22, 2025
      If the starter on your Toro Lawn Mower does not crank, ensure that the blade control switch (PTO) is disengaged. Also, set the parking brake, ensure that the drive levers are in the neutral lock position, and sit on the seat. You may also need to charge the battery, check the electrical connections for good contact, or replace the fuse. If problems persist, contact an Authorized Service Dealer.
  • K
    Kelsey HansenSep 3, 2025
    How to fix an uneven cutting height on my Toro 74938 Lawn Mower?
    • T
      Tracy DavidsonSep 3, 2025
      To fix an uneven cutting height on your Toro Lawn Mower, start by sharpening any dull blades or replacing bent ones. Next, level the mower deck from side-to-side and front-to-rear. Clean the underside of the mower deck. Also, ensure the tire pressure is correct. If the blade spindle is bent, contact an Authorized Service Dealer.
  • S
    Steven Thompson Jr.Sep 5, 2025
    What to do if my Toro Lawn Mower machine vibrates abnormally?
    • C
      Christopher WestSep 5, 2025
      If your Toro Lawn Mower is vibrating abnormally, it could be due to: * Bent or unbalanced cutting blade(s); install new cutting blade(s). * A loose blade mounting bolt; tighten the blade mounting bolt. * Loose engine mounting bolts; tighten the engine mounting bolts. * A loose engine pulley, idler pulley, or blade pulley; tighten the appropriate pulley.
  • E
    Edward DuranSep 9, 2025
    What to do if my Toro Lawn Mower clutch does not engage?
    • C
      Cassandra KhanSep 9, 2025
      If the clutch on your Toro Lawn Mower doesn't engage, it could be due to a blown fuse, low voltage supply at the clutch, a damaged coil, inadequate current supply, or a rotor/armature air gap that is too large. To address this, replace the fuse, check the coil resistance, battery charge, charging system, and wiring connections, and replace components if necessary; repair or replace the clutch lead wire or electrical system and clean the connector contacts; remove the shim or replace the clutch.
  • J
    Jorge BuckleySep 15, 2025
    Why won't my Toro 74938 Lawn Mower drive?
    • C
      Cathy RobertsSep 15, 2025
      If your Toro lawn mower isn't driving, check if the by pass valves are not closed tight and tighten them. Also, inspect the pump belt for wear, looseness, or breakage and change the belt if needed. Ensure the pump belt is on a pulley. Replace any broken or missing idler spring. Lastly, check the hydraulic oil level and add hydraulic oil to reservoirs or let it cool down if it's too hot.
  • M
    Melanie SpencerAug 25, 2025
    How to fix a Toro Lawn Mower when the starter does not crank?
    • M
      Miss Kendra Smith MDAug 25, 2025
      If the starter on your Toro Lawn Mower doesn't crank, here are some things to check: 1. Move the blade control switch (PTO) to disengaged. 2. Set the parking brake. 3. Ensure that the drive levers are in the neutral lock position. 4. Sit on the seat. 5. Charge the battery. 6. Check the electrical connections for good contact. 7. Replace the fuse.

Toro 74938 Specifications

General IconGeneral
Start TypeElectric/Recoil
Weight90 lbs
EngineBriggs & Stratton EXi 163cc w/Just Check & Add
Deck MaterialSteel
Mulching CapabilityYes
Bagging CapabilityYes
Side Discharge CapabilityYes
Engine TypeGas
Cutting Width22 inches
Drive SystemRear-wheel drive
Fuel Capacity0.5 gallons
Cutting Height1.5-4 inches
Fuel Tank Capacity0.5 gallons
Starter TypeRecoil

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