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Toro 74399 - User Manual

Toro 74399
52 pages
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FormNo.3361-191RevA
TimeCutter
®
Z4202andZ5020
RidingMower
ModelNo.74381—SerialNo.290000001andUp
ModelNo.74399—SerialNo.290000001andUp
Registeratwww.Toro.com.OriginalInstructions(EN)

Table of Contents

Questions and Answers

  • E
    Elizabeth WilliamsAug 8, 2025
    Why won't my Toro Lawn Mower engine start?
    • B
      Brian WilsonAug 8, 2025
      Your Toro Lawn Mower engine might not start due to several reasons. The fuel tank could be empty, so you should fill it. The choke might not be on; move the choke lever to the 'On' position. A dirty air cleaner can also cause this, so clean or replace the air cleaner element. Check if the spark plug wire(s) is loose or disconnected and install it on the spark plug. The spark plug(s) could be pitted, fouled, or have an incorrect gap, so install a new, correctly gapped spark plug(s). There could be dirt in the fuel filter, so replace the fuel filter. Also, ensure you're using the correct fuel type; if not, drain the tank and replace it with the proper fuel. Finally, check the oil level in the crankcase and add oil if it's low.
  • J
    Joe JonesAug 12, 2025
    What to do if Toro 74399 Lawn Mower blades do not rotate?
    • J
      John DuncanAug 12, 2025
      If the blades on your Toro Lawn Mower aren't rotating, the drive belt might be worn, loose, or broken, so install a new drive belt. Alternatively, the drive belt could be off of the pulley, so install the drive belt and check the adjusting shafts and belt guides for the correct position. Another possibility is that the mower belt is worn, loose, or broken, so install a new mower belt.
  • G
    greenrickeyAug 16, 2025
    How to fix Toro Lawn Mower engine overheating?
    • D
      dthomasAug 17, 2025
      If your Toro Lawn Mower engine is overheating, several factors could be responsible. First, the engine load might be excessive, so reduce your ground speed. Second, check the oil level in the crankcase and add oil if it's low. Third, inspect the cooling fins and air passages under the engine blower housing for any obstructions and remove them. Fourth, examine the air cleaner; if it's dirty, clean or replace the air cleaner element.
  • A
    Andrew BoothAug 21, 2025
    Why is my Toro Lawn Mower engine losing power?
    • A
      Amy KellyAug 21, 2025
      Your Toro Lawn Mower engine may be losing power due to several reasons. The engine load could be excessive, so reduce your ground speed. A dirty air cleaner can restrict airflow, so clean the air cleaner element. Check the oil level in the crankcase and add oil if it is low. Make sure that the cooling fins and air passages under the engine blower housing are free of obstructions. If the spark plug(s) is pitted, fouled, or the gap is incorrect, install a new, correctly gapped spark plug(s). The vent in the fuel cap may be closed, so open it. If there is dirt in the fuel filter, replace the fuel filter. Finally, ensure you're using the correct fuel type; if not, drain the tank and replace it with the proper fuel.
  • B
    Brent GallegosAug 25, 2025
    Why does my Toro 74399 have an uneven cutting height?
    • J
      Julie GouldAug 26, 2025
      Uneven cutting height on your Toro Lawn Mower can result from several factors. The blade(s) might not be sharp, so sharpen the blade(s). A cutting blade(s) may be bent, in which case you should install a new cutting blade(s). Ensure the mower is level from side-to-side and front-to-rear. Check that the anti-scalp wheel is set correctly and adjust the anti-scalp wheel height if needed. Clean the underside of the mower if it's dirty. Finally, verify that the tire pressure is correct and adjust it accordingly.
  • G
    gabrielfloresAug 29, 2025
    What to do if Toro 74399 Lawn Mower starter does not crank?
    • J
      jpriceAug 30, 2025
      If the starter on your Toro Lawn Mower isn't cranking, there are several things you can check: * Ensure the blade control switch is disengaged. * Make sure the motion control levers are in the park position. * Confirm that the operator is seated. * Check if the battery is dead and charge it if necessary. * Inspect the electrical connections for corrosion or looseness, and ensure they have good contact. * See if a fuse is blown and replace it.
  • E
    Evan GoodSep 2, 2025
    How to stop abnormal vibration in Toro 74399?
    • R
      Ryan LambertSep 3, 2025
      Abnormal vibration in your Toro Lawn Mower could be due to several reasons. First, check the engine mounting bolts and tighten them if they are loose. Second, inspect the engine pulley, idler pulley, or blade pulley and tighten the appropriate pulley if it is loose. If the cutting blade(s) is/are bent or unbalanced, install a new cutting blade(s). Also, check whether a blade mounting bolt is loose and tighten it.

Toro 74399 Specifications

General IconGeneral
Deck MaterialSteel
EngineBriggs & Stratton
Cutting Width22 inches
Drive SystemRear-wheel drive
Start TypeRecoil
Fuel Tank Capacity0.95 L
Oil Capacity20 oz
Warranty2 years

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