Toro 74406 User Manual

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Form No. 3357-831 Rev A

TimeCutter® ZX440 Riding

Mower

Model No. 74603 —Serial No. 270000001 and Up

Register your product at www.Toro.com Original Instructions (EN)

Table of Contents

Questions and Answers:

A
Alyssa PattersonAug 20, 2025
What to do if my Toro 74406 Lawn Mower engine will not start?
- C
  christopher11Aug 20, 2025
  If your Toro Lawn Mower engine isn't starting, starts with difficulty, or stalls, consider these possibilities: the fuel tank may be empty, so fill it up. Ensure the fuel valve is open. Engage the choke. Check if the air filter is dirty and clean or replace it. Make sure the spark plug wire(s) are securely connected. Inspect the spark plug(s) for damage or incorrect gap and replace if necessary. Also, there might be dirt in the fuel filter. Ensure you're using the correct fuel type. Finally, check the oil level in the crankcase and add oil if needed.
E
emorrisAug 22, 2025
Why is my Toro 74406 Lawn Mower cutting height uneven?
- L
  Laura MorrisAug 22, 2025
  An uneven cutting height with your Toro Lawn Mower could be due to several reasons: The blade(s) might not be sharp, so sharpen them. A cutting blade(s) could be bent, in which case you should install a new one. The mower might not be level, so level it from side-to-side and front-to-rear. An anti-scalp wheel might not be set correctly, so adjust its height. The underside of the mower could be dirty, so clean it. The tire pressure could be incorrect, so adjust it.
M
Meghan PonceAug 25, 2025
Why won't my Toro 74406 Lawn Mower engine start?
- M
  malvaradoAug 25, 2025
  If your Toro Lawn Mower engine won't start, starts hard, or fails to keep running, several factors could be the cause. First, check if the fuel tank is empty and fill it if necessary. Ensure the fuel valve is open. If the engine still doesn't start, make sure the choke is on. A dirty air cleaner can also prevent the engine from starting, so clean or replace it. Check that the spark plug wire is securely connected to the spark plug and that the spark plug is not damaged; replace if needed. Also, ensure that the fuel filter is not clogged. If the oil level in the crankcase is low, add oil to the crankcase.
S
Sean HortonAug 26, 2025
Why does my Toro 74406 Lawn Mower engine lose power?
- M
  mcdanielchristineAug 26, 2025
  A loss of power in your Toro Lawn Mower engine can stem from several factors. The engine load might be too high, so reduce your ground speed. A dirty air cleaner can also cause this, so clean it. Check the oil level and add oil if it's low. Clear any blockages from the cooling fins and air passages. Replace the spark plug(s) if they are damaged or improperly gapped. Ensure the vent in the fuel cap is open. A dirty fuel filter can also cause power loss, so replace it. Lastly, using incorrect fuel may be the cause; drain the tank and refill with the correct type.
M
Mary CochranAug 28, 2025
What to do if my Toro 74406 Lawn Mower blades do not rotate?
- M
  Michael LiAug 28, 2025
  If the blades on your Toro Lawn Mower aren't rotating, it could be due to a worn, loose, or broken drive belt, in which case you should install a new one. Another possibility is that the drive belt is off the pulley; reinstall it, checking the adjusting shafts and belt guides for correct positioning. It's also possible that the mower belt is worn, loose, or broken, so install a new mower belt.
M
Martin LeeAug 30, 2025
How to fix Toro Lawn Mower when the engine overheats?
- J
  Jared WellsAug 30, 2025
  If your Toro Lawn Mower engine is overheating, it could be due to several reasons. First, the engine load might be excessive, so reduce ground speed. Check the oil level in the crankcase and add oil if it is low. Also, inspect the cooling fins and air passages under the engine blower housing for any obstructions and remove them. A dirty air cleaner can also cause overheating, so clean or replace it.
P
patrickfranklinSep 1, 2025
What to do if Toro 74406 Lawn Mower blades do not rotate?
- S
  Stephanie DouglasSep 1, 2025
  If the blades on your Toro Lawn Mower do not rotate, it could be due to a worn, loose, or broken drive belt; install a new drive belt. Another possibility is that the drive belt is off the pulley; install the drive belt and check the adjusting shafts and belt guides for the correct position. Also, the mower belt might be worn, loose, or broken, in which case you should install a new mower belt.
W
wrightsusanSep 3, 2025
How to fix uneven cutting height on my Toro Lawn Mower?
- E
  Elizabeth OrtizSep 3, 2025
  If your Toro Lawn Mower is producing an uneven cutting height, start by sharpening the blades. If a cutting blade is bent, replace it. Ensure the mower is level from side-to-side and front-to-rear. Adjust the anti-scalp wheel height as needed. Clean the underside of the mower deck. Adjust the tire pressure to the correct level. If a blade spindle is bent, contact an Authorized Service Dealer.
M
mcdanielkimberlySep 5, 2025
Why aren't the blades rotating on my Toro 74406?
- M
  mperezSep 5, 2025
  If the blades on your Toro Lawn Mower do not rotate, it could be due to a worn, loose, or broken drive belt, which needs to be replaced. Another cause could be that the drive belt is off of the pulley; in this case, install the drive belt and check the adjusting shafts and belt guides for the correct position. Finally, a worn, loose, or broken mower belt can also prevent the blades from rotating, so install a new mower belt.
S
Samantha ShafferSep 7, 2025
Why is my Toro Lawn Mower engine overheating?
- J
  James ParsonsSep 7, 2025
  Your Toro Lawn Mower engine might be overheating due to several reasons. It could be that the engine load is excessive, so try reducing the ground speed. Another cause might be a low oil level in the crankcase, so add oil. Also, check for obstructions in the cooling fins and air passages under the engine blower housing and remove them if present. A dirty air cleaner could also be the culprit; clean or replace the air cleaner element. If the issue persists, it could be due to dirt, water, or stale fuel in the fuel system.

Toro 74406 Specifications

General

Brand	Toro
Model	74406
Category	Lawn Mower
Language	English

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