Toro 74402 - User Manual

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Form No. 3352-224

TimeCutter® Z380 and Z420

Riding Mowers

Model No. 74402 —Serial No. 250000001 and Up

Model No. 74403 —Serial No. 250000001 and Up

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

Table of Contents

Questions and Answers

U
uoconnellSep 14, 2025
How to stop abnormal vibration in Toro 74402 Lawn Mower?
- D
  Debra OlsonSep 14, 2025
  Abnormal vibration in your Toro Lawn Mower can stem from several issues. Start by checking the engine mounting bolts and tighten them if they are loose. Inspect the engine pulley, idler pulley, or blade pulley and tighten any that are loose. If the engine pulley is damaged, contact an Authorized Service Dealer. Also, inspect the cutting blades. If the cutting blade(s) is/are bent or unbalanced, install a new cutting blade(s). Ensure that the blade mounting bolt is tightened. If a blade spindle is bent, contact an Authorized Service Dealer.
L
Laura SmithSep 16, 2025
Why is my Toro 74402 engine overheating?
- A
  Anthony WillisSep 16, 2025
  If your Toro Lawn Mower engine overheats, there are several potential causes. First, the engine load might be excessive, in which case you should reduce ground speed. Second, the oil level in the crankcase could be low, so you should add oil. Third, the cooling fins and air passages under the engine blower housing might be plugged; remove any obstructions. Fourth, a dirty air cleaner could be the issue; clean or replace the air cleaner element.
D
Deborah BaxterSep 18, 2025
What causes the blades on my Toro Lawn Mower to not rotate?
- T
  Tyler WalkerSep 18, 2025
  If the blades on your Toro Lawn Mower do not rotate, install a new drive belt if the current one is worn, loose, or broken. If the drive belt is off of the pulley, install the drive belt and check the adjusting shafts and belt guides for the correct position. Also, install a new mower belt if the current one is worn, loose, or broken.
L
Laura HowardNov 19, 2025
Why my Toro 74402 engine will not start?
- M
  Mark CannonNov 19, 2025
  If your Toro Lawn Mower's engine won't start, starts hard, or fails to keep running, several factors could be at play. First, ensure the fuel tank isn't empty by filling it. Next, check that the fuel valve is open. If the engine still doesn't start, make sure the choke is on. A dirty air cleaner can also cause issues, so clean or replace it. Inspect the spark plug wire(s) to ensure they are securely connected. Replace any pitted, fouled, or incorrectly gapped spark plugs. Check the fuel filter for dirt and replace if necessary. If there's dirt, water, or stale fuel in the fuel system, you should contact an Authorized Service Dealer. Also, ensure you're using the correct fuel type; if not, drain the tank and replace it. Finally, check and replenish the oil level in the crankcase if it's low...
J
Jeffrey DelgadoNov 25, 2025
Why won't my Toro 74402 engine start?
- D
  David ReevesNov 25, 2025
  Several factors can prevent your Toro Lawn Mower engine from starting. The fuel tank might be empty, so you should fill it. The fuel valve could be turned off, so ensure it is open. Check if the choke is on; if not, move the choke lever to the 'On' position. A dirty air cleaner can also cause this issue, so clean or replace the air cleaner element. Other potential causes include a loose or disconnected spark plug wire (install the wire on the spark plug), a pitted, fouled, or incorrectly gapped spark plug (install a new, correctly gapped spark plug), dirt in the fuel filter (replace the fuel filter), incorrect fuel in the fuel tank (drain the tank and replace the fuel with the proper type), or low oil level in the crankcase (add oil to the crankcase). If none of these resolves the issue, t...

Toro 74402 Specifications

General

Brand	Toro
Model	74402
Category	Lawn Mower
Language	English

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