Toro 74370 User Manual (English)

Questions and Answers:

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dickersonnicholasAug 23, 2025
Why won't the starter crank on my Toro 74370 Lawn Mower?
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  Seth SteeleAug 23, 2025
  If the starter on your Toro Lawn Mower isn't cranking, check these items: 1. Ensure the blade control switch is disengaged. 2. Confirm the motion control levers are in the park position. 3. Make sure you are seated on the seat. 4. Check the battery charge and charge if necessary. 5. Inspect the electrical connections for corrosion or looseness and ensure good contact. 6. Examine the fuse and replace it if blown. If these steps don't resolve the issue, a relay or switch may be damaged, and you should contact an Authorized Service Dealer.
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Theresa JonesAug 26, 2025
Why does my Toro 74370 engine lose power?
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  Jessica WestAug 26, 2025
  Your Toro Lawn Mower engine may be losing power due to: * Excessive engine load. Try reducing ground speed. * A dirty air cleaner. Clean the air cleaner element. * Low oil level in the crankcase. Add oil to the crankcase. * Plugged cooling fins and air passages. Remove any obstructions. * Faulty spark plug(s). Install a new, correctly gapped spark plug(s). * A closed vent in the fuel cap. Open the vent. * Dirt in the fuel filter. Replace the fuel filter. * Incorrect fuel in the fuel tank. Drain the tank and replace with the proper type. If the problem persists, there may be dirt, water, or stale fuel in the fuel system. In this case, it's best to contact an Authorized Service Dealer.
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Danielle OwensAug 27, 2025
How to fix uneven cutting height on my Toro 74370 Lawn Mower?
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  Jacqueline ColeAug 28, 2025
  To address uneven cutting height on your Toro Lawn Mower: * Sharpen the blade(s) if they are not sharp. * Replace bent cutting blade(s) with new ones. * Ensure the mower is level from side-to-side and front-to-rear. * Adjust the anti-scalp wheel height if it is not set correctly. * Clean the underside of the mower if it is dirty. * Adjust the tire pressure if it is incorrect. If a blade spindle is bent, contact an Authorized Service Dealer.
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Curtis BurkeAug 30, 2025
What to do if my Toro 74370 engine overheats?
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  Cassandra LongAug 30, 2025
  If your Toro Lawn Mower engine is overheating, several factors could be responsible: * The engine load might be excessive, so reduce the ground speed. * The oil level in the crankcase might be low, so add oil to the crankcase. * The cooling fins and air passages under the engine blower housing could be obstructed, so remove any obstructions. * A dirty air cleaner can cause overheating, so clean or replace the air cleaner element. If none of these steps resolve the issue, there might be dirt, water, or stale fuel in the fuel system, and you should contact an Authorized Service Dealer.
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Antonio MedinaAug 31, 2025
Why is my Toro Lawn Mower cutting unevenly?
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  qgillAug 31, 2025
  If you notice an uneven cutting height with your Toro Lawn Mower, consider these factors: * The blade(s) may not be sharp, so sharpen the blade(s). * A cutting blade(s) might be bent, so install a new cutting blade(s). * The mower might not be level, so level the mower from side-to-side and front-to-rear. * An anti-scalp wheel may not be set correctly, so adjust the anti-scalp wheel height. * The underside of the mower might be dirty, so clean the underside of the mower. * The tire pressure might be incorrect, so adjust the tire pressure. If the issue persists, a blade spindle might be bent, and you should contact an Authorized Service Dealer.
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Sarah BakerSep 3, 2025
Why is my Toro 74370 engine overheating?
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  Shannon Stanton DDSSep 3, 2025
  Your Toro Lawn Mower engine may be overheating due to several reasons: * The engine load could be excessive, so try reducing the ground speed. * The oil level in the crankcase might be low, so add oil. * The cooling fins and air passages under the engine blower housing could be plugged; remove any obstructions. * The air cleaner might be dirty; clean or replace it. * There may be dirt, water, or stale fuel in the fuel system. In this case, it's best to contact an Authorized Service Dealer.
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Nancy PerezSep 5, 2025
Why does my Toro 74370 Lawn Mower have abnormal vibration?
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  Caitlin FarmerSep 5, 2025
  Abnormal vibration in your Toro Lawn Mower can be caused by: * Loose engine mounting bolts. Tighten them. * A loose engine pulley, idler pulley, or blade pulley. Tighten the appropriate pulley. * Damaged cutting blade(s). Install a new cutting blade(s). * A loose blade mounting bolt. Tighten it. For a damaged engine pulley or a bent blade spindle, contact an Authorized Service Dealer.
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alan05Sep 7, 2025
What to do if my Toro 74370 machine does not drive?
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  michael70Sep 7, 2025
  If your Toro Lawn Mower isn't driving, it might be due to: * Open bypass valves. Close the tow valves. For worn, loose, or broken traction belts, traction belts off of the pulleys, or a failed transmission, contact an Authorized Service Dealer.
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Emily LambSep 9, 2025
Why the blades do not rotate on my Toro Lawn Mower?
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  Mark BennettSep 9, 2025
  If the blades on your Toro Lawn Mower do not rotate, check if: * The drive belt is worn, loose, or broken. If so, install a new drive belt. * The drive belt is off of the pulley. If so, install the drive belt and check the adjusting shafts and belt guides for the correct position. * The mower belt is worn, loose, or broken. If so, install a new mower belt.

Toro 74370 Specifications

General

Model	74370
Engine Type	4-Cycle
Deck Material	Steel
Start Type	Recoil
Starting System	Recoil
Type	Walk-Behind Lawn Mower
Engine	Briggs & Stratton
Cutting Width	22 inches
Drive Type	Self Propelled
Drive System	Rear-Wheel Drive
Oil Capacity	20 oz