Toro 74855 - User Manual

Questions and Answers

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fwardNov 21, 2025
Why won't my Toro 74855 engine start?
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  Taylor KeyNov 22, 2025
  Several factors can prevent your Toro Lawn Mower engine from starting. Here are a few things to check: 1. Ensure the fuel tank is full. 2. Verify the fuel shutoff valve is open. 3. Check that the oil level in the crankcase is sufficient. 4. Position the throttle control midway between the “SLOW” and “FAST” settings, and adjust the choke to the “ON” position for a cold engine or the “OFF” position for a warm engine. 5. Inspect and replace the fuel filter if it's dirty. 6. Check the spark plug wire connection and clean, adjust or replace the spark plug, if faulty. 7. Clean or replace the air filter if it is dirty. 8. Ensure the seat switch is functioning properly, replacing the seat if needed. 9. Check the electrical connections for good contact, cleaning connector terminals thorou...
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Dylan PierceAug 25, 2025
How to fix Toro 74855 engine that loses power?
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  Barbara JenningsAug 26, 2025
  If your Toro Lawn Mower engine is losing power, here are some possible causes and solutions: * Reduce the ground speed if the engine load is excessive. * Clean the air cleaner element if it is dirty. * Add oil to the crankcase if the oil level is low. * Remove any obstructions from the cooling fins and air passages. * Clean or replace the fuel cap if the vent hole is plugged. * Replace the fuel filter if it contains dirt.
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Leslie VaughanAug 27, 2025
What to do if my Toro 74855 doesn't drive?
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  Crystal CarterAug 27, 2025
  If your Toro Lawn Mower isn't driving, check the following: * Ensure the bypass valves are tightened securely. * Inspect the pump belt for wear, looseness, or breakage, and change the belt if necessary. * Make sure the pump belt is properly positioned on the pulley, and change the belt if needed. * Replace any broken or missing idler spring. * Ensure the hydraulic oil level is adequate and not too hot; add hydraulic oil to the reservoirs or allow it to cool down.
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Omar HernandezAug 27, 2025
How to fix uneven cutting height on my Toro 74855?
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  Victoria SmithAug 27, 2025
  Uneven cutting height on your Toro Lawn Mower can be caused by: * Dull blades: Sharpen the blade(s). * Bent cutting blades: Install new cutting blade(s). * Mower deck not level: Level the mower deck from side-to-side and front-to-rear. * Dirty mower underside: Clean the underside of the mower. * Incorrect tire pressure: Adjust the tire pressure.
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Douglas RamirezAug 28, 2025
Why does my Toro 74855 Lawn Mower engine lose power?
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  Jennifer StephensAug 28, 2025
  If your Toro Lawn Mower engine loses power, there are several things you can check. First, reduce the ground speed if the engine load is excessive. Clean the air cleaner element if it's dirty. Add oil to the crankcase if the oil level is low. Remove any obstructions from the cooling fins and air passages. Clean or replace the fuel cap if the vent hole is plugged. Lastly, replace the fuel filter if it's dirty.
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elizabeth12Sep 15, 2025
How to fix Toro Lawn Mower pulling to one side?
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  Joshua SimmonsSep 15, 2025
  If your Toro Lawn Mower pulls to the left or right even when the levers are fully forward, you may need to adjust the tracking. Also, ensure that the tire pressure in the drive tires is correct; adjust if necessary.
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Zachary MyersSep 12, 2025
What to do if Toro 74855 starter does not crank?
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  obutlerSep 12, 2025
  If the starter on your Toro Lawn Mower isn't cranking, make sure the blade-control switch (PTO) is disengaged. Set the parking brake and ensure the drive levers are in the NEUTRAL-LOCK position. Confirm that someone is seated on the seat. Check if the battery is dead and charge it if necessary. Inspect the electrical connections for corrosion or looseness and ensure good contact. Finally, check if the fuse is blown and replace it if needed.
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Brendan MillerSep 13, 2025
What to do if my Toro Lawn Mower does not drive?
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  David LeeSep 13, 2025
  If your Toro Lawn Mower is not driving, ensure the by pass valves are closed tight. If not, tighten them. Check the pump belt to see if it is worn, loose, or broken, and change the belt if needed. Also, check if the pump belt is off a pulley, and change the belt. Replace the spring if the idler spring is broken or missing. If the hydraulic oil level is low or too hot, add hydraulic oil to the reservoirs or let it cool down.
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Scott AnthonySep 5, 2025
What to do if my Toro 74855 Lawn Mower starter does not crank?
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  Joseph FisherSep 5, 2025
  If the starter on your Toro Lawn Mower isn't cranking, consider the following: * Ensure the blade control switch (PTO) is disengaged. * Confirm the parking brake is engaged. * Verify the drive levers are in the neutral lock position. * Make sure you are seated on the seat. * Check the battery charge and charge if necessary. * Inspect electrical connections for corrosion or looseness, ensuring good contact. * Replace the fuse if it's blown.
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Elizabeth WillisSep 3, 2025
Why Toro Lawn Mower machine does not drive?
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  julie64Sep 3, 2025
  If your Toro Lawn Mower isn't driving, first ensure the bypass valves are tightly closed. Other possible causes include a worn, loose, or broken pump belt (change the belt) or a pump belt that has come off a pulley (change the belt). Check for a broken or missing idler spring and replace it if necessary. Also, verify that the hydraulic oil level is adequate and not too hot; add hydraulic oil to the reservoirs or allow it to cool down.

Toro 74855 Specifications

General

Brand	Toro
Model	74855
Category	Lawn Mower
Type	Walk-Behind
Power Source	Gasoline
Drive System	Rear-Wheel Drive
Start Type	Recoil
Number of Blades	1
Mulching Capability	Yes
Bagging Capability	Yes
Side Discharge	Yes
Deck Material	Steel
Engine	Briggs & Stratton
Cutting Width	22 in
Fuel Tank Capacity	0.25 gal
Oil Capacity	20 oz
Cutting Height	1 - 4 in