How to Adjust the Cutting Height on A Push Mower?

16 minutes read

To adjust the cutting height on a push mower, follow these steps:

  1. Locate the height adjustment mechanism: On most push mowers, the height adjustment mechanism is typically found near each wheel. It may consist of a lever, a knob, or a combination of both.
  2. Inspect the cutting height options: Look for markings or numbers on or near the height adjustment mechanism that indicate the different cutting height options available. These options can vary depending on the specific model of the mower.
  3. Determine your desired cutting height: Consider the type of grass in your lawn and your personal preferences for grass length. If you're unsure, start with a higher cutting height and make adjustments as necessary.
  4. Adjust the cutting height: To lower the cutting height, push the lever or turn the knob in the appropriate direction (usually counterclockwise). To raise the cutting height, do the opposite (usually clockwise). Keep track of the position of the lever or knob so you can easily return to your preferred setting in the future.
  5. Check the cutting height: After making the adjustment, inspect the cutting blade to ensure it is at your desired height. You may need to manually raise or lower the mower to get a clear view of the blade. If the cutting height isn't as desired, modify the adjustment until you achieve the desired result.
  6. Repeat the process: If your push mower has multiple wheels, repeat the adjustment process for each wheel to ensure an even cutting height across the entire cutting width of the mower.


Important Tips:

  • Avoid cutting more than one-third of the grass blade's height at a time to maintain the health of your lawn.
  • Regularly clean or sharpen your mower blades to ensure a clean cut and minimize damage to the grass.
  • Consult your push mower's user manual for any specific instructions or safety precautions related to adjusting the cutting height on your particular model.

Best Push Lawn Mowers of 2024

1
YARDMAX 21 in. 170cc 2-in-1 Gas Walk Behind Push Lawn Mower with High Rear Wheels

Rating is 5 out of 5

YARDMAX 21 in. 170cc 2-in-1 Gas Walk Behind Push Lawn Mower with High Rear Wheels

  • Single-lever deck adjustment for quickly setting your mow height
  • MAXFlow Deck Technology – volute spiral deck design for better airflow and mulching
  • Heavy-duty, 16-gauge stamped steel deck
  • Durable, one-piece seamless steel deck reduces vibration
  • Seven cutting heights from 1.25″ to 3.75″
  • Double-ball-bearing wheels for easy, smooth mowing with less pushing effort
  • Adjustable, durable 3-position handle height
  • Folds for space-saving storage
  • 7 in. front and 11 in. rear wheels for stability and control
2
PowerSmart Gas Lawn Mower 21 Inch 2-in-1 with 144CC 4-Stroke Engine, Push Mower Gas Powered DB2321CR

Rating is 4.9 out of 5

PowerSmart Gas Lawn Mower 21 Inch 2-in-1 with 144CC 4-Stroke Engine, Push Mower Gas Powered DB2321CR

  • 144CC OHV ENGINE: reliable engine, recoil starter for easy start, forced air cooling system continuously deliver unbeatable grass cutting effect.
  • 21 INCH CUTTING DECK: patented cutting system with 21 inch cutting deck, wider mowing path helps you trim sizable yard fast.
  • 2-IN-1 PUSH MOWER: side-discharge easily pass thick grasses for quickest mowing, mulching lawn mower minces grass into super-fine bits for recycle.
  • GRASS HEIGHT ADJUSTABLE: 6 positions for adjust cutting height from 1.5" to 3.9", suitable for all kinds of grasses.
3
BILT HARD Gas Lawn Mower 20 inch, 2 in 1 170cc 4-Stroke OHV Engine Cordless Lawnmower, 8 Adjustable Cutting Heights Push Mowers for Lawn, Yard and Garden

Rating is 4.8 out of 5

BILT HARD Gas Lawn Mower 20 inch, 2 in 1 170cc 4-Stroke OHV Engine Cordless Lawnmower, 8 Adjustable Cutting Heights Push Mowers for Lawn, Yard and Garden

  • Auto Choke Engine - 170cc 4-stroke OHV engine, 6.5 ft.lb torque, 20 inch cutting deck.
  • Cutting Height - 8-position single lever four-wheel synchronized height adjustment from 1.2" to 3.2".
  • Mowing Convenience - 7" rear/6“ front double ball-bearing wheels achieve smooth movement, comfortable foam-wrapped angled grip eliminates grasp fatigue.
  • Durable Cutting Deck: 20" cutting deck and specialized blade delivering a clean, even cut. Enjoy years of high efficient mowing with superior cutting quality
4
Greenworks 40V 16" Cordless (Push) Lawn Mower (75+ Compatible Tools), 4.0Ah Battery and Charger Included

Rating is 4.7 out of 5

Greenworks 40V 16" Cordless (Push) Lawn Mower (75+ Compatible Tools), 4.0Ah Battery and Charger Included

  • CORDLESS LAWN MOWER – Get more done, faster, with Greenworks electric lawn mowers. This 40v push lawn mower provides the power you need with up to 45 minutes of runtime on a fully charged 4.0Ah battery. The battery completely charges in 120 minutes.Brushless motor : No
  • LIGHTWEIGHT, EASY TO USE – A lightweight 16” cutting deck allows for easy maneuvering through small to medium yards (up to ½ acre) more efficiently. Easy push button start and lighter weight make it a great choice for your lawn.
  • VERSATILE – Battery powered lawn mower has a single lever 5-position height adjustment with a cutting height range from 1-1/4" to 3-3/8" for the best cut in all environments. The 2-in-1 feature offers versatile use with mulching and rear bagging options.
  • MAINTENANCE FREE – This walk behind lawn mower is virtually maintenance free, with no gas, no oil and no emissions. It starts instantly and is quiet but delivers gas-like power for your toughest projects.
5
Yard Machines 11A-02BT729 20-in Push Lawn Mower with 125cc Briggs & Stratton Gas Powered Engine, Black and Red

Rating is 4.6 out of 5

Yard Machines 11A-02BT729 20-in Push Lawn Mower with 125cc Briggs & Stratton Gas Powered Engine, Black and Red

  • A 125cc OHV Briggs & Stratton engine delivers reliable power to quickly tackle your yard
  • Push mower ideal for small yards with minimal obstacles
  • 20-in. deck with side discharge to efficiantly spread grass clippings
  • 7-in wheels provide reliable traction to navigate your yard
  • Choose from 3 cutting heights
6
BLACK+DECKER Electric Lawn Mower, 10-Amp, Corded (BEMW472BH)

Rating is 4.5 out of 5

BLACK+DECKER Electric Lawn Mower, 10-Amp, Corded (BEMW472BH)

  • Lightweight corded electric mower gasless 10 Amp 15 inch electric mower for powering through rough grass.Ideal for 1/8 acre.Voltage : 120 V. Product Application : Cleaning.
  • Comfort grip bike handlebar design reduces friction and enhances maneuverability for small lawns
  • Enhanced clipping collection winged blade yields 30% better clipping collection
  • Push button start no-hassle startup easy-to- use features
  • Adjustable cutting height 6 adjustable cutting heights ranging from 1 inch to 3 inch
7
CRAFTSMAN Gas Powered Lawn Mower, 21-inch Push Mower, 140cc (M105)

Rating is 4.4 out of 5

CRAFTSMAN Gas Powered Lawn Mower, 21-inch Push Mower, 140cc (M105)

  • POWERFUL ENGINE: 140cc BRIGGS & STRATTON engine with auto-choke
  • MOWING CONVENIENCE: 21 in., 3-in-1 convertible deck lets you side discharge, mulch, or rear bag grass clippings
  • CLIPPING COLLECTION: Rear bag collects grass clippings for easy cleanup or composting
  • HEIGHT ADJUSTMENT: Dual-lever, 6-position height adjustment makes it easy to change cutting heights from 1.25 in. to 3.75 in. high
  • COMFORT: Adjustable loop handle for comfort while mowing. MULCH KIT: Included to help put nutrients back into soil for a healthy lawn
8
BLACK+DECKER 3-in-1 String Trimmer/Edger & Lawn Mower, 6.5-Amp, 12-Inch, Corded (MTE912) (Power cord not included), Black/Red

Rating is 4.3 out of 5

BLACK+DECKER 3-in-1 String Trimmer/Edger & Lawn Mower, 6.5-Amp, 12-Inch, Corded (MTE912) (Power cord not included), Black/Red

  • 3N1 DESIGN – Electric mower easily converts to string trimmer and edger via a built-in foot pedal for versatile use.
  • 6.5 AMP MOTOR – Supplies the ideal amount of power when trimming grass, weeds, and overgrowth.
  • GEAR DRIVE TRANSMISSION – For tackling tougher, thicker grass without getting bogged down.
  • AFS AUTOMATIC FEED SPOOL – Continuously feeds trimmer line without bumping for seamless, uninterrupted trimming.
  • ADJUSTABLE MOWER DECK AND TRIMMER HANDLE – Lawn mower deck and string trimmer handle are adjustable for ideal grass- cutting height and added comfort.
  • CORDED – Corded design offers unlimited runtime for even the biggest jobs.
  • INCLUDES – (1)GH912 trimmer/edger, (1) MTD100 detachable mower deck, (1) AF-100 spool, (1) auxiliary handle, (1) guard.
  • Note: Item requires power cord. Power cord not included


What are the common mistakes people make when adjusting the cutting height on a push mower?

Some common mistakes people make when adjusting the cutting height on a push mower include:

  1. Not reading the instruction manual: Many people often skip reading the instruction manual that comes with the mower. This leads to improper adjustments and potential damage to the mower.
  2. Incorrect measurement: People may not accurately measure the current cutting height or the desired cutting height. This can result in uneven cutting or cutting the grass too short or too long.
  3. Not adjusting all wheels equally: Push mowers typically have individual height adjustment mechanisms for each wheel. Failing to adjust all wheels equally can lead to an uneven cut, making the lawn look lopsided.
  4. Adjusting the height too low at once: Some people may try to cut the grass shorter than what the mower is capable of handling. This can strain the engine, bog down the mower, or result in uneven cutting.
  5. Adjusting the height with the mower running: It is essential to turn off the mower and wait for the blades to come to a complete stop before adjusting the cutting height. Failing to do so can lead to accidents and possible injury.
  6. Neglecting to clean debris: People often forget to clear out any debris or grass clippings from underneath the mower deck before adjusting the cutting height. This can interfere with the height adjustment mechanism or lead to clogging.
  7. Ignoring maintenance and blade sharpening: Neglecting regular maintenance, including blade sharpening, can affect the quality of the cut, irrespective of the height adjustment. It is vital to ensure the blades are sharp and in good condition to achieve a clean and even cut.


To avoid these mistakes, it is advisable to carefully read the instruction manual, measure the cutting height accurately, adjust all wheels equally, follow the manufacturer's guidelines, turn off the mower before adjustments, clean debris regularly, and maintain the mower and blades properly.


What precautions should I take before adjusting the cutting height on a push mower?

Before adjusting the cutting height on a push mower, it is important to take certain precautions to ensure safety and maintain the overall health of the lawn. Here are some precautions to take:

  1. Prior to making any adjustments, make sure the engine of the mower is switched off and cool. Disconnect the spark plug or turn off the ignition to prevent accidental starting.
  2. Wear appropriate personal protective equipment such as gloves and safety glasses to protect your hands and eyes during the process.
  3. Identify the desired cutting height for your lawn. Different grass types have different optimal cutting heights, so consult a local gardening or lawn care expert if you are unsure about the appropriate height for your specific grass type.
  4. Ensure that the lawn is dry before adjusting the cutting height. Cutting wet grass can result in an uneven cut and can damage the lawn due to tearing or clumping.
  5. Clean the mower deck and blades from any debris, grass clippings, or obstructions before making any adjustments. This will prevent clogging and ensure a cleaner cut.
  6. Check the owner's manual of your specific mower model to understand the proper method of adjusting the cutting height. Different mowers have different mechanisms for adjusting the cutting height, so follow the manufacturer's instructions carefully.
  7. Adjust the cutting height by raising or lowering the mower deck. Most push mowers have a lever or a set of adjustment points that allow you to modify the cutting height. Make the adjustments in small increments to avoid scalping the lawn or causing stress to the grass.
  8. After adjusting the cutting height, inspect the mower blades to ensure they are in good condition and properly installed. Dull or damaged blades can affect the quality of the cut and may need to be sharpened or replaced.


Following these precautions will not only help maintain the health of your lawn but also ensure your safety while making adjustments to the cutting height on a push mower.


What is a push mower?

A push mower is a type of lawn mower that is manually operated by pushing it forward. It typically consists of a blade reel that rotates as the mower is pushed, cutting the grass in the process. Push mowers are generally powered by the user's physical effort and do not require any fuel or electricity to operate. They are quieter and more environmentally friendly compared to gas-powered or electric mowers, but they require more physical exertion from the user.

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