Greenworks 25022

Greenworks 12 Amp 20-Inch Corded Electric Lawn Mower

Model: 25022

1. Safety Information

Always read and understand the entire instruction manual before operating the lawn mower. Failure to follow instructions can result in serious injury.

  • Cord Management: Exercise caution with the extension cord. Always be aware of the cord's position to prevent accidental cutting or tripping. Use a brightly colored cord for better visibility.
  • Safety Lever: The mower is equipped with a safety lever on the handle. The motor will only operate when this lever is held down. Releasing the lever will immediately stop the motor and blade.
  • Blade Safety: Ensure the blade is completely stopped before performing any maintenance, cleaning, or adjustments. Always wear heavy-duty gloves when handling the blade.
  • Clear Work Area: Before mowing, clear the area of any objects such as rocks, sticks, wires, or debris that could be thrown by the blade.
  • Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

2. Setup

2.1 Assembly

The Greenworks 25022 lawn mower requires minimal assembly. Typically, only the handle needs to be affixed to the main unit. No specialized tools are required for this process.

2.2 Extension Cord Requirement

For optimal performance, use a 14 gauge 50' or 12 gauge 100' extension cord. The extension cord is not included with the mower. Ensure the cord is rated for outdoor use and is in good condition.

Greenworks 20-Inch Corded Electric Lawn Mower with grass catcher bag

Figure 1: Greenworks 20-Inch Corded Electric Lawn Mower, Model 25022.

3. Operating Instructions

3.1 Starting the Mower

  1. Connect the appropriate extension cord to the mower's power inlet and a suitable outdoor power outlet. Utilize the integrated cord lock to prevent accidental disconnects.
  2. Press and hold the push-button start.
  3. While holding the push-button, pull the safety lever towards the handle. The mower will start.
  4. Release the push-button, but continue to hold the safety lever to keep the mower running.
Close-up of the Greenworks lawn mower's handle with the cord restraint system

Figure 2: The cord restraint system helps secure the extension cord during operation.

3.2 Adjusting Cutting Height

The mower features a single-lever 7-position height adjustment mechanism. This allows you to easily change the cutting height from 1.5 inches up to 3.75 inches to achieve your desired lawn appearance.

Close-up of the 7-position single lever height adjustment on the Greenworks lawn mower

Figure 3: Adjust the cutting height using the single lever for precise lawn trimming.

3.3 Mowing Options (3-in-1 System)

This mower offers versatile 3-in-1 mowing capabilities:

  • Mulching: Finely cuts grass clippings and redistributes them back onto the lawn as natural fertilizer.
  • Rear Bagging: Collects grass clippings in the attached rear bag for easy disposal.
  • Side Discharge: Disperses grass clippings out of the side of the mower.
Diagram illustrating the 3-in-1 mowing capabilities: side discharge, rear bag, and mulching

Figure 4: The 3-in-1 system provides flexibility for managing grass clippings.

4. Maintenance

Regular maintenance ensures the longevity and optimal performance of your Greenworks lawn mower.

  • Cleaning the Deck: After each use, disconnect the power cord and carefully tip the mower to clean the underside of the cutting deck. Remove any accumulated grass clippings to prevent buildup and ensure efficient cutting.
  • Blade Care: Periodically inspect the blade for sharpness and damage. A sharp blade ensures a clean cut and reduces strain on the motor. Replace or sharpen the blade as needed. Refer to the detailed instructions in the full product manual for blade removal and installation.
  • Motor Compartment: Regularly check and clean the motor compartment to prevent grass and debris accumulation, which can affect performance and lead to overheating.
Underside of the Greenworks lawn mower showing the blade and cutting deck

Figure 5: Inspect and clean the cutting blade and deck regularly for best results.

5. Storage

The Greenworks 25022 features cam lock handles for easy folding and compact storage. After cleaning the mower, fold the handles down to minimize space requirements.

Greenworks lawn mower with handles folded for compact storage

Figure 6: Foldable handles allow for convenient and compact storage.

6. Specifications

FeatureDetail
BrandGreenworks
Model Number25022
Power SourceCorded Electric (12 Amp)
Cutting Width20 Inches
Cutting Height Positions7 (1.5 to 3.75 Inches)
Mowing Capabilities3-in-1 (Mulching, Rear Bagging, Side Discharge)
Deck MaterialAlloy Steel
Item Weight56 Pounds
Product Dimensions26.9"D x 16.1"W x 18"H
UPC841821002862

7. Warranty & Support

The Greenworks 25022 Corded Electric Lawn Mower comes with a 2-year manufacturer's warranty.

For customer support, please visit the Greenworks Store on Amazon or refer to the contact information provided in your product packaging.

© 2026 Greenworks. All rights reserved.

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