Bolens 140-cc 21-in Push Gas Lawn Mower Review


The Bolens 140-cc 21-in Push Gas Lawn Mower is a popular choice among homeowners seeking an efficient and reliable tool for maintaining their lawns. In this review, we will explore the key features, performance, and overall user experience of this lawn mower.


The Bolens 140cc 21-in Push Gas Lawn Mower offers a powerful and convenient solution for maintaining your lawn. This compact mower is designed for homeowners with smaller to medium-sized yards who prioritize both performance and ease of use.

Specifications of Bolens 140-cc 21-in Push Gas Lawn Mower

  • Engine: 140cc Briggs & Stratton engine
  • Cutting width: 21 inches
  • Cutting height: 6 positions (1.5 to 3.75 inches)
  • Start type: Pull start
  • Deck material: Steel
  • Wheels: 11-inch rear wheels, 7-inch front wheels
  • Weight: 64 pounds

The Bolens 140-cc 21-in Push Gas Lawn Mower is a self-propelled lawn mower that is powered by a 140cc Briggs & Stratton engine. It has a 21-inch cutting deck and can cut grass at six different heights, from 1.5 to 3.75 inches. The lawn mower also features a mulching kit, which can be used to return grass clippings to the lawn as fertilizer

The Bolens 140-cc 21-in Push Gas Lawn Mower is a great option for homeowners who are looking for a no-frills, easy-to-use lawn mower. It is powerful, durable, and versatile, and it comes at an affordable price. If you are looking for a self-propelled lawn mower or a lawn mower that is easy to start in cold weather, you may want to consider another model.

Key Features

Equipped with a powerful 140-cc gas engine, the Bolens mower boasts a 21-inch cutting deck, making it suitable for both small and medium-sized lawns. The push design offers ease of maneuverability, allowing users to navigate through tight spaces with minimal effort. Additionally, the mower incorporates various cutting height adjustments, providing flexibility to achieve the desired grass length.


Users commend the Bolens 140-cc 21-in Push Gas Lawn Mower for its robust performance. The 140-cc engine delivers ample power to tackle thick grass and uneven terrain. The 21-inch cutting deck ensures a wide swath with each pass, contributing to efficient mowing. The adjustable cutting height feature enables users to customize the lawn height, catering to individual preferences.

Ease of Use

Designed with user convenience in mind, the Bolens 140-cc 21-in Push Gas Lawn Mower is praised for its ease of use. The push-start mechanism simplifies the starting process, eliminating the need for manual pulling. The ergonomic handle design enhances comfort during operation, reducing fatigue for extended mowing sessions. The compact size and foldable handle contribute to convenient storage when the mower is not in use.


Maintenance is a crucial aspect of any lawn mower, and the Bolens 140-cc 21-in Push Gas Lawn Mower model is recognized for its straightforward upkeep. Regular maintenance tasks, such as oil changes and air filter replacements, are easily manageable, contributing to the mower’s longevity.

Bolens 140-cc 21-in Push Gas Lawn Mower Pros and Cons


  • Powerful engine: The 140cc Briggs & Stratton engine provides enough power to tackle most lawns, even with tall or thick grass.
  • Durable construction: The steel deck and solid construction are built to last, making it a good investment for years to come.
  • Adjustable cutting height: With six cutting height adjustments, you can find the perfect level for your lawn type and desired look.
  • Mulching kit included: This environmentally friendly feature helps return nutrients to your soil and save you time on bagging clippings.
  • Lightweight and maneuverable: Pushing this mower is a breeze thanks to its lightweight design and comfortable handles.
  • Affordable: Compared to other gas lawn mowers in its class, the Bolens 140 offers good value for the price.


  • No self-propulsion: You’ll be doing the pushing yourself, which can be tiring for larger lawns or hilly terrain.
  • Difficult to start in cold weather: The engine may require a few extra pulls to get going on chilly mornings.
  • No bagging attachment included: While mulching is great, you’ll need to purchase the bagging attachment separately if you prefer to collect clippings.
  • Limited cutting width: At 21 inches, the cutting width might not be ideal for very large lawns, requiring more back-and-forth passes.
  • Lacks some bells and whistles: Compared to premium models, you won’t find features like electric start or headlights on this mower.

Comparison table with other model

FeatureBolens 140Craftsman M100
Engine140cc Briggs & Stratton140cc Briggs & Stratton
Cutting Deck21-inch steel21-inch steel
Cutting Height Adjustments66
Start MethodPull-startPush-button electric
Discharge OptionsMulching, side discharge3-in-1: Mulching, bagging, side discharge
Weight52 lbs58 lbs
Warranty2 years2 years

Specification of Craftsman M100 140cc 21-in Gas Push Lawn Mower

  • Engine: 140cc Briggs & Stratton (reliable power)
  • Cutting Deck: 21-inch steel (perfect for small/medium yards) Cutting Height: 6 adjustments (precise cut control)
  • Push-button electric start (no pulling!)
  • Adjustable handle (comfortable for all heights)
  • 3-in-1 discharge (mulching, bagging, side discharge)
  • Lightweight & maneuverable
  • Weight: 58 lbs
  • Warranty: 2 years
  • Price: $170-$220

When comparing the Bolens 140 and the Craftsman M100 lawn mowers, several similarities and differences are evident. Both models are equipped with a 140cc Briggs & Stratton engine, ensuring reliable performance. They also share a 21-inch steel cutting deck, which is standard for efficient mowing. The cutting height can be adjusted on both, with six different settings available, providing versatility for various lawn conditions. However, the starting mechanisms differ; the Bolens 140 requires a pull-start, whereas the Craftsman M100 features a more convenient push-button electric start. In terms of handling, both mowers offer adjustable settings to suit different user preferences.


In conclusion, the Bolens 140-cc 21-in Push Gas Lawn Mower stands out as a reliable and efficient tool for homeowners seeking a hassle-free solution to lawn maintenance. With its powerful engine, user-friendly design, and positive customer feedback, it proves to be a worthy investment for those in need of a dependable push gas mower. Overall, the Bolens 140-cc 21-in Push Gas Lawn Mower is a good option for small to medium-sized lawns. It is easy to use and maneuver, and it cuts grass well. However, it is important to note that the engine can be difficult to start. A solid choice for homeowners with small to medium-sized yards who are looking for a reliable and affordable option. It’s not the fanciest mower on the market, but it gets the job done without breaking the bank.

Frequently Asked Questions (FAQs)

  1. What type of fuel does the mower use?
    Most gas-powered lawn mowers use regular unleaded gasoline with a minimum octane rating specified in the user manual.
  2. What is the cutting height range of the Bolens 140-cc mower?
    The cutting height is typically adjustable and can be set using a lever or knob. Refer to the user manual for specific details on the cutting height range and adjustment.
  3. Can I use the lawn mower on uneven terrain?
    While lawn mowers are designed for use on relatively flat surfaces, many can handle some degree of uneven terrain. Exercise caution and refer to the user manual for guidance on the mower’s capabilities.
  4. How do I adjust the cutting height on the Bolens 140-cc mower?
    Usually, there is a lever or a set of adjustment points on each wheel to change the cutting height. Consult the user manual for precise instructions.
  5. What is the bagging capacity of the grass catcher?
    The bagging capacity is specified by the manufacturer and can be found in the user manual. It’s typically measured in bushels or liters.
  6. Is the lawn mower self-propelled or does it require manual pushing?
    This depends on the specific model. Some mowers are self-propelled, while others require manual pushing. Check the user manual or inspect the mower for a self-propulsion system.
  7. How often should I sharpen the mower blade?
    Sharpen the mower blade at least once a season or more frequently if you notice a decrease in cutting performance. A sharp blade ensures a clean cut and promotes a healthier lawn.
  8. Can I use the Bolens mower for mulching?
    Many lawn mowers are equipped for mulching. This typically involves inserting a mulching plug and using a specific mulching blade. Check the user manual to confirm if your mower supports mulching.
  9. What maintenance tasks are recommended for the Bolens 140-cc lawn mower?
    Common maintenance tasks include checking and changing the oil, air filter, and spark plug regularly. Inspect the blade for sharpness and wear, clean the underside of the mower deck, and lubricate moving parts as recommended in the user manual.
Kristine Moore
Kristine Moore
Forestry Author

I'm Kristine Moore, a seasoned garden landscaping professional with over 30 years of experience. My extensive career has been dedicated to transforming outdoor spaces into stunning, sustainable landscapes. With a deep understanding of horticulture, design principles, and environmental stewardship, I have become a respected figure in the field, known for creating harmonious, visually appealing, and eco-friendly gardens. My commitment to excellence and continuous learning in landscaping trends and techniques has solidified my reputation as an expert in garden design and implementation.


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