Best Lawn Mowers with Briggs: 5 Spec-Based Picks

Quick picks

The best fit for you

• You want the most compact model on the list PowerSmart 21-Inch 140cc Gas Push Mower Its folded dimensions of 16.5 x 22.6 x 32.9 inches make it the smallest unit.
• You need a durable self-propelled mower for large yards PowerSmart 21" Steel Deck Gas Mower It features a 140cc Briggs engine and a steel deck for heavy-duty self-propelled use.
• You prefer a lightweight push mower for small spaces SENIX 20-Inch 125cc Gas Push Lawn Mower At 49 pounds, it is the lightest Briggs mower, making it easy to maneuver.
• You want the best overall Briggs push mower PowerSmart 21-Inch 125cc Gas Push Mower This 21-inch model balances a 125cc engine with manageable 56.4-pound weight for flat lawns.

Our 5 picks

1 Best overall

PowerSmart 21-Inch 125cc Gas Push Mower

Best for: Small to medium flat lawns

Engine Brand

Briggs (what this guide is about)

Power Source

Gas

Cutting Width

21 in

Drive Type

Push

Deck Material

Steel

Cutting Height

1.5-3.9 in, 6 positions

View on Amazon: PowerSmart 21-Inch 125cc Gas Push Mower Affiliate link

This PowerSmart push mower features a 21-inch steel deck and a 125cc Briggs & Stratton E300 engine. It offers a 2-in-1 mulching and side-discharge function. The dual-lever height adjustment provides six positions from 1.5 to 3.9 inches. The unit weighs 56.4 pounds and folds for storage. It suits users seeking a reliable, no-frills gas mower for standard residential lawns.

Pros

• 125cc Briggs & Stratton E300 engine
• 21-inch cutting path
• Foldable design saves storage space
• Tool-free assembly

Cons

• Push drive type requires physical effort
• No self-propulsion mechanism
• Limited to 6 height positions

Good fit if

• You need a lightweight push mower
• You want easy tool-free setup
• You prefer mulching or side discharge

Skip if

• You require self-propelled wheels
• You need a 3-in-1 bagging system
• You prefer a 140cc engine

Verdict: PowerSmart 21" Push Mower 125cc Briggs fits homeowners with flat yards who value simple assembly and compact storage over self-propulsion. It delivers consistent cuts without the weight of heavier self-propelled models.

2 Best premium

PowerSmart 21-Inch 140cc Gas Push Mower

Best for: Flat yards needing a wider 21-inch cut

Engine Brand

Briggs (what this guide is about)

Power Source

Gas, 140cc 4-stroke

Cutting Width

21 in

Drive Type

Push

Deck Material

Steel

Cutting Height

1.5-3.9 in, 6 positions

View on Amazon: PowerSmart 21-Inch 140cc Gas Push Mower Affiliate link

This PowerSmart push mower uses a 140cc Briggs & Stratton engine. It features a 21-inch steel deck and offers 3-in-1 mowing. You get six height settings from 1.5 to 3.9 inches. The design is built for durability. It suits yards where you prefer manual pushing over self-propulsion. The wider deck helps you cover ground efficiently.

Pros

• 140cc Briggs & Stratton 4-stroke engine
• 21-inch steel cutting deck
• 6 height adjustments (1.5 to 3.9 inches)
• 3-in-1 side discharge, bagging, and mulching

Cons

• Push drive type requires manual effort
• Larger overall dimensions than 20-inch models
• No self-propelled mechanism included

Good fit if

• You want a wider 21-inch cutting deck
• You prefer a durable steel deck
• You do not mind pushing the mower

Skip if

• You need self-propelled convenience
• You have a very steep lawn
• You prefer a lighter, smaller footprint

Verdict: PowerSmart 21 in Push Mower fits users who want a wider cut and a robust steel deck. It is ideal for flat yards where you do not mind the physical effort of pushing.

3 Best budget

SENIX 20-Inch 125cc Gas Push Lawn Mower

Best for: small yards needing side discharge

Engine Brand

Briggs (what this guide is about)

Power Source

gas

Cutting Width

20 in

Drive Type

push

Deck Material

steel

Cutting Height

1.25-3.75 in, 5 positions

View on Amazon: SENIX 20-Inch 125cc Gas Push Lawn Mower Affiliate link

The SENIX 20-Inch Gas Mower features a Briggs & Stratton 125 cc 4-cycle E300 engine. It offers a 20-inch steel cutting deck with side discharge. You get five height positions from 1.25 to 3.75 inches. The 49-pound push design includes 7-inch wheels. This model suits small to medium yards where you prefer manual operation and side discharge.

Pros

• Briggs & Stratton 125 cc 4-cycle engine
• 20-inch steel cutting deck
• 5-position height adjustment (1.25-3.75 inches)
• Fold-down handle for storage
• Includes engine oil

Cons

• Push design requires manual effort
• Side discharge only, no mulching
• 20-inch deck is narrower than competitors

Good fit if

• You have a small to medium yard
• You prefer side discharge mulching
• You want a Briggs & Stratton engine

Skip if

• You need self-propelled power
• You require mulching or bagging
• You want a wider 21-inch cut

Verdict: SENIX 20-Inch Gas Mower fits users who need a reliable Briggs engine and do not require self-propulsion or a wider cutting path.

4 Also great

SENIX 21-Inch Gas Push Mower

Best for: small to medium lawns needing steel deck durability

Engine Brand

Briggs (what this guide is about)

Power Source

gas

Cutting Width

21 in

Drive Type

push

Deck Material

steel

Cutting Height

1.25-3.75 in, 6 positions

View on Amazon: SENIX 21-Inch Gas Push Mower Affiliate link

The SENIX 21-Inch Gas Push Mower uses a 125 cc Briggs & Stratton 4-cycle engine. It features a durable steel deck with a 21-inch cutting width. You can choose between mulching or side discharge. The 6-position height adjustment ranges from 1.25 to 3.75 inches. This model suits small to medium yards where you prefer a manual push design over self-propelled options.

Pros

• 125 cc Briggs & Stratton 4-cycle engine
• 21-inch steel cutting deck
• 2-in-1 mulching and side discharge capability
• 6-position height adjustment from 1.25 to 3.75 inches

Cons

• Push drive requires more physical effort than self-propelled models
• 125 cc engine is smaller than the 140 cc options on this list
• Only includes side discharge and mulching, lacking bagging

Good fit if

• You have a small to medium lawn
• You prefer a durable steel deck
• You want a simple push mower without self-propulsion

Skip if

• You need a self-propelled drive system
• You require a larger 140 cc engine
• You need a 3-in-1 bagging option

Verdict: SENIX 21-Inch Gas Push Mower fits users with small to medium lawns who value a steel deck and do not need self-propulsion. Its 125 cc engine provides adequate power for standard cutting tasks.

5 Best self-propelled

PowerSmart 21" Steel Deck Gas Mower

Best for: Large lawns needing durable self-propelled power

Engine Brand

Briggs (what this guide is about)

Power Source

140cc gas

Cutting Width

21 in

Drive Type

self-propelled

Deck Material

steel

Cutting Height

6 positions

View on Amazon: PowerSmart 21" Steel Deck Gas Mower Affiliate link

This PowerSmart mower features a 140cc Briggs & Stratton engine and a 21-inch steel deck. It is self-propelled, which reduces effort on uneven terrain. You get six cutting height positions and 3-in-1 mulching, bagging, and discharge options. The unit weighs 70 pounds and measures 29.5 inches long. It suits larger lawns where durability and ease of movement matter.

Pros

• 140cc Briggs & Stratton EX550 engine
• 21-inch heavy-duty steel deck
• Self-propelled drive system
• 6 adjustable cutting heights
• 3-in-1 mulch, bag, and discharge

Cons

• 70-pound weight adds bulk
• Recoil starter requires manual pull
• No electric start option listed

Good fit if

• You need self-propelled ease for large yards
• You prefer a durable steel deck
• You want 6 cutting height options

Skip if

• You want a lightweight push mower
• You need electric start convenience
• You prefer a plastic deck

Verdict: PowerSmart 21" Self-Propelled Briggs Mower fits users who need a durable, self-propelled machine for larger lawns. The steel deck and 140cc engine provide reliable power for tough conditions.

Specifications side by side

Is a Briggs Engine Worth It for Your Lawn?

Briggs engines appear in every model on this list, from 125cc push mowers to 140cc self-propelled units. You get consistent power for standard cutting tasks without needing to compare different manufacturers. The 125cc size handles small to medium yards well. The 140cc option provides extra strength for larger areas or tougher conditions. You do not need to worry about engine reliability differences here, as the brand is standard across all picks. Your choice depends on deck material and drive type instead.

Worth it if

• You want a reliable engine brand without comparing manufacturers.
• You need 125cc power for flat, small to medium lawns.
• You prefer a 140cc engine for larger or tougher yards.

Skip it if

• You are looking for electric or battery-powered options.
• You require a self-propelled model with a steel deck.
• You need a mulching function for grass clippings.

How We Selected These Picks

We identified these mowers by checking the published specifications on Amazon listings. We looked for the Engine Brand: Briggs in the title or feature list. Only one size or variant from each product family is included. All details come directly from the listing data. We did not physically handle these machines.

The products are ordered by availability first. Next, we used the listing's overall rating weighted by the number of ratings. Finally, we ranked them by how many of our criteria the specs meet. This method ensures you see the most relevant Briggs engine models first, based strictly on the published facts.

Spec-Based Buying Tips for Briggs Mowers

1. Check Drive Type First

   Your yard size determines the drive type you need. Push mowers require physical effort to move. The PowerSmart 21-Inch 125cc model weighs 56.4 pounds. You must push this unit across flat lawns. Self-propelled models move on their own. The PowerSmart 21-Inch Steel Deck weighs 70 pounds but drives itself. Choose self-propulsion for larger areas. Select push models for compact, flat spaces where you prefer manual control and lighter weight.

2. Compare Cutting Widths

   Cutting width affects how many passes you make. Wider decks cover more ground per stroke. The PowerSmart 21-Inch 140cc model has a 22-inch width. The SENIX 20-Inch model offers a 21.7-inch width. The SENIX 21-Inch model provides a 22.7-inch width. Wider cuts reduce mowing time. Narrower cuts offer better maneuverability in tight spaces. Match the width to your yard's openness. You want fewer passes for large, open lawns. You may prefer narrower decks for complex layouts.

3. Review Deck Material

   Deck material impacts durability and weight. Steel decks resist damage from debris. The PowerSmart 21-Inch Steel Deck features a robust steel construction. It weighs 70 pounds. This weight adds stability during operation. Steel decks often cost more and weigh more than plastic alternatives. Check the product description for material details. Steel offers long-term durability for rough terrain. Plastic decks are lighter but may crack over time. Select steel for heavy-duty use and longevity.

4. Verify Engine Displacement

   Engine displacement indicates power output. Higher cubic centimeters mean more torque. The PowerSmart 21-Inch 140cc models provide more power than 125cc units. The 140cc engine handles thicker grass better. The 125cc engines suit standard cutting tasks. Both sizes use Briggs engines. Choose 140cc for tall or dense lawns. Select 125cc for well-maintained, shorter grass. The power difference matters in challenging conditions. Match displacement to your grass height and density.

5. Assess Mowing Function

   Mowing function determines how clippings are handled. Side discharge throws grass to the side. Mulching chops grass into fine pieces. The PowerSmart 21-Inch Steel Deck supports mulching. Other models primarily use side discharge. Mulching returns nutrients to the soil. Side discharge requires bagging or raking. Choose mulching for a cleaner look. Select side discharge for quick clearing. Your preference dictates the necessary function. Check the attributes list for available options.

Frequently asked questions

See also

• best lawn mowers under 150
• best lawn mowers under 200
• best push lawn mowers
• best storage sheds for lawn mowers