SENIX 20" 125cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower | Lawn Mowers | SENIX Tools
SENIX 20" 125cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower | Lawn Mowers | SENIX Tools
SENIX 20" 125cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower | Lawn Mowers | SENIX Tools
SENIX 20" 125cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower | Lawn Mowers | SENIX Tools
SENIX 20" 125cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower | Lawn Mowers | SENIX Tools
SENIX 20" 125cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower | Lawn Mowers | SENIX Tools
SENIX 20" 125cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower | Lawn Mowers | SENIX Tools
SENIX 20" 125cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower | Lawn Mowers | SENIX Tools
SENIX 21" 140cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower w | Lawn Mowers | SENIX 21" 140cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower | SENIX Tools
SENIX 20" 125cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower | Lawn Mowers | SENIX Tools

SENIX 20" 125cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower with Side Discharge

SKU: LSPG-L3
$219.99
$279.99
$219.99

BRIGGS & STRATTON 125CC E450 GAS ENGINE — Delivers dependable, fuel-efficient performance with Prime 'n Pull™ for fast, hassle-free starts.

20-INCH CUTTING WIDTH — Ideal for small to medium lawns, offering efficient mowing coverage with fewer passes.

SIDE DISCHARGE CUTTING SYSTEM — Quickly clears clippings to the side for fast mowing, especially in tall or thick grass.

5-POSITION HEIGHT ADJUSTMENT — Easily set your preferred cutting height from 1.25" to 3.75" with 4-point deck adjustment.

DURABLE STEEL DECK — Rugged steel construction resists rust and wear for long-term reliability.

COMPACT & COMFORTABLE DESIGN — Lightweight frame with 7-inch wheels for smooth maneuvering and ergonomic handle for all-day comfort.

FOLDING HANDLE FOR STORAGE — Collapses easily for space-saving vertical storage in garages or sheds.

2-YEAR LIMITED WARRANTY — Backed by reliable support for added confidence.

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SENIX 20" 125cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower | Lawn Mowers | SENIX Tools

SENIX 20" 125cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower with Side Discharge

$279.99 $219.99

SENIX 20" 125cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower with Side Discharge

$279.99 $219.99

Product Overview

Tight on space? Not on performance. The SENIX 20-inch Gas Push Lawn Mower (LSPG-L3) is built for small lawns and narrow spaces where every inch counts. Powered by a durable 125cc Briggs & Stratton 4-cycle engine, this compact walk-behind mower delivers reliable starts, smooth performance, and zero-hassle operation — no oil-gas mixing, low emissions, and quiet operation. The 20-inch steel deck offers just the right cutting width for maneuverability in tight areas while maximizing efficiency. With a side discharge chute that evenly disperses clippings and a Prime N’ Pull start system that fires up fast, you’ll be mowing in minutes. Adjust your cutting height with ease using the 5-position lever (1.25" to 3.75"), and glide across your lawn with 7-inch wheels designed for smooth control on flat or slightly uneven terrain. When the job's done, the fold-down handle and lightweight frame make this mower easy to store in sheds, garages, or tight corners. The SENIX 20" lawn mower isn’t here to impress your neighbors — it’s here to outwork their overpriced toys. Nimble, efficient, and built for the backyard warrior who just wants to get it done right.

Additional Info

20-Inch Cutting

20-Inch Cutting

The 20-inch cutting width covers more ground quickly, making it perfect for small to medium-sized lawns. The durable steel deck ensures long-lasting performance, while the fold-down handle allows for easy, space-saving storage.

Powerful 125cc 4-Cycle Engine

Powerful 125cc 4-Cycle Engine

Powered by a 125cc Briggs & Stratton 4-Cycle E450 engine, this mower offers reliable, consistent power. The Prime n Pull start system ensures quick, effortless starts every time.

Precise Height Adjustment

Precise Height Adjustment

With a 5-position, 4-point single-wheel height adjustment, you can easily customize the cutting height from 1.25” to 3.75” to suit your lawn’s specific needs.

Ergonomic Comfort for Extended Use

Ergonomic Comfort for Extended Use

The ergonomic handle design provides added comfort, reducing strain during longer mowing sessions. Enjoy a more comfortable experience with every use.

1*20-Inch 125cc Gas Powered Push Lawn Mower

1*20-Inch 125cc Gas Powered Push Lawn Mower

Specs

Power Gas
Engine Brand Briggs & Stratton
Engine Type 125cc 4-Cycle (B&S E450)
Drive Type Push
Mowing Functions Side Discharge
Cutting Width True 20" Blade Length
No-Load Speed 3,100 RPM
Cutting Height 1.25" - 3.75"
Height Positions 5
Wheel Size 7"
Deck Material Steel
Size (D*W*H) 27.6" X 22.6" X 14.6"
Weight 43.0 lbs
Certification SGS
Warranty 2 Years

Reviews

User Manual & Parts

User Manual:

Download Now

Product Support

Warranty:

2 Year Limited

Support:

If you have a question about your product, reach out to our SENIX support team. We will follow up with you via your preferred contact method within 24-48 hours.

Phone: +1.800.261.3981

Hours: Mon - Fri, 9am - 5pm EST

Email: senix.support@yatusa.com

*Expect a response within 24-48 hours

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