Simple. Tough. Gets the job done. Take control of your yard with the SENIX 21-inch Push Lawn Mower, powered by a 140cc Briggs & Stratton 4-stroke engine that delivers clean, consistent performance without the gas-oil headache. This walk-behind gas mower is built for efficiency — featuring a rugged 21-inch steel deck and 3-in-1 cutting system that lets you mulch, rear bag, or side discharge on your terms. Prime N’ Pull™ start gets you going with minimal effort, and the 6-position dual-lever height adjustment (1.25" to 3.75") means you can dial in the perfect cut for any season. Oversized 11-inch rear wheels tackle bumps and uneven ground without a fight, and the fold-down handle makes storage quick and compact when you're done. This mower doesn’t overpromise — it overdelivers. The LSPG-M7 is a dependable backyard companion that keeps your lawn in shape and your weekend headache-free.

Features

POWERFUL BRIGGS & STRATTON E550 GAS ENGINE — Delivers reliable, fuel-efficient performance with Prime 'n Pull™ start for easy ignition.
3-IN-1 CUTTING SYSTEM — Switch effortlessly between mulching, bagging, or side discharge to suit your lawn care needs.
21-INCH STEEL CUTTING DECK — Durable and rust-resistant, ideal for small to medium-sized lawns.
6-POSITION HEIGHT ADJUSTMENT — Dual-lever system allows cutting height customization from 1.25" to 3.75".
LARGE 16-GALLON REAR BAG — Holds 50% more clippings than standard bags, reducing the need for frequent emptying.
ERGONOMIC HANDLE DESIGN — 20% lower vibration and comfort grip reduce arm fatigue for a more comfortable mowing experience.
FOLD-DOWN HANDLE FOR COMPACT STORAGE — Easy to store in tight spaces, saving valuable garage or shed room.

Specs

Power	Gas
Engine Type	140cc 4-Cycle (B&S E550)
Mowing Functions	3-in-1: Mulching, Bagging, Side Discharge
Grass Bag Capacity	16 gal.
Cutting Height	1.25" - 3.75"
Height Positions	6
Deck Material	Steel
Recommended For	Up to 1 Acre
Product Height	15.9"
Product Width	22.7"

Engine Brand	Briggs & Stratton
Drive Type	Push
Cutting Width	21"
Horsepower	3 hp
Wheel Size (Front/Rear)	8" / 11"
Recommended Oil Type	SAE 30
Start Type	Recoil
Fuel Tank Capacity	27.05 oz
Product Length	32.8"
Weight	54 lbs

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SENIX 21-In 140cc 4-Cycle Briggs & Stratton Engine Gas Push Lawn Mower

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