SENIX - 21" 140cc 4-Cycle Briggs & Stratton Gas Self-Propelled Lawn Mower with 3-in-1 Bagging, Mulching, Side Discharge - Blue
About this product
Take the hassle out of yard work with the SENIX 21 in. self propelled gas lawn mower, built for homeowners who want reliable power and easy handling. Powered by a trusted 140 CC Briggs and Stratton E550 4 cycle engine, this mower delivers dependable performance, smooth operation, and simple maintenance with no oil and gas mixing required. The front wheel drive single speed self propelled system helps pull the mower forward, reducing push effort and making it easier to maneuver around landscaping, fences, and tight spaces. The durable 21 in. steel deck covers more ground with each pass while maintaining a clean, even cut. The versatile 3 in 1 cutting system allows you to mulch, side discharge, or rear bag clippings using the included 16 gal. bag, giving you flexibility for changing lawn conditions. Quickly adjust cutting height with the 6 position dual lever system from 1.25 in. to 3.75 in. to achieve your preferred lawn finish. Large 11 in. rear wheels paired with 8 in. front wheels improve control across uneven terrain. When finished, the fold down handle enables compact storage. Backed by a 2 year limited warranty, the Senix self propelled mower delivers dependable performance season after season.
Features
Powerful Briggs & Stratton E550 Gas Engine
140 CC 4 cycle gas engine with prime n pull start delivers reliable starting power without oil and gas mixing.
21-Inch Steel Cutting Deck
Wide cutting path helps you finish small to medium yards faster with fewer passes.
3-in-1 Mowing with Front-Wheel Drive Self-Propelled System
Easily switch between mulching, side discharge, or rear bagging to match seasonal lawn care needs, while the FWD single speed drive helps pull the mower forward for easier maneuvering around obstacles and tight spaces.
6-Position Height Adjustment
Dual lever control quickly adjusts cutting height from 1.25 in. to 3.75 in. for a clean, customized cut.
Smooth Rolling Wheel Design
Large 11-inch rear wheels and 8-inch front wheels improve maneuverability across uneven or bumpy terrain.
Specifications
- ColorBluePower SourceFuelSelf-Propelled Drive SystemYesSide DischargeYes
Reviews
Rating 2.5 out of 5 stars with 2 reviews
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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Take the hassle out of yard work with the SENIX 21 in. self propelled gas lawn mower, built for homeowners who want reliable power and easy handling. Powered by a trusted 140 CC Briggs and Stratton E550 4 cycle engine, this mower delivers dependable performance, smooth operation, and simple maintenance with no oil and gas mixing required. The front wheel drive single speed self propelled system helps pull the mower forward, reducing push effort and making it easier to maneuver around landscaping, fences, and tight spaces. The durable 21 in. steel deck covers more ground with each pass while maintaining a clean, even cut. The versatile 3 in 1 cutting system allows you to mulch, side discharge, or rear bag clippings using the included 16 gal. bag, giving you flexibility for changing lawn conditions. Quickly adjust cutting height with the 6 position dual lever system from 1.25 in. to 3.75 in. to achieve your preferred lawn finish. Large 11 in. rear wheels paired with 8 in. front wheels improve control across uneven terrain. When finished, the fold down handle enables compact storage. Backed by a 2 year limited warranty, the Senix self propelled mower delivers dependable performance season after season.

Get the job done with the PowerSmart 22" Gas Self-Propelled Lawn Mower. Suitable for medium-sized yards, it makes it easy to get any lawn cut to just the right length. This reliable lawnmower features a pull-cord starting system that starts in a snap. The dual-lever height adjustment provides you with five cutting height settings to customize the look and feel of your lawn. The lawnmower offers rear discharge, bagging, and mulching settings. It also has 7" front mower wheels and 10" drive rear wheels for smoother action. The deep dome deck design and the sharp and solid blade make for better mulching. Easy to operate, the mower also features a durable steel deck that cuts 22 inches—returning key nutrients to your lawn so your grass can grow healthy and thick. It covered a 2-year warranty.

Quickly mow up to 1/2 acre on a single charge, then fully recharge battery in just 60 minutes. This lightweight, quiet-running self-propelled, rear-wheel-drive mower has variable speed control for mowing at comfortable speeds; SmartCut Technology that constantly monitors grass conditions, then automatically adapts to provide the perfect amount of power needed to get the job done; cutting blades that won’t bog down in tall, wet, or thick grass. Greenworks exclusive Intelligent Power provides constant, fade-free power with no dangerous emissions; and combines Brushless motor technology, lithium-ion battery power, superior cutting, and ultra-fast control systems for powerful output. Includes 4.0 Ah battery and rapid charger. Battery is compatible with 75+ Greenworks 80V products. Life. Powered. By Greenworks.

Tackle uneven terrain and gentle slopes with confidence using this PowerSmart 21-inch self-propelled gas mower. The rear-wheel drive gives you extra traction when you need it, so you’re not pushing uphill. Powered by a 170cc 4-stroke engine, it handles overgrown grass without bogging down. You get a true 3-in-1 system—mulch, bag, or side discharge—so you can adapt to whatever your lawn throws at you. The 6-position cutting height (1.5 to 3.9 inches) makes it easy to find the right setting. Built with a rust-resistant 21-inch steel blade and a 13-gallon grass bag, it’s ready for weekly mows or spring cleanup. This mower measures 60 by 23 by 38 inches and weighs 66.3 pounds. It comes with a 2-year warranty on parts and labor—solid coverage for a hardworking machine.
| Pros for SENIX - 21" 140cc 4-Cycle Briggs & Stratton Gas Self-Propelled Lawn Mower with 3-in-1 Bagging, Mulching, Side Discharge - Blue | |||
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| There were no pros for this product— | There were no pros for this product— | Battery Life, Ease of use, Overall Performance, Power, Noise Level | There were no pros for this product— |






































