Professional Tool Reviews for Pros
What a difference a year makes! Looking back on HART’s 40V cordless mowers, there was plenty of room to move into higher performance levels. The HART 21-inch self-propelled lawn mower promises to reach higher as we move into the spring mowing season. We tested it to see if it’s a good fit for your lawn.
HART’s brushless motor spins a 21-inch blade that has some decent muscle behind it. Cutting through our thick St. Augustine grass, it was much more confident than some of the previous HART mowers we’ve tested.
One cool feature is a temporary power boost. The motor adjusts power automatically as we expect. You can also proactively kick it up when you’re approaching a tough patch by just pressing the blade activation button again. It steps up into high power for about 6 seconds.
There’s a power gap to the top-performing battery-powered mowers, but they’re also hundreds of dollars more. In terms of replacing gas, this mower cuts better than the 140cc class.
HART gives you three discharge options and includes everything you need with the mower. Using a true side discharge rather than a rear attachment, the mower easily distributed cuttings several feet out of our mowing path.
If you’re like us and prefer to mulch, the plug is simple to install. Just lift the rear hatch and seat the plug to close off the bagger chute. The mulching results were satisfyingly good compared to what we’ve seen from HART in the past and much more like what we expect from mid to high-level mowers.
The high airflow that contributes to very its mulching characteristics also produces impressive bagging for a battery-powered mower.
Looking back over the section of grass we cut, we were definitely pleased with the results. Save for a few stray blades, we saw big improvements to how even the overall cut was.
The HART 21-inch self-propelled lawn mower has two active battery bays. It doesn’t have an automatic switchover, though. When one battery runs out, you need to flip the red key under the lid, restart the mower, and keep on truckin’. If you have a smaller lawn, you’re able to run the mower on just one battery.
HART estimates you can cut up to 3/4 of an acre on one charge in optimal conditions. We tested runtime with a medium maintenance cut on a dry day with temps hovering right around 90° F (runtime tends to drop slightly at higher temps). With the two 6.0Ah batteries that come in the kit, we cut for a total of 50:57. Hart’s estimation may be a little ambitious, but a 1/2-acre is certainly possible.
Grab this HART mower at Walmart for $498. It comes with two 6.0Ah batteries and a rapid charger that’ll charge each battery in one hour. It has a 5-year limited tool warranty as well as a 3-year limited battery warranty.
After using the HART 21-inch self-propelled lawn mower we’re impressed with the improvements in performance, cutting performance, and design compared to last year’s models. The design team over at HART set their sights high and stepped up to compete well against other mowers in the $500 range.
To check out the full HART 40V lineup, click here.
Having worked in the automotive and metalworking trades, Josh has even found himself core drilling commercial properties for purposes of surveying. His knowledge and love of tools are exceeded only by a greater love for his wife and family.
A fan of all things that can stretch him mentally, Josh quickly dives into new products, tools, and product testing with ample amounts of both enthusiasm and precision. We look forward to many years of growth alongside Josh as he settles into his role at Pro Tool Reviews.
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Professional Tool Reviews for Pros