Our take
DB2321SR is a gas self-propelled walk-behind mower with enough exact-model information to compare its drive and collection setup without treating a nearby PowerSmart number as the same machine. Its manual specifies a 170 cc engine, 20.5-inch cutting width, a 1.4-bushel grass catcher, five height positions, and bagging, mulching, and side discharge. That is a practical feature set for a shopper who wants gas power and powered forward movement. It also brings fuel, oil, starting, storage, and service needs that a corded or battery model does not.
A shopper who wants a documented gas self-propelled mower and values the DB2321SR’s 1.4-bushel catcher and three clipping options..
It is a poor match if you require battery or corded electric power, a wider documented cutting path, or an offer whose exact condition and accessories are already verified.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- The model manual confirms a 170 cc engine and self-propelled drive for DB2321SR.
- Its 1.4-bushel catcher and three documented clipping modes provide concrete collection choices.
- Five height positions cover a manual-specified 1.18-to-3-inch range.
What to weigh up
- The manual lists a 20.5-inch cutting width even though the model is marketed in the 21-inch class.
- Gasoline, oil, a recoil starter, and engine maintenance add ownership steps.
- The exact historical seller condition and current package are not established by the maker sources.
Specifications and exact model details
The key details
| Model covered | DB2321SR |
|---|---|
| Cutting width | 20.5 in technical cutting width; 21 in model class |
| Drive and battery platform | 170 cc gasoline engine with self-propelled drive |
| Battery and charger configuration | 1.4-bushel grass catcher |
| Cutting and collection | Bagging, mulching, and side discharge; five heights from 1.18 to 3 in |
Performance figures are manufacturer claims. Source checked October 16, 2026. Regional models and included accessories can differ.
Full review: how the features affect your choice
What the features mean for you
A gas engine and powered drive
The DB2321SR manual identifies a four-stroke, 170 cc engine and a self-propelled drive system. That makes this a different kind of choice from a push-only electric mower: the operator still guides the machine, while the drive system supplies forward movement. The exact listing title is not the evidence for those facts; the model manual is. The documents do not provide a comparable drive-speed figure, so a buyer who needs a specific walking pace should not infer one from engine displacement or the word self-propelled.
The actual cutting width is 20.5 inches
PowerSmart labels the model as a 21-inch mower, but its technical data gives a 20.5-inch cutting width. This review uses that exact technical figure for matching and keeps the model-class name visible only as a label. The difference is modest in ordinary language but matters when a hard threshold is part of a comparison. There is no manufacturer basis here for claiming a particular mowing time or area from the width. Compare the numeric width with the path and access points you need to manage.
A measured catcher and documented modes
The manual lists a 1.4-bushel grass catcher and identifies the mower as a 3-in-1 model. It gives instructions for fitting the catcher and side-discharge chute, while mulching is included in the model description. Together these facts support bagging, mulching, and side discharge as documented alternatives. Capacity is a specification, not a promise about how often a real lawn will require emptying; grass length and condition change the amount collected. The source does not establish any special collection performance beyond the listed configuration.
Five positions set a defined range
The DB2321SR technical data sets a 1.18-inch minimum and a 3-inch maximum across five height positions. Those endpoints help a buyer compare adjustment range with another model’s documentation, but they do not prescribe a height for a particular lawn. The manual describes front and rear adjustment levers, so changes should follow its instructions and keep the mower level. It does not publish a bushel-to-height relationship, runtime comparison, or measured cut result. Use the range as a fit detail rather than a substitute for mowing guidance.
Keep model numbers and seller details exact
PowerSmart has other mowers whose model numbers begin with DB2321, including DB2321PH and DB2321PR. This review covers only DB2321SR, which its maker manual ties to the 170 cc self-propelled specification set. Do not transfer another model’s deck width, kit, engine size, or features to this one. The historical row does not establish a present seller’s condition or package. The purchase link therefore searches for the exact model rather than asserting an ASIN match; inspect the model plate and seller description before ordering.
Compare for your needs
Find the walk-behind lawn mower that fits you.
Tell us what matters. We’ll help you weigh the options.
Before you buy
How wide does DB2321SR cut?
The model-specific PowerSmart manual lists 20.5 inches as the technical cutting width, although the mower is identified in the 21-inch class.
Does it collect clippings?
Yes. The manual lists a 1.4-bushel catcher and bagging, mulching, and side-discharge modes. Confirm the catcher and chute are present in the seller’s package.
Is it self-propelled?
Yes. PowerSmart’s DB2321SR technical data identifies a self-propelled drive. It does not give a maximum drive speed in the source reviewed here.
Where can I check the current price?
Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.
Sources and review basis
Sources & review basis
We use the linked product documentation for the features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.
- PowerSmart DB2321SR operator manual (manufacturer manual hosted on Amazon asset CDN) ↗ — checked October 16, 2026.
- PowerSmart DB2321SR operator manual, hosted on Amazon asset CDN ↗ — checked October 16, 2026.
- PowerSmart model-specific DB2321SR parts record ↗ — checked October 16, 2026.
Is it the right fit?
Check the exact model and today’s offers on Amazon.