PowerSmart · Walk-Behind Mowers
PowerSmart DB2321SR Review
The DB2321SR adds rear-wheel drive and a stated 3-year warranty to a basic 21-inch 3-in-1 deck. Limited published detail and a higher price than its siblings keep the value score moderate.
- Deck size
- 21 in.
- Drive
- Self-propelled, rear-wheel drive
- Fuel type
- Gasoline
- Price
- $449.99
Rating breakdown
Key specifications
| Power type | Gasoline |
|---|---|
| Engine | 170 cc 4-cycle OHV gas engine, recoil start (maker not stated) |
| Displacement | 170 cc |
| Fuel type | Gasoline |
| Transmission | Rear-wheel self-propel (speed not stated) |
| Drive | Self-propelled, rear-wheel drive |
| Deck size | 21 in. |
| Cutting height | 1.5 to 3.9 in. (page says 5 or 6 positions) |
| Discharge | 3-in-1: side discharge, mulching or rear bag |
| Front tires | 7 in. |
| Rear tires | 8 in. |
| Recommended property size | Not stated by PowerSmart |
| Model number | DB2321SR |
| Color | Red |
| Start | Recoil (pull) |
| First-fill oil | 12 fl oz 10W-30 |
Pros and cons
What we like
- Rear-wheel self-propel
- 170 cc OHV engine
- 3-year limited warranty
- 3-in-1 discharge options
- 21-in. deck
What could be better
- Drive speed not published
- Engine maker and horsepower not stated
- Weight and bag size not published
- Small 7-in. front wheels
- Page conflicts on 5 or 6 height positions
DB2321SR review
What the DB2321SR is
The DB2321SR is PowerSmart’s red 21-inch, 170 cc gas mower with rear-wheel self-propel. It sits above the DB8621P push mower in this brand’s lineup and targets buyers who want a drive system without paying for a premium name. Our PowerSmart DB2321SR review draws only on the maker’s pages and listings.
Engine and self-propel
PowerSmart describes a 170 cc 4-cycle OHV gas engine with recoil start. The page does not name the engine maker or give horsepower, so we do not quote either.
Drive goes to the rear wheels. The page gives no ground speed or whether the speed is adjustable, which matters on hills and for walking pace.
Deck and cutting
The mowing deck is 21 inches. Height adjustment spans 1.5 to 3.9 inches, although the page calls it 6-position in one spot and 5-position in another, so count the notches at purchase. The mower works as a 3-in-1: side discharge, mulching or rear bagging.
Deck material and bag capacity are not stated on the pages we read.
Wheels and handling
Wheels are 7 inches in front and 8 inches in the rear. Small wheels are common on budget mowers and tend to handle thick or uneven turf less smoothly than 8-inch fronts and larger rears. No weight is published.
First fill requires 12 fl oz of 10W-30 oil according to the page, and fuel tank size is not given.
Price, warranty and fit
PowerSmart’s page shows $449.99 and a 3-year limited warranty. That price is well above the DB8621P and the brand’s 21-inch DB8621S self-propelled model, so compare them closely.
The DB2321SR fits small to mid-size lawns where pushing a mower is tiring. Shop it against the DB8621S if budget matters more than the extra cubic centimeters. Since PowerSmart sells direct and through retailers, check return terms and parts availability before you commit, because a budget brand lives or dies on how easily you can get blades, belts and filters.
Buying information
Ownership
Frequently asked questions
Is the PowerSmart DB2321SR self-propelled?
Yes. PowerSmart lists rear-wheel drive on this 21-inch model.
What size engine is in the DB2321SR?
A 170 cc 4-cycle OHV gas engine with recoil start.
What warranty does the PowerSmart DB2321SR have?
PowerSmart's page states a 3-year limited warranty.
How high does the DB2321SR cut?
From 1.5 to 3.9 inches, though the page is inconsistent on whether that is 5 or 6 positions.
How much is the PowerSmart DB2321SR?
PowerSmart's page showed $449.99 in October 2026.
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