DeWalt 21 in. 196cc RWD Self-Propelled 3-in-1 Lawn Mower With PowerAdapt™
Push / Walk-Behind mower · Model 12ABP3RJ039 · Residential-duty · Gas
DeWalt doesn’t publish a list price for this model — it’s dealer quote only. The DeWalt product page is the place to start.
The DeWalt 21 in. 196cc RWD Self-Propelled 3-in-1 Lawn Mower With… is a residential-grade gas walk-behind mower, suited to small-to-mid home lawns, with a 21-inch deck and a 196cc engine.
At a glance
Compare similar mowers See how this mower compares with machines of a similar size and purpose.
Chosen by stated rules, not opinion: same class, a deck within 2 in of this one, the same kind of power and a compatible duty class, then the closest power, weight and price, with other makers preferred. Figures are the manufacturers’ published ones; nothing is estimated.
Engine
| Power Source | gas |
|---|---|
| Displacement | 12 ci (196 cc) |
| Fuel Type | Gasoline |
Deck
| Cutting Width | 21 in (533 mm) |
|---|---|
| Min Cut Height | 1.3 in (32 mm) |
| Max Cut Height | 3.7 in (95 mm) |
| Deck Material | 15 Gauge Steel |
| Deck Gauge | 15 |
Drive
| Drive Type | Rear-Wheel Drive |
|---|
General
| Bagger Capacity | 2.3 bu (81 L) |
|---|---|
| Warranty | 3 yr |
Similar models
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Specs verified against the manufacturer spec sheet on Jun 6, 2026 — dewalt.com.
Other DeWalt PowerAdapt models › 1 more in this range: 28 in. 224cc RWD Self-Propelled 3-in-1 Lawn Mower With…
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Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.
What the specs work out to
Figures MowerFacts computes from DeWalt’s own numbers — not published by the manufacturer.
Gate & trailer fit
- 32 in gateFits
- 36 in gateFits
- 48 in gateFits
Needs at least 27 in of clearance (estimated).
Fit uses the deck width plus 6 in for the discharge chute, because DeWalt doesn't publish an overall width — measure before buying if a gate is tight.
DeWalt 21 in. 196cc RWD Self-Propelled 3-in-1 Lawn Mower With… questions
What size deck is on the DeWalt 21 in. 196cc RWD Self-Propelled 3-in-1 Lawn Mower With…?
The DeWalt 21 in. 196cc RWD Self-Propelled 3-in-1 Lawn Mower With… has a 21-inch (533 mm) cutting deck with 15 gauge steel construction.
What engine is in the DeWalt 21 in. 196cc RWD Self-Propelled 3-in-1 Lawn Mower With…?
The DeWalt 21 in. 196cc RWD Self-Propelled 3-in-1 Lawn Mower With… is powered by 196 cc. Horsepower is the manufacturer's own rating.
How much does the DeWalt 21 in. 196cc RWD Self-Propelled 3-in-1 Lawn Mower With… cost?
DeWalt doesn't publish a list price for the DeWalt 21 in. 196cc RWD Self-Propelled 3-in-1 Lawn Mower With… — it's sold on a dealer quote. MowerFacts records prices only where the manufacturer publishes them.
What is the DeWalt 21 in. 196cc RWD Self-Propelled 3-in-1 Lawn Mower With… built for?
Residential-duty push / walk-behind mower. Built for home-lawn use.
Source: DeWalt (manufacturer) · archived copy