DeWalt 21 in. 163cc RWD Self-Propelled 2-in-1 Lawn Mower
Push / Walk-Behind mower · Model 12A-O1C2039 · 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. 163cc RWD Self-Propelled 2-in-1 Lawn Mower is a residential-grade gas walk-behind mower, suited to small-to-mid home lawns, with a 21-inch deck and a 163cc engine.
At a glance
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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 | 9.9 ci (163 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 | Steel |
Drive
| Drive Type | Rear-Wheel Drive |
|---|
Dimensions
| Height | 17.5 in (445 mm) |
|---|---|
| Length | 36.6 in (929 mm) |
| Width | 23.9 in (607 mm) |
Similar models
Other push / walk-behind mowers with comparable specs — including other brands — that buyers cross-shop with the 21 in. 163cc RWD Self-Propelled 2-in-1 Lawn Mower.
Specs verified against the manufacturer spec sheet on Jun 6, 2026 — dewalt.com.
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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 24 in of clearance.
Fit uses DeWalt's published overall width.
DeWalt 21 in. 163cc RWD Self-Propelled 2-in-1 Lawn Mower questions
What size deck is on the DeWalt 21 in. 163cc RWD Self-Propelled 2-in-1 Lawn Mower?
The DeWalt 21 in. 163cc RWD Self-Propelled 2-in-1 Lawn Mower has a 21-inch (533 mm) cutting deck with steel construction.
What engine is in the DeWalt 21 in. 163cc RWD Self-Propelled 2-in-1 Lawn Mower?
The DeWalt 21 in. 163cc RWD Self-Propelled 2-in-1 Lawn Mower is powered by 163 cc. Horsepower is the manufacturer's own rating.
How much does the DeWalt 21 in. 163cc RWD Self-Propelled 2-in-1 Lawn Mower cost?
DeWalt doesn't publish a list price for the DeWalt 21 in. 163cc RWD Self-Propelled 2-in-1 Lawn Mower — it's sold on a dealer quote. MowerFacts records prices only where the manufacturer publishes them.
What is the DeWalt 21 in. 163cc RWD Self-Propelled 2-in-1 Lawn Mower built for?
Residential-duty push / walk-behind mower. Built for home-lawn use.
Source: DeWalt (manufacturer) · archived copy