The BLACK+DECKER 3-in-1 Lawn Tool: Mower, Trimmer & Edger
Maintaining a beautiful, manicured lawn can be time-consuming, especially when juggling multiple tools for mowing, trimming, and edging. BLACK+DECKER’s 3-in-1 lawn solution brings convenience and efficiency to yardwork by combining a mower, string trimmer, and edging tool into a single, compact powerhouse. Whether you own a small yard, manage tight spaces, or want a lightweight, ergonomic alternative to heavy gas-powered equipment, this tool promises to streamline your routine and deliver professional-looking results.
Key Features of the BLACK+DECKER 3-in-1 System
- Three tools in one: Transforms from a mower to a trimmer to an edger in seconds.
- Powerful performance: Equipped with a 6.5-amp motor for tackling even the toughest weeds, grass, and overgrowth .
- Automatic Feed Spool (AFS): Ensures continuous, bump-free trimming—no interruptions to replace or adjust the line .
- Gear Drive Transmission: Maintains consistent cutting speed, even in dense, thick patches .
- Lightweight & ergonomic: Designed for comfort, featuring an adjustable handle and height positions .
- 12-inch cutting width: Sufficient for small to medium lawns, especially in hard-to-reach corners .
- Corded and Cordless options: Choose between unlimited runtime (corded) or cordless convenience for ultimate flexibility .
Technical Specifications
| Model | Power | Cutting Width | Weight | Warranty |
|---|---|---|---|---|
| MTE912 (Corded) | 6.5 amps (120V) | 12 in | 14.2 lb | 2-Year Limited |
| BESTA512CM (Corded) | 6.5 amps (120V) | 12 in | 13.9 lb | 2-Year Limited |
| MTC220 (Cordless) | 20V MAX* Lithium-Ion | 12 in | 14.6 lb | 2-Year Limited |
*Maximum initial battery voltage is 20 volts; nominal voltage is 18.
How Does the 3-in-1 Tool Work?
This BLACK+DECKER unit ingeniously houses a string trimmer inside a detachable mower deck. Installation and operation are simple:
- Mow: Attach the trimmer to the mower deck for a standard mowing experience. The adjustable deck height enables precise grass cutting on flat or sloped lawns.
- Trim: Detach the trimmer from the mower deck for handheld trimming. This lets you tackle overgrowth along fences, flower beds, and landscaping features.
- Edge: Rotate the trimmer head vertically and wheel it along borders for a clean, professional edge.
Conversion between modes is tool-free and takes seconds, allowing rapid adaptation as you move from one task to the next .
Who Is This Tool Ideal For?
The BLACK+DECKER 3-in-1 mower, trimmer, and edger is especially suited to:
- Homeowners with small to medium-sized yards (recommended up to 1,200 square feet).
- Those managing tight spaces such as courtyards, townhomes, or landscaped areas where full-size mowers are impractical.
- Users seeking gas-free, low-maintenance solutions—ideal if you want to avoid fuel, oil, fumes, and heavy maintenance.
- Elderly users, beginners, or anyone preferring lightweight, ergonomic equipment over heavier, more cumbersome gas models.
Benefits of BLACK+DECKER’s 3-in-1 System
- Convenience: Replace three tools with one, saving storage space and cutting down setup time.
- Time-saving: Seamlessly switch between mowing, trimming, and edging in a single session without hauling multiple tools.
- Cost-effective: Far less expensive than purchasing dedicated mowing, trimming, and edging equipment separately.
- Eco-friendly: Electric operation means no emissions, less noise, and minimal vibration.
- Maneuverability: Its compact size and lightweight build make it easy to steer around flower beds, garden borders, and landscaping features.
- Continuous workflow: The Automatic Feed Spool (AFS) ensures you rarely interrupt your work to fix the line.
Detailed Feature Analysis
Automatic Feed Spool (AFS) Technology
No more pausing your work to adjust the trimming line. The AFS mechanism automatically delivers more string as needed, ensuring smooth, uninterrupted performance regardless of grass thickness or length .
PowerDrive and Gear Transmission
Both the corded and cordless models feature transmission systems designed to prevent bogging down in thick patches. This keeps blades spinning at optimal speed, even when tackling weeds and tall growth .
Ergonomic Design
- Rotating auxiliary handle: Offers multiple grip positions for reduced fatigue.
- Adjustable height: Customizes cutting height to suit your lawn and comfort.
- Light weight: Typically under 15 lbs, minimizing strain and enhancing maneuverability .
Cutting Deck & Versatility
- 12-inch deck: Wide enough to mow efficiently, small enough to reach corners.
- Height adjustment: Tailor mowing height to between approx. 1.6 inches and 2.4 inches depending on the model .
- Detachable deck: Converts quickly for detailed trimming or edging.
Safety Features
- Cord retention system: Prevents accidental unplugging while you work (corded models) .
- Protective guard: Shields plants, feet, and property from flying debris.
- UL Safety certification: Meets recognized safety standards .
Corded vs Cordless Models: Which Should You Choose?
| Feature | Corded (MTE912/BESTA512CM) | Cordless (MTC220) |
|---|---|---|
| Power Source | 120V outlet (unlimited run) | 20V MAX* lithium-ion battery |
| Runtime | As long as needed (no charging) | Approx. 20–30 min per battery (two included) |
| Weight | 13.9–14.2 lbs | 14.6 lbs |
| Mobility | Limited by cord length; extension needed | Full freedom—no cord |
| Ideal Use | Small yards with easy outlet access | Tight spaces, areas far from outlets |
| Maintenance | Minimal; just check cord | Maintain batteries; replace as needed |
Corded models suit users seeking unlimited runtime at the lowest price, while cordless options offer maximum mobility and convenience for yards with difficult access or distance from power sources .
What’s in the Box?
- Mower deck: Detachable plastic housing for mowing mode.
- String trimmer: Handheld motor unit with trimmer head.
- Spool (AF-100): String preloaded for immediate use.
- Auxiliary handle & guard: For comfort and safety in all configurations.
- Batteries and charger: Included with cordless models .
How to Use: Setup & Operation
- Assemble the mower deck and trimmer per instructions—no tools required for most parts.
- Adjust the handle and cutting height to your preference.
- Plug in to a grounded 120V outlet (corded), or charge and insert batteries (cordless).
- Start mowing, then detach and convert to trimming or edging as needed.
- Clean and store the unit after use, checking the spool for wear.
Care and Maintenance
- String replacement: Use AF-100 spools for quick and hassle-free line changes.
- Blade care: Clean mower deck after each use to prevent buildup.
- Check safety guards and cord retainer (corded) before operation.
- Battery care: For cordless models, charge and store batteries properly for maximum lifespan.
User Reviews: What Lawn Owners Are Saying
- Easy for beginners: Most users commend the straightforward assembly and lightweight feel—perfect for first-timers.
- Efficient for small yards: Owners with small lawns report finishing mowing, trimming, and edging in a fraction of the time needed with separate tools.
- Compact storage: The unit’s design is praised for requiring only minimal storage space in a garage or shed.
- Some limitations: A minority note that the 12-inch cutting width may not be ideal for large, open lawns. For extended runtime, cordless models may require extra batteries.
Buying Tips and Additional Accessories
Before purchasing, consider the following:
- Determine power preference: Ensure you choose between corded for unlimited runtime or cordless for unrestricted movement.
- Stock up on spools: Order AF-100 replacement trimmer line spools to avoid downtime.
- Purchase extra batteries: For cordless models, more batteries equal longer working sessions.
- Extension cords: Heavy-duty exterior extension cords are essential for corded units in medium-size yards.
BLACK+DECKER 3-in-1: Frequently Asked Questions (FAQs)
Q: Can the BLACK+DECKER 3-in-1 handle thick, tall grass?
A: Yes, the 6.5-amp motor and PowerDrive transmission equip it to tackle tough weeds and overgrowth, though for overgrown fields, multiple passes may be necessary.
Q: What’s the maximum lawn size recommended for this tool?
A: Designed for small to medium-sized lawns, up to approximately 1,200 square feet per session is ideal for maximum efficiency.
Q: Do I need special tools to convert between mowing, trimming, and edging?
A: No, conversion is tool-free and intuitive. Switch between modes in seconds for seamless lawn care.
Q: How difficult is assembly?
A: Assembly is straightforward and usually takes less than 10 minutes with clear, illustrated instructions provided.
Q: Is this safe and suitable for beginners or elderly users?
A: Yes, the lightweight build, adjustable handle, and built-in safety features make it a great choice for users of all ages and experience levels.
Should You Buy BLACK+DECKER’s 3-in-1 Lawn Tool?
If you’re seeking an affordable, all-in-one solution for mowing, trimming, and edging—especially for small to moderately sized yards—then the BLACK+DECKER 3-in-1 system stands among the best values on the market. Its power, convenience, and versatility have made it a favorite of homeowners looking to simplify weekend yardwork. With robust features, broad usability, and ease of use, it’s a worthy investment for achieving a consistently neat lawn with minimal hassle.
References
- https://www.blackanddecker.com/products/mte912
- https://www.blackanddecker.com/products/besta512cm
- https://www.cpopowertools.com/black-and-decker-besta512cm-120v-12-in.-3-in-1-electric-corded-lawn-mower-string-trimmer-edger/bdknbesta512cm.html
- https://www.homedepot.com/p/BLACK-DECKER-20V-MAX-Cordless-Battery-Powered-3-in-1-String-Trimmer-Lawn-Edger-Lawn-Mower-Kit-with-2-2Ah-Batteries-Charger-MTC220/204989204
- https://www.blackanddecker.ca/product/mtc220/20v-max-12-3-1-compact-mower
- https://www.walmart.com/ip/BLACK-DECKER-Electric-Lawn-Mower-String-Trimmer-Edger-3-In-1-Corded-BESTA512CM/777768400
- https://www.homedepot.com/p/BLACK-DECKER-12-in-6-5-Amp-Corded-Electric-3-in-1-String-Trimmer-and-Lawn-Edger-with-Lawn-Mower-Attachment-BESTA512CM/332896859
- https://www.blackanddecker.com/products/mtc220
- https://www.youtube.com/watch?v=zep1WzLJ3Ig




