Overall Impression and Value Rating
The Greenworks 40V 21″ Brushless Cordless Lawn Mower MO40L4413 combines cordless convenience with sleek, self-propelled operation, earning an overall rating of 4.1 out of 5 stars from over 12,700 users. Positioned in the mid-price tier, it offers a balance of durability, performance, and ease of use for residential lawn care. Its feature set and included dual 4.0Ah batteries deliver strong value for homes with small to medium-sized yards.

Core Specifications and Features at a Glance
| Specification | Detail |
|---|---|
| Power Source | 40V Lithium Ion Battery (2 x 4.0Ah included) |
| Cutting Width | 21 inches |
| Cut Height Adjustment | 7 positions (1.38″ to 3.75″) |
| Weight | 84 pounds |
| Deck Material | Alloy Steel |
| Operation Mode | Smart Pace Self-Propelled |
| Dimensions (L x W x H) | 62.25” x 21” x 23” |
What Users Appreciate and Common Praises
Users generally commend the mower’s cordless freedom and ease of use. The lightweight design makes it suitable for maneuvering around tight mulch beds and garden edges. Quiet operation is frequently highlighted, making lawn care less disruptive.
Many customers report excellent cutting performance on various grass types, including tall and thick grass, with a clean and even finish. One user noted how smoothly it glides across the lawn, enhancing comfort during extended mowing sessions.
Battery life feedback is mixed; approximately half of reviewers praise the runtime on a single charge, while others experience shorter operational periods, which may relate to grass density and mowing technique.
Sample user comments:
- “Perfect for small yards and very easy to push.”
- “Battery lasts long enough for my entire lawn without charging.”
- “Quiet yet powerful enough to cut through thick patches without bogging down.”
Performance and Design Compared to Competitors
| Feature | Greenworks MO40L4413 | EGO Power+ LM2142SP | RYOBI 40V RY401110-Y |
|---|---|---|---|
| Cutting Width | 21 inches | 21 inches | 20 inches |
| Battery Included | 2 x 4.0Ah | 2 x 5.0Ah | 2 x 4.0Ah |
| Self-Propelled | Yes (Smart Pace) | Yes | Yes |
| Cut Height Positions | 7 | 6 | 7 |
| Weight | 84 pounds | 72 pounds | 80 pounds |
| Deck Material | Alloy Steel | Steel | Steel |
| Noise Level | Quiet | Quiet | Moderate |
The Greenworks model stands out for its Smart Pace technology, automatically adjusting to walking speed. Its dual battery ports offering seamless switchover also provide longer mowing sessions without interruptions, distinguishing it from many competitors.
Optimal Buyer Profile and Considerations for Avoidance
- Ideal for homeowners with small to medium lawns seeking cordless convenience and self-propelled ease.
- Users requiring quiet operation in noise-sensitive neighborhoods.
- Lawn owners wanting versatile grass disposal options: mulching, side discharge, or rear bagging.
- Avoid if you have very large yards that exceed ⅓ acre or thick terrain needing extended battery run-time.
- Not designed for commercial or heavy-duty landscaping demands.
Price Point Analysis and Purchasing Advice
The manufacturer’s suggested retail price (MSRP) places this mower in the mid-range cordless segment. Typical sales offer discounts that make it highly competitive compared to other cordless mowers with similar features. An ideal buy-under price correlates with seasonal deals or promotions.
Considering the included dual 4.0Ah batteries and charger—components often sold separately—the package offers notable value for homeowners seeking a plug-and-play mowing option without hidden add-on costs.
Frequently Asked Questions About This Model
- Q: How long do the batteries last on a full charge?
A: The mower offers up to 70 minutes of run-time, though actual duration depends on grass density and operator technique. - Q: Can this mower handle wet grass?
A: It is designed for dry or slightly damp turf; cutting wet grass can reduce battery performance and cut quality. - Q: Is the mower easy to store vertically?
A: Yes, its design supports vertical storage to save garage space. - Q: Does it include a rear bag for clippings?
A: Yes, the 3-in-1 system allows mulching, side discharge, or use of the rear bag (included). - Q: What maintenance is required?
A: Minimal maintenance is needed—no gas, oil changes, or tune-ups are necessary, just regular cleaning and blade inspection.
Closing Summary and Buying Recommendation
The Greenworks 40V 21″ Brushless Cordless Lawn Mower is a robust choice for consumers who want efficient, cordless lawn care without the noise or fumes of gas mowers. Its self-propelled Smart Pace technology adapts to walking speed, enhancing usability. Dual battery switchover extends mowing time, while versatile cutting height and 3-in-1 grass management meet diverse lawn needs.
For yards under a half-acre and homeowners valuing ease of storage and maintenance-free operation, this model represents a clear buy. Buyers seeking heavier-duty or commercial use should consider other options, but for everyday residential lawn mowing, the Greenworks MO40L4413 offers excellent performance at an attractive price point.
