Push vs Self-Propelled Mower?
By Nate Sawyer, Editor · Updated July 2026
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Fiskars StaySharp Max 18-in Reel Push Mower
Based on specs and aggregated owner reviews, the Fiskars StaySharp Max is a maintenance-free 18-inch manual reel mower: no gas, oil, cords or charging, and it cuts tougher growth than basic reels. Quiet and emission-free for small, flat lawns, but any slope, tall grass or large area is hard work, and it struggles with sticks and weeds.
| Power | Manual (human-powered, no motor) |
|---|---|
| Deck | 18 in cut width, 5 blades |
| Drive | Push, InertiaDrive reel |
| Runtime | Unlimited (no fuel or battery) |
| Cutting height | 1-4 in |
| Discharge | Reversible chute, no bag included |
| Best for | Small flat yards under ~1/4 acre |
EGO Power+ Select Cut LM2135SP 21-in Self-Propelled Mower
Based on specs and aggregated owner reviews, EGO's LM2135SP pairs a 21-inch deck, self-propel and a rated 60-minute 56V runtime, a strong gas-free pick for quarter- to half-acre lawns. Trade-offs: the ~$650 kit tops comparable gas units, real runtime drops in tall or wet grass, and at 62-65 lb it's heavy to lift for storage.
| Power | 56V battery (7.5Ah kit) |
|---|---|
| Deck | 21 in steel |
| Drive | Self-propelled, Touch Drive 0.9-3.1 mph |
| Runtime | Up to ~60 min (56V 7.5Ah) |
| Cutting height | 1-4 in, 8 positions |
| Discharge | 3-in-1 bag / mulch / side discharge |
| Best for | Up to ~1/2 acre |
Our verdict
This is the effort spectrum. The Fiskars reel is the purest push mower: you supply all the force, which is fine on a small flat lawn but hard on slopes or tall grass. The EGO self-propelled sits at the other end, using a driven transmission so the mower pulls itself across medium yards and hills. A powered battery or gas push mower is the middle ground when you want an engine but not a driven transmission. On specs, pick a push (manual reel or powered push) for small flat lots and tight budgets, and self-propelled for larger areas, thick turf, or any real slope where pushing a heavy deck gets tiring.
Frequently Asked Questions
- Is a self-propelled mower worth it over a push mower?
- It depends almost entirely on slope and yard size. On a small flat lawn under about a quarter acre a push mower is fine and cheaper to own. On hills, tall grass, or up to about a half acre, a driven transmission pulls the mower along and turns mowing from a workout into a walk.
- How hard is a reel push mower to use in practice?
- Harder than people expect once conditions are less than perfect. The Fiskars StaySharp Max is human-powered, so any real slope, tall grass or large area becomes genuine work, and its 18 in cut makes it slow on anything beyond a small lawn. Reel mowers also struggle with sticks, weeds and overgrown patches that a rotary mower chews through. What you get in exchange is no gas, oil, cords or charging, near-zero running cost, and silent emission-free operation.
- Does a battery self-propelled mower have enough runtime?
- For medium yards, yes with caveats. The EGO LM2135SP is rated up to about 60 minutes on a 56V 7.5Ah pack, but real runtime drops in tall or wet grass, so a large lot may need a second battery. The battery is shared across EGO's 56V tool line, which spreads that cost if you own other tools in the system.
- What is the cost and weight trade-off?
- The EGO kit lands near $649, well above a comparable gas self-propelled on the spec sheet, and at roughly 62-65 lb it is heavier than many gas push mowers - which matters when you are lifting it onto a shelf for winter. The Fiskars reel is $229 with effectively no running cost.