Electric Tillers Compared: Corded Power vs Cordless Freedom
Sun Joe’s TJ603E leads this comparison of seven electric tillers, cutting a 16-inch swath with a 12-amp corded motor for full garden plots. Budget shoppers should check the Scotts TC70135S instead. Greenworks’ 40V Cordless Cultivator suits anyone who wants battery power without an extension cord underfoot.
Sun Joe’s TJ603E suits most home gardeners tackling full-size plots, pairing a 12-amp motor with a 16-inch width. Its cord limits how far it reaches from an outlet.
Corded and cordless designs trade power for freedom of movement, so neither wins outright. We compared tilling width, tine depth, motor amperage, and owner feedback on compacted versus loose soil to rank all seven.
What we recommend

Sun Joe TJ603E Tiller Joe 16-Inch 12-Amp Electric Garden Tiller/Cultivator
A 12-amp motor drives four steel angled tines across a 16-inch tilling width. Depth reaches 8 inches, enough to break up an established vegetable bed before planting. The folding handle shrinks the stored footprint for garage or shed storage.
Pros
- 16-inch width covers ground faster than narrower cultivators
- Folding handle simplifies storage between seasons
- Consistent power output since it never needs a battery charge
Cons
- Extension cord length limits how far it reaches from an outlet
- 26.4 lbs makes it heavier to maneuver than cordless cultivators

Scotts Outdoor Power Tools TC70135S 11-Inch 8.5-Amp Corded Electric Tiller/Cultivator
An 8.5-amp motor drives this corded tiller across an 11-inch width that narrows to 8.5 inches for row work. Four steel tines reach an 8-inch depth. At roughly 20 pounds, it stores upright in a closet without a wall mount.
Pros
- Adjustable width fits both beds and narrow rows
- Lighter than full-size 16-inch tillers
- Lower price point than premium corded models
Cons
- 8.5-amp motor bogs down faster in heavily compacted clay
- Cord management is manual with no built-in retention hook

Earthwise TC70001 11-Inch 8.5-Amp Corded Electric Tiller/Cultivator
This corded tiller shares the 11 to 8.5-inch adjustable width common to compact cultivators. An 8.5-amp motor drives four steel tines to an 8-inch depth, suited to raised beds and container gardens rather than open acreage. At just under 20 pounds, one person lifts it into a truck bed unassisted.
Pros
- Narrow width maneuvers between raised bed frames
- Easy to lift and transport at under 20 lbs
- Simple two-lever start reduces setup time
Cons
- Not built for tilling large open plots efficiently
- Corded design still requires an outlet within reach

BLACK+DECKER LGC120 20V MAX Lithium Garden Cultivator
A 20V MAX lithium battery powers this cordless cultivator, weighing about 5.7 pounds with no cord to manage. Width runs 7 inches with a 5-inch depth, sized for container beds and flower borders rather than full rows. Tool-free tine removal simplifies swapping in edging attachments.
Pros
- No cord to snag on plants or fencing
- Lightest option in this comparison at 5.7 lbs
- Tool-free tine swaps for quick attachment changes
Cons
- 7-inch width and 5-inch depth limit it to small beds
- Battery runtime tapers as the charge depletes on longer sessions

Greenworks 40V Cordless Cultivator
A 40V lithium battery powers this cultivator across an 8-inch width and 5-inch depth, and ships with a 4Ah battery and charger included. Four steel tines cultivate mixed soil in existing beds rather than break new sod. At about 12 pounds, it swings between rows more easily than corded 16-inch models.
Pros
- Battery and charger included in the price of admission
- 12 lbs keeps arm fatigue lower during extended sessions
- Compatible with other tools on the same 40V battery platform
Cons
- 5-inch depth struggles with compacted or rocky soil
- Battery runtime shortens noticeably in cold weather

Mantis 7940 Electric Tiller/Cultivator
A 9-amp corded motor spins tines at roughly 240 rpm, faster than the standard tillers in this lineup, aimed at breaking up sod or untilled ground. Width runs 9 inches with a working depth up to 10 inches. At about 20 pounds, it handles easier than full-size 16-inch tillers in confined beds.
Pros
- Faster tine speed cuts through sod and root mats
- 10-inch depth exceeds most compact cultivators
- Narrow 9-inch width fits between established plants
Cons
- 9-inch width means more passes needed on large plots
- Corded operation still requires outlet access

Sun Joe TJ599E Tiller Joe 18-Inch 13.5-Amp Deep-Reach Electric Garden Tiller
This corded tiller steps up to a 13.5-amp motor and an 18-inch width, adjustable down to 11 inches for row work. Six steel angled tines dig to an 8-inch depth, covering more ground per pass than the 11 to 16-inch models here. At roughly 33.5 pounds, it is the heaviest unit in this comparison.
Pros
- 18-inch width clears large plots in fewer passes
- Adjustable width narrows for row cultivation
- 6-tine configuration churns soil more thoroughly per pass
Cons
- 33.5 lbs is tiring to push over long sessions
- Wide 18-inch setting is unwieldy in narrow raised beds
Side by side
| # | Model | Motor | Best for | Score | Price |
|---|---|---|---|---|---|
| 1 | Sun Joe TJ603E Tiller Joe 16-Inch 12-Amp Electric Garden Tiller/Cultivator | 12-Amp | Best overall | 9.4 | Check price |
| 2 | Scotts Outdoor Power Tools TC70135S 11-Inch 8.5-Amp Corded Electric Tiller/Cultivator | 8.5-Amp | Best budget | 9.2 | Check price |
| 3 | Earthwise TC70001 11-Inch 8.5-Amp Corded Electric Tiller/Cultivator | 8.5-Amp | Best for small gardens and raised beds | 8.9 | Check price |
| 4 | BLACK+DECKER LGC120 20V MAX Lithium Garden Cultivator | 20V MAX lithium | Best for tight spaces without a cord | 8.7 | Check price |
| 5 | Greenworks 40V Cordless Cultivator | 40V (4Ah included) | Best value | 8.5 | Check price |
| 6 | Mantis 7940 Electric Tiller/Cultivator | 9-Amp | Best for breaking new ground | 8.2 | Check price |
| 7 | Sun Joe TJ599E Tiller Joe 18-Inch 13.5-Amp Deep-Reach Electric Garden Tiller | 13.5-Amp | Best for large garden plots | 8.0 | Check price |
What matters most
What to Check Before Buying an Electric Tiller Motor power, tilling width, and tilling depth decide how a tiller performs before anything else matters. Corded models draw 8.5 to 13.5 amps and hold steady power as long as the cord stays plugged in. Cordless units run on 20V to 40V batteries, trading some torque for freedom from a cord. Anything over 25 pounds gets tiring to push across a full afternoon.
Corded or Cordless: Which Power Source Fits Your Yard A corded tiller fits yards with an outlet near the garden bed and room for a heavy-duty extension cord. Cordless cultivators like the BLACK+DECKER LGC120 or Greenworks 40V unit suit smaller properties and container gardens. Battery runtime drops in cold weather and under heavy load. Large plots still favor a corded model for unlimited runtime.
Matching Tilling Width and Depth to Your Garden Size Raised beds and narrow rows favor a tighter width, around 7 to 11 inches, so the tiller avoids chewing into bed frames. Full plots benefit from wider machines, such as the 16 to 18-inch Sun Joe models, which cover ground in fewer passes. An 8-inch depth suits most vegetable beds. Shallower 5-inch depths work fine for loosening topsoil around existing plants.
Tine Design for New Ground vs Established Beds Standard 4-tine cultivators handle soil already broken in past seasons, mixing in compost before planting. Breaking sod or compacted, untilled ground calls for faster tine rotation, like the Mantis 7940 spinning at roughly 240 rpm. Six-tine setups on wider 18-inch models churn soil more thoroughly per pass. That extra tine count adds weight and cuts maneuverability in tight corners.
Frequently asked questions
What is the difference between a tiller and a cultivator?
A tiller breaks up new or compacted ground with deeper tine penetration. A cultivator mixes and aerates soil already tilled in a past season. Models like the Sun Joe TJ603E do both depending on the depth setting.
Are cordless electric tillers powerful enough for hard soil?
Cordless models like the Greenworks 40V and BLACK+DECKER LGC120 handle loose to moderately compacted soil well. Their 5-inch depth struggles against clay or unbroken ground. Corded tillers with 8.5 to 13.5-amp motors cut through harder soil more consistently.
How deep can an electric tiller dig?
Depth ranges from 5 inches on compact cordless cultivators to 10 inches on the Mantis 7940. Most corded models here reach 8 inches. Deeper settings suit new beds, while shallower depths maintain soil around existing plants.
Which electric tiller works best for raised garden beds?
The Earthwise TC70001 and Scotts TC70135S both adjust down to an 8.5-inch width, narrow enough for raised bed frames. Their sub-20-pound weight also makes them easier to lift over bed walls.
Can an electric tiller break up new ground, or only cultivate existing soil?
Most compact cultivators maintain soil that has already been tilled. The Mantis 7940 spins its tines at roughly 240 rpm specifically to cut through sod and root mats. Standard 4-tine models need multiple passes on new ground.
Corded vs cordless electric tiller: which lasts longer per session?
Corded tillers run as long as they stay plugged in, limited only by cord reach. Cordless models depend on battery capacity, and the Greenworks 40V’s included 4Ah battery covers a modest bed before recharging, less in cold weather.
Do electric tillers need a specific extension cord?
Corded models like the Sun Joe TJ603E and TJ599E need a heavy-duty outdoor extension cord rated for their amperage, typically 12 or 14 gauge for runs over 50 feet. An undersized cord can cause the motor to underperform or overheat.
How much do electric tillers weigh compared to gas models?
Electric tillers here range from 5.7 pounds for the cordless BLACK+DECKER LGC120 to 33.5 pounds for the Sun Joe TJ599E. Gas tillers often exceed 40 pounds due to the engine and fuel tank.
Is a 40V battery tiller strong enough for a vegetable garden?
The Greenworks 40V Cultivator digs 5 inches deep across an 8-inch width, enough for maintaining an existing vegetable bed. Breaking new ground or compacted soil calls for a corded model instead.
Final word
Sun Joe’s TJ603E remains the strongest overall pick, pairing a 16-inch width with an 8-inch depth for most vegetable beds. Gardeners working raised beds or container plots should pick the Earthwise TC70001 instead, since its narrower adjustable width avoids damaging bed frames. Anyone breaking previously untilled ground gets more from the Mantis 7940’s faster tine speed than from a standard cultivator.