Tillers hold a special place in our hearts. As our first hydraulic innovation and the pinnacle product upon which Barreto was built, tillers are made to work and built to last. Many of our early machines are still in the field today, yielding an unmatched return on investment as reliable, durable pieces of equipment that withstand the test of time.
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With many tiller styles available on the market, here are three key components to understand before renting a tiller or purchasing a tiller:
1. Tiller Categories
2. Drive Types
3. Tines
Tiller Categories
There are three major categories that lawn and garden tillers fall into: Front tine, mid tine, and rear tine.
In front tine tillers, the tines are located in front of the engine. Tines on mid tine tillers are directly beneath the engine, and in rear tine tillers (yep, you guessed it) the tines are located to the rear of the engine.
Front and mid tine tillers are light duty machines. They are usually smaller, with some models weighing as little as 100lbs. They are best suited for pre-worked soil as they are designed primarily for loosening prepared soil before planting. With the narrow design fitting well between garden rows, they are also often used for weed control. Front and mid tine tillers share many of the same qualities, with mid tine tillers boasting a bit more maneuverability.
Heavy duty rear tine tillers are larger, hardier machines. They are aggressive enough to cut through sod and till up hard unworked ground, while still being able to perform many of the same tasks as their smaller counterparts. The weight of these larger machines also provides an advantage, with some models weighing in at over 500lbs. They are less likely to skip and bounce in rocky or tough conditions. This creates a smoother tilling experience and decreases wear on the operator. Rear tine tillers are some of the only tillers on the market featuring all-hydraulic systems, making them an excellent choice for heavy and repeated use.
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Drive Types
Drive types are an important factor to consider when browsing tillers. You will encounter mechanical drive and hydraulic drive tillers on the market.
Front and mid tine tillers are almost exclusively mechanical drive, using mechanical components to transmit power from the engine. Mechanical drive tillers are smaller and lighter weight, and usually your least expensive option. However, they lack the durability and versatility of hydraulic drive tillers.
Hydraulic drive tillers are more durable, eliminating the mechanical components that tend to wear quickly and require costly repairs. Variable speed drive allows you to adjust the speed of the wheels to your tilling conditions. Hydraulic tillers also employ a relief valve system so that in the event the tines are obstructed and forced to stop, the pressure is relieved, avoiding breakage and wear. All hydraulic tillers are also capable of reversing the tine rotation, helping to dislodge rocks and debris.
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Tines
You will hear plenty about tines and their rotation when looking for tillers. Hardfaced tines are necessary for tillers that will see a great deal of use or are working in tough and rocky soils. The hardfacing can withstand more wear and increases the life of the tines.
Rotation is extremely important to consider. Tillers can have forward rotating tines, counter rotating tines, and tines that rotate in both directions. Forward rotating tines rotate in the same direction the wheels turn. The forward rotation is less aggressive and is generally used to cultivate and aerate loose soils. Counter rotating tines rotate in the opposite direction of the wheels. They are able to till deeper and more aggressively, particularly on the first pass. This makes them more effective for tilling through root systems and breaking up sod.
Understanding these three components will help you make an informed decision when choosing your tiller, providing you with the best tilling solution for your project and your budget.
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Remember to always call 811 before you dig, and locate all underground utilities. While tillers generally run at depths of 6-8 inches, multiple tilling passes, or improperly buried lines can pose a safety hazard on your jobsite.
For any garden too big to manually loosen the soil with a digging fork &#; which, unless you relish hours and hours of back-breaking work, means any garden consisting of more than a couple four-by-eight-foot beds &#; a tiller is an essential tool for creating the loose, fluffy soil that annual vegetables thrive in. But the variety of options can be daunting. Before you head to your local equipment dealer, familiarize yourself with the basics so you&#;re not sold something that you don&#;t need.
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If you are lucky enough to score a good deal on a tiller of your own, don&#;t be so quick to pack your new purchase in the back of the shed until next spring &#; you&#;ll be needing it just a few months. Fall is the perfect time to start preparing your garden for spring planting, so keep it accessible. (It&#;s better to till in compost early and let the microbes do their magic for a few months before planting &#; and it is also the main window for sowing cover crops, for which the soil needs light tillage in preparation.)
Types of Tillers
Confused by all the tiller jargon? Here are the basics.
Cultivator: These mini-tillers are narrow enough to pass between rows of vegetables to &#;cultivate&#; the weeds that emerge after a crop is planted &#; meaning dig them out &#; without disturbing the roots of the crop. Besides removing weeds, cultivators are good at loosening the surface of the soil and mixing in compost in preparation for planting. They are not the tool, however, for tilling up hard earth that has never been tilled before.
- Garden Size: <500 square feet
- Tilling Width: 6&#;-16&#;
- Tilling Depth: 3&#;-6&#;
- Price: $100-$300
Front-Tine Tiller: These light-duty tillers, in which the tines (the blades that churn up the earth) are at the front of the machine, are larger and more powerful than cultivators. They are an affordable, all-purpose option for medium-sized gardens. The turning tines help to propel the machine forward, but it takes a fair amount of upper body strength to operate them, and they are tiring to use for long periods or in soil that is hard, rocky, or full of roots.
- Garden Size: 500-5,000 square feet
- Tilling Width: 12&#;-24&#;
- Tilling Depth: 6&#;-8&#;
- Price: $300-$600
Rear-Tine Tiller: These heavy-duty tillers have blades at the back and wheels at the front. More importantly, the wheels are typically powered by the engine, so they are easier to operate for long periods compared to front-tine tillers. On the other hand, the machines themselves are much heavier and larger, so it still takes plenty of strength to maneuver them. These tillers are the best option for breaking ground in heavy clay soil that has never been tilled before, or where the soil is full of roots and rocks. High-end rear-tine tillers, while pricey, are still cheaper than a tractor, so they are often employed by small sale market gardeners whose plot (and income) are not big enough to justify a larger investment. Gardeners with small plots often rent a rear-tine tiller to work the ground for the first time, and then buy a cheaper front-tine tiller to maintain friable soil on an annual basis.
- Garden Size: 5,000-10,000 square feet
- Tilling Width: 16&#;-36&#;
- Tilling Depth: 8&#;-10&#;
- Price: $600-$6,000
Mid-Tine Tiller: These are a variation of front-tine tillers where the tines are directly under the engine. The weight of the engine helps push the tines into the earth, while widely-spaced wheels on either side provide added stability. Mid-tine tillers are used for the same purposes as front-tine models, but they require significantly less strength to operate.
- Garden Size: 500-5,000 square feet
- Tilling Width: 12&#;-24&#;
- Tilling Depth: 6&#;-8&#;
- Price: $400-$800
Types of Tines
There are three main types of tines. Most tillers, especially the more expensive models, are designed to allow you change from one to the other depending on soil conditions. Sometimes it&#;s necessary to take a pass through the soil with each type, in succession.
Bolo: These curved or L-shaped blades are what comes standard on most models. They are best suited when deep tilling is desired and where rocks, vegetation, and roots are minimal.
Slasher: This is the best choice for cutting through roots and heavy vegetation. They are designed to prevent such debris from wrapping around the tines and becoming stuck, which is a common complaint with bolo tines.
Pick and Chisel: These are used to break up hard, rocky ground.
Tiller Maintenance Considerations
Some small cultivators are powered with an electrical cord, rather than a gas engine, eliminating much of the noise &#; and all of the exhaust. Some even operate with a rechargeable battery, the same as a power tool. There is virtually no maintenance involved in electric cultivators.
Gas engines are smelly, dirty, and require regular maintenance, such as oil changes and spark plug replacement. You&#;ll also need to drain the gas in winter or add a fuel stabilizer to keep it fresh for use again in spring. Smaller, front-tine tillers employ two-cycle engines, which run on a mix of gasoline and engine oil, while all rear-tine and larger front-tine models have four-cycle engines that run on straight gas. The bigger the engine, the more expensive and complex the maintenance becomes.
The Bells and Whistles
There are a variety of special features and add-ons that can make a tiller easier to use, and useful for a variety of tasks.
Adjustable Tilling Depth: One of the most basic features, this is essentially an adjustable bar at the rear of the tiller that controls how deep the tines can reach.
Adjustable Tine Width: Some models allow you to slide the tines closer together or farther apart for cultivating in rows of various widths.
Collapsible Handle: Most common on front-tine tillers, this feature makes it easier to fit a tiller in the back of a car or in a small storage space.
Counter-Rotating Tines: Some rear-tine tillers are designed so the tines spin in reverse as the wheels spin forward, creating additional traction and allowing you to till deeper, even in heavy soils.
Dual-Rotating Tines: High-end rear-tine tillers can switch back and forth between forward and reverse tine rotation.
Reverse Gear: This feature pertains not to the tines, but to the wheels of a rear-tine tiller. Being able to drive the machine in reverse makes it more maneuverable in tight spots and much less strenuous on the user.
Electric Start: Gas tiller engines are typically started with a pullcord, just like a lawnmower. Models with this feature start with the push of a button, however.
Attachments: Numerous gadgets are available to convert tillers to other uses, including snowblowers for winter maintenance and edgers and dethatchers for lawn maintenance. High-end rear-tine tillers typically include a PTO shaft, an all-purpose receptacle that can power a large number of implements, much like a tractor.
For more information, please visit How to Use Bulldozer.
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