Earthquake 7055C Briggs Stratton
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Rear tine rototiller with standard-rotating tines, a Briggs & Stratton engine, and steel bumper guard

The Earthquake 7055C uses smooth-gliding, standard-rotating tines powered by a Briggs & Stratton engine to dig through hard soil or even sod. The tines cut wide and deep, so even tilling ground that’s unbroken can go by quickly without much hassle. To protect you from flying debris and dirt, the tiller is equipped with a steel bumper guard as well as wheels that give you maximum control.

Briggs & Stratton 205cc engine

Much of a tiller’s effectiveness comes from its engine. The Briggs & Stratton brand is known for reliability, and the 205cc on this Earthquake is no exception. It’s also a 4-cycle engine, which are more durable, quieter, and more fuel-efficient than 2-cycles. The engine provides 8.5 lb/ft torque which is ideal for working over hardened, unbroken ground.

Standard forward-rotating tines

The tines on the 7055C rotate forward with the wheels instead of in the opposite direction, like counter-rotating tines do. Forward tines are safer since when they hit a rock, the whole unit jumps forward, not back towards you. They’re also generally easier to maneuver. The Earthquake’s tilling width is 16 inches with a maximum depth of 10 inches.

Isovibe drag stake technology

To help maintain digging depth and overall control, the Earthquake has an isovibe drag stake. This tool keeps the tiller digging at a consistent level and the whole machine well-balanced even while you work through rocky or rough ground. It also promotes safety and beautiful, evenly-dug beds.


Tires w/ forward/reverse directional control

The tires of a tiller are crucial for balance and security. The tires on the 7055C are large at about 13-inches by 5-inches, and are equipped with both forward and reverse directional control. This gives you a lot of mobility and control over the tiller so it moves smoothly and quickly.

Superior transmission

Without a good transmission, the whole tiller is shot. The Earthquake’s is made of cast-iron and designed for durability. The weight from the transmission also adds balance to the tiller so you can maneuver it better.

Bumper guard

When you’re digging through soil, especially untilled soil, there are a lot of rocks and roots that might come flying out at you. For your protection, this tiller has a triangular steel bumper guard that shields you from flying dirt, rocks, and anything else the tiller digs up.


Too wide for tight spots/corners

16 inches isn’t the widest tilling depth out there, but it’s probably too wide for handling corners or small yards/gardens. There will be missed spots you have to go over, and it will just be awkward to try and maneuver a large tiller around a smaller area. To make the most of this tiller, only get it if your garden area is away from corners and relatively open.

Forward tines not as effective on really hard ground

Forward-rotating tines have their disadvantages. For one, they aren’t as effective in really compact ground. Counter-rotating tines, though harder to push, are really good at working through roots, rocks, and other harsh environments. Forward-rotating tines are also not as good with depth, but with the 10-inches on this Earthquake, it’s better than some comparable counter-rotating tillers.

Overall Review

For an especially smooth and safe tiller, the Earthquake 7055C Briggs and Stratton Rear Tine Rototiller is a solid choice. The standard, forward-rotating tines are easier to work with than counter-rotating tines, and safer. A bumper guard also adds more security and safety, so if you know your yard has rocks and roots that might fly out at you, this tiller will keep you safe. Though forward-rotating tines aren’t quite as effective in really hard ground, the powerful 4-cycle engine and transmission are still able to tackle compact earth that hasn’t been broken yet, and the drag stake helps maintain even depth.