Key Features

Safety First

Safety is our number one priority. Signage, object detection, and connectivity measures make the M220-AV a trusted crew member.

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Large-Scale Autonomous Mowing

Designed from the ground up for large-scale autonomous mowing, the 21-ft M220-AV has undergone many years of manned and driverless field testing.

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Every Minute Matters

The M220-AV has countless features to save time, including driverless mowing, on-the-fly adjustments, and reduced maintenance.

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High Performance Finish Quality

The M220’s front-mounted electric decks are meticulously engineered to achieve finish mowing quality, at speeds up to 10 mph (16 kph).

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Comfortable Cab

Mow in comfort, whether you are teaching the robot mower a new path or doing a manual pass, with an even more comfortable cab, a clear 360-degree view, and ergonomic controls.

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Easy to Maneuver and Tow

When driving the M220-AV to teach paths, you'll appreciate this mower's tight turning radius and ergonomic handling. And when it's time to move it between fields, all you need is a 1-ton pickup.

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Durable, Top-Tier Components

We engineer durability into our machines in every place we can, because we believe in building equipment that provides a strong ROI for many years to come.

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Autonomous Eligibility

If you're interested in how the FireFly M220-AV autonomous mower might fit into your operations, here's a look at the steps to determine if it's a good fit.

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Width of Cut

20’11” (638 cm)


25 acres/hr

Mowing Speed

10 mph (16.1 kph)

Transport Speed

14 mph (22 kph)

Cutting Decks

(3) electric rotary

Turning Radius

20′ (610 cm)

Fuel Tank Capacity

60 gal (227 liters)

Wheel Base

130.5″ (331 cm)

Front Track Width

90″ (229 cm)

Rear Track Width

88″ (224 cm)


125 hp JCB turbo

Mower Length
Decks Up: 21’4″ (650 cm)
Decks Down: 20’4″ (620 cm)
Mower Width
Decks Up: 21’9″ (663 cm)
Decks Down: 8’1″ (246 cm)
Mower Height
Decks Up: 9’5″ (287 cm)
Decks Down: 8’9″ (267 cm)
Mower Weight
Decks Up: Tire Carried 10,900 lbs (4,944 kg)
Decks Down: Total 16,600 lbs (7,257 kg)