2026 John Deere Ag FC15M 

2026 John Deere Ag FC15M

With an expansive line of flex-wing and rigid rotary cutters, John Deere can equip you with the right model for your operation. Property owners, agricultural producers, commercial operators, and municipal contractors across the country rely on John Deere rotary cutters to overcome the most challenging ground conditions. And so should you.

Homesteads

Our popular Frontier™ RC20 Series rotary cutters offer property owners fast, reliable mowing and trimming along with budget-friendly pricing. Frontier rotary cutters are built for your homestead—choose from four models ranging from 48 inches (121 cm) to 84 inches (213 cm). They attach and detach with ease and deliver the rugged performance needed to mow material up to 2 inches (5.08 cm) in diameter. Frontier RC20 Series come with a 2-year warranty and 6-year gearbox warranty.

Tall grasses, weeds and brush

Featuring a sturdy double-deck design and consistent material flow, Medium-Duty Series rotary cutters tackle tall grasses, tough weeds, and brush with stems up to 2 inches (5.08 cm) in diameter. We offer five M Series rotary cutters—three single-spindle and two multi-spindle—ranging in size from 5 feet (1.52 m) to 10.5 feet (3.2 m).

Livestock and property maintenance

For livestock operations and high-maintenance properties, Heavy-Duty RC R rotary cutters provide a double-deck design with thicker steel, stronger bearings, and heavier drive components compared to RC M Medium-Duty rotary cutters. We offer five single-spindle RC M models, ranging in size from 5 feet (1.52 m) to 10.5 feet (3.2 m), for mid-duty applications, cutting brush up to 2 inches (5.08 cm) in diameter. For heavier-duty needs, RC R models include four multi-spindle options from 10.5 feet (3.2 m) to 13.7 feet (4.2 m), and single-spindle models like the RC6R and RC7R, capable of cutting brush up to 4 inches (10.16 cm).

Farms and roadsides

The Flex Cutter Series offers different models for tough farm conditions and grueling roadside work. The E Series is designed for homesteads and light ag producers, while the M Series is suited for larger property owners and ag producers. The R Series is built for commercial and municipal mowing.

Features may include:

Tough Durable Drivetrain for the Most Difficult Conditions

John Deere FC series rotary cutters are built to handle the most difficult mowing conditions such as small shrubs, tall, thick grass and weeds, stalks and thick brush. These rotary cutters can mow material up to 4 inches in diameter with features such as:

• Up to 186.4 kw (250 hp) gearboxes; optional on M-spec, standard on R-spec
• 7.62-cm (3-in.) output shafts on 186.4 kw (250 hp) gearboxes
• Main Drivelines built for tight tractor turns
• Slip Clutches standard on all John Deere FC series
• 2.54-cm (1-in.) blade carriers standard
• Ladder frame chassis design with 7.62x7.62 cm (3x3 in.( tubing is standard
• 7-Gauge steel deck on R-spec cutters with smooth top for strength and easy cleaning

Quality of Cut

You want to be proud of the way the job looks whether you are mowing along a road, mowing a pasture, or mowing around your house. The John Deere line of flex-wing cutters has these key features that will ensure you can take pride in a job well done:

• Thick, heat-treated, high suction blades: These blades are designed to withstand tough conditions and provide a clean cut.
• High blade-tip speed: This allows you to mow faster without sacrificing cut, saving you time and effort, especially when covering large areas.
• Tall deck height: Ensures even, streak-free material dispersal by allowing optimal airflow.
• Optional 540 or 1000 RPM PTO speeds available; Offers flexibility to match your mowing and equipment needs.
• Many blade combinations: Customize your mower to handle different mowing conditions.

Job Efficiency

The FC Flex Wing Rotary Cutter helps you make the most of both time and money. With wide cutting widths available from 12 ft. to 20 ft., you can mow large areas quickly.

• Reduce Passes: The 5-inch overlap ensures you make fewer passes, saving time and fuel.
• Increase Mowing Speed: Easily mow under trees without exposing the tractor cab, allowing for faster operation.
• Confidence in Tough Conditions: The wing’s front tube lets you run over saplings without worry.
• Adaptability: Adjust your cutting height on the fly from the cab to navigate obstacles effortlessly.

Safety

For protection to the operator and surrounding area, all John Deere flex-wing rotary cutters are equipped with chains and lights as standard in all models.

Front and rear safety chains

Chain Shields offer Safety and efficiency in several cutting conditions.

• Enhanced Safety: Protects the operator and surrounding area from debris.
• Cut Efficiency: Allows uncut material to pass into the cutting chamber with minimal restriction.
• Customizable Protection: Add extra rows of chain shields to the front, back, or both sides for increased protection.
• Durability: Built to withstand tough conditions.

Lighting kit

For increased visibility all cutters come standard from the factory with lights. Lights comply with U.S. regulations on implements wider than 3.05 m (10 ft).