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Harrington
(302) 398-3729
325 Walt Messick Road
Harrington, Delaware 19952
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John Deere RC78B Rotary Cutter

New Products / John Deere / John Deere Products / Construction Equipment / Construction Attachments / RC78B Rotary Cutter

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Features

More Control Using Advanced Features

Front left view of a 317G compact track loader in the woods with front-attached RC72B rotary cutter, clearing shrubs and sticks from a muddy clearing

John Deere rotary cutters efficiently clear brush and hardwoods up to 10 in. (25.4 cm) in diameter, featuring a hydraulic valve that halts blade rotation within seconds. They also offer enhanced durability and performance through a direct-drive bearing, protective motor cover, and an optional blade load pressure gauge.

Overload Protection With Pressure Gauge

Close-up view of a gray pressure gauge nestled with cables inside a metal protective cage.

Equipped with a highly visible pressure gauge, the rotary cutter prevents overheating and overloading by allowing operators to monitor blade load. This feature is designed for continuous productivity with reduced stalling instances.

Cut in Both Directions With the Triple Bi-Directional Blade Design

Underside of a rotary cutter, with chain shield across the top and three rectangular blades spaced out in the center

The triple bi-directional blade design helps to balance for smooth operation and cutting efficiency. Blades are made of 0.75-in. (19-mm) thick high-grade steel and allow the operator to cut in both directions.

Specifications

Cutting

Cutting Width1981.2 mm
Cutting Width78 in.
Minimum Cutting Height50.8 mm
Minimum Cutting Height2 in.
Cutting Capacity (Maximum Tree Diameter)101.6 mm
Cutting Capacity (Maximum Tree Diameter)4 in.

Rotary Cutter

Weight616.89 kg
Weight1360 lb.
Overall Height609.6 mm
Overall Height24 in.
Overall Width2082.8 mm
Overall Width82 in.
Overall Length2387.6 mm
Overall Length94 in.
Deck Thickness6.35 mm
Deck Thickness0.25 in.

Hydraulics

Minimum Hydraulic Flow56.78 L/min
Minimum Hydraulic Flow15 gpm
Maximum Operating Pressure24131.5 kPa
Maximum Operating Pressure3500 psi

Blades

Number of Blades3
Blade Thickness19.05 mm
Blade Thickness0.75 in.

Vehicle Compatibility

Hydraulic Connection12.7-mm (0.5 in.) quick-connect couplers
Compact Track Loader317G, 325G, 331G, 333G
Skid Steer Loader330G, 332G