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Bobcat DT20 Dethatcher

Take charge of the toughest dethatching tasks with Bobcat® dethatchers. With three powerful models to choose from, you’ll efficiently dethatch and overseed an area of up to 18,700 square feet per hour. Easily tackle even the largest dethatching projects with Bobcat dethatchers. Built with durable components that are gentle on turf and boasting the trusted power of Honda® engines, these dethatchers allow you to efficiently complete any job.

35.5 in.


50.0 in.


44.0 in.


Bobcat DT20 Dethatcher

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Bobcat DT20 Dethatcher Specs & Add-Ons

Key Specifications

Built-In Versatility Confidently choose the right setup for any dethatching job with a choice of a flail blade for power raking or four optional fixed blade reels.
Reliable Power Harness the power of a Honda engine – packing 4.8 hp in the DT18 model and 11 hp in the DT19 and DT20 models – and tackle even the most challenging dethatching projects.
Buildup Prevention Keep your DT18 model running smoothly with the specially designed bubble shield that prevents debris buildup and minimizes downtime.
Efficient Transport Easily transition between modes with a transport lift lever that allows for quick engagement and disengagement of the transport mode.
High Germination With its unique slit seeding disc delivery, the DT20 model boasts a germination rate of over 90%, ensuring a lush and rejuvenated lawn.
Turf-Friendly Tires The DT20 model’s turf tires are designed to deliver improved traction and stability – without damaging the turf.


Drive 4L-Section V-Belt to Front Wheels by Gear Box and Sealed Roller Chain • Triple 3V-Section V-Belts Engine to Reel
Cutting Depth Seeding and Fixed Blades: Up to 0.25 in. (6 mm) Below Ground
Blade Adjustment Micrometer Screw; Adjustable up to 1.25 in. (32 mm) for Blade Wear
Productivity Single Pass: 80%; 18,700 sq. ft./hr.
Seeding System Seed is dropped directly into soil slits via seed delivery tube and covered in soil by disc system
Seed Hopper Capacity 40 lb
Included Blade Reel Seeding Blade
Max Reel Speed 3,200 rpm
Depth Adjustment Microscrew adjustment; adjustable up to 1.25 in (32 mm) for blade wear
Max Seeding Blade Depth 0.2 in
Max Fixed Blade Depth 0.2 in
Seeding Blade Type (10) 8 point, high carbon, heat treated blades, 2 in (51 mm) spacing
Flail Blade Type 1/8 in (3 mm) hardened, high-carbon steel blades at 1 in (25 mm) spacing
Fixed Blade Type Hardened, high-carbon steel blades:1/32 in (1 mm) at 1/2 in (13 mm) spacing1/32 in (1 mm) at 1 in ( 25 mm) spacing1/16 in (2 mm) at 1 in (25 mm) spacing 1/16 in (2 mm) at 1 1/2 in (38 mm) spacing
Honda Engine 4-Cycle GX390
Engine Displacement 23.7 in³
Horsepower 11.7 hp
Fuel Capacity 1.6 gal


Overall Width 35.5 in.
Operating Width 19.0 in.
Weight 376 lb.
Overall Length 50.0 in.
Overall Height 44.0 in.
Bobcat of Indy