FH-D Super Heavy Duty Trail Cutter/Flail MOWER


SKU: FH-D120, FH-D140, FH-D160, FH-D180, FH-D200, FH-D220

find your tractors pto hp here

2 year warranty with optional 4 years

working width

Working Width

55" - 86"

powered by pto power

Powered By:

Tractor PTO
35- 80 HP

hammer blades

Comes with 5 lbs Blades


Suitable for:

Brush up to 5" thick

Select flail mower Below to Purchase

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Usage Video:

Description for flail mower:

The “D” series flail mulchers are super heavy duty mowers designed for large areas, with heavy vegetation and/or brush. Areas like roadsides, orchards, fields, woods, roads, and trails. Perfect for clearing and maintaining the more rugged landscape areas that include heavy grasses, debris, sticks, vines, branches, and other wooded materials.

The Farmer-Helper “D” series flail mulchers are designed for dual duty. Be it cutting the field or clearing the brambles this mulcher flail can handle the task. With a standard flail mower, the material you are cutting may not be retained under the deck before it is expelled down on the ground. If you are dealing with brush and branches sometimes the material comes out from under the deck before it is fully mulched. With the “D’s” brush rakes you can keep the material in the mulching chamber longer.

If you have a 25 HP Tractor with Hydrostatic, you can run our FH-D120. A quote from one of our employees in charge of testing,

"It is possible to use a very heavy mulching flail on a sub-compact tractor. What I commonly call a riding lawn mower on steroids. It actually worked very well. The only issue was when going up a steep hill I had to put weight in the front loader bucket so I could steer. About a 6% grade hill".

The FH-D120 on a LS 25Hp tractor with Hydrostat.

Key Features:

  • Structural Q235 roll formed robot cut and fitted steel for durability and quality.
  • 5lbs hammers 5 1/2" wide forged tool steel hammer blades cut/chop up to 5" diameter weeds & brush.
  • 16" blade swing provides fast blade tip cutting speed for faster mowing. 150 feet per second.
  • 6" balanced blade holder tube for smooth operation and long bearing life.
  • Balanced steel V-Belt pulley to eliminate vibration.
  • Dual Cat-I/II quick hitch comparable 5/16 inch steel tube 3-point hitch both fixed and slip top pin.
  • Offset from center to get mower past your tractor with hydraulic adjustment for mowing near and/or around objects.
  • Multiple tuff V-belts provide positive drive to the blades and external belt tighten make maintenance quick and easy.
  • Replaceable side skids assist with anti-scalping and reduce surface gouging.
  • Bearings are easily accessed for greasing and zerts are shielded from damage.
  • Full-width rear roller with minimum cutting height adjustment from 1/2" to 4".
  • Roller has tapered ends to eliminate gouging when turning corners. Roller has a scraper bar to remove buildup mud and debris as you mow.
  • Powder coat finish keeps your mower looking good for years as it is more rust resistant and durable than a spray finish.
  • Adjustable/Removable brush rakes keep branches in the mulching chamber longer.


Overall Width: The D series has an overall width of 55″ to 95″ depending on the size of the unit.

Cutting Width: The D series has a tilling width of 47″ to 87″ depending on the size of the unit.

Weight: The D series has a weight of 1205 lbs to 1720 lbs depending on the size of the unit.

HP Requirements at PTO: The D series requires 30 - 80 PTO horsepower depending on the size of the unit.

Cutting Height: The D series has a 0" - 6" Adjustable to meet various height requirements

Housing Material Thickness: The D series has a housing of Reinforced 8 gauge.

Side Plate Thickness: The D series has a side plate thickness of 5/16".

Blade Type: The D series uses a heavy-duty hammer blade. Each hammer blade weighs 5lbs made of cast steel (cast steel is much more durable than cast iron). Use the hammer blades for clearing saplings (5" diameter or less).

Number of Blades: The D series uses 12 - 20 hammer blades, depending on the size of the unit.

Precision Blade Overlap: On the D series the blades are staggered precisely with no gap in the mowing area. Blade overlap is important to achieve an even cutting result.

Rotor Rotation - Reverse: The rotor spins in the opposite direction as the wheels of the tractor when traveling forward. This allows the blades to shear the material as it is folded forward by the mowers. The material is then thrown up and over the rotor.

Rotor Tube Diameter: 5 1/2"- Heavy-duty steel tubing for long life.

Balanced Rotor Tube: The rotor tube is balanced to reduce vibration and ensures that the mower runs smooth, and reduces wear on the bearings.

Rotor Swing Diameter: 16" Large swing so that the blades build required inertia.

Hitch Type: Category 1 or 2, standard 3-point.

Offset From Center Mount: This feature allows for an offset from center to the right of the tractor. This feature is helpful for mowing around fences, buildings; walkways, etc. From the center of the PTO, the mower extends 14" to 66" depending on the size of the unit.

Drive Belts: The D series uses 4 belts.

Gearbox Rating: The D series is rated 65 to 80 hp, depending on the size of the unit. Heavy-duty proved oil bath gearbox for long life.

Driveline / PTO Shaft: Shear Bolt PTO Shaft for Standard 1-3/8” 6-Spline PTO

Finish: Baked-on powder coat, powder coat is superior to paint.

Warranty: 2-year parts warranty with an optional 2-year extension.

Support Before and After the Sale: At Betstco our service department is staffed with professional technicians that inspect each machine before it is shipped. This ensures that you get a trouble-free machine from the get-go. When you need technical help or parts, our courteous staff can help you get what you need from our fully stocked warehouse. We keep a full line of replacement parts, and we can ship parts within 24 hours.


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