Sundown Heavy-Duty Flail Mower | FM Series | Cutting Width 39" - 87" | 30-60 HP | For Tractors

Product Description

Sundown Heavy-Duty Flail Mower | FM Series | Cutting Width 39" - 87" | 30-60 HP | For Tractors

DESCRIPTION

Built for landowners, farmers, and contractors who demand clean cuts and rugged reliability, the Sundown Flail Mower delivers professional-grade vegetation control across pastures, orchards, roadsides, and fields. Designed for 30–60 HP tractors, this mower uses a high-speed rotor spinning at 2,083 RPM to pulverize grass, weeds, brush, and crop residue into fine mulch. Its hydraulic side shift allows precise trimming around fences, trees, and edges, while the rear roller and adjustable cutting height (1"–3.5") ensure smooth, even results. With multiple widths from 39" to 87", Cat 1 & 2 compatibility, and a reinforced powder-coated frame, Sundown flail mowers are built to work harder, last longer, and leave your land looking professionally maintained.

Key Features

• Heavy-Duty Flail Rotor engineered to spin at 2,083 RPM, delivering superior mulching performance that leaves grass, weeds, and brush finely chopped and evenly dispersed.
• Wide Cutting Width Options ranging from 39 inches to 87 inches, allowing operators to match mower size perfectly to tractor horsepower and property size.
• 30–60 HP Tractor Compatibility makes this flail mower ideal for compact and utility tractors used in farming, landscaping, orchard maintenance, and roadside management.
• Hydraulic Side Shift Standard enables smooth right-side offset cutting for trimming under fences, trees, and obstacles with precision and reduced operator effort.
• Cat 1 & Cat 2 Hitch design ensures quick attachment to a wide range of tractors, increasing versatility across different fleets and work environments.
• High-Strength Flail Knives or Hammers available in multiple configurations to tackle light grass, heavy weeds, or dense brush with consistent cutting results.
• Rear Roller System stabilizes the mower during operation, improves ground contour following, and produces a clean, uniform finish across uneven terrain.
• Adjustable Cutting Height from 1 inch to 3.5 inches allows operators to fine-tune results for grooming, pasture topping, or aggressive vegetation control.
• PTO Shaft Included with standard 540 RPM operation ensures reliable power transfer and hassle-free setup right out of the crate.
• Reinforced Steel Frame with durable powder-coated orange finish resists corrosion, impacts, and harsh outdoor conditions for long service life.
• Multiple Belt Drive System absorbs shock loads during heavy cutting, protecting the gearbox and extending overall machine durability.
• Side Depth Skids help maintain consistent cutting height while protecting the mower housing when working in rough or uneven ground conditions.
• Balanced Rotor Assembly minimizes vibration, improves operator comfort, and allows higher productivity during long mowing sessions.
• Ideal for Multiple Applications including pasture maintenance, orchard rows, vineyard lanes, roadside mowing, and property cleanup tasks.
• Optional Manual Side Shift Jack available for operators who prefer mechanical adjustment while retaining full cutting performance and reliability.

Detailed Specifications

Specification FM-100 FM-130 Required Tractor Power 30–60 HP 30–60 HP Cutting Width 39" 51" Overall Width 45" 57" Weight 660 lbs 806 lbs Hitch Type Cat 1 / 2 Cat 1 / 2 Flail Knives 24 32 Hammers 12 16 Side Shift Fixed 12" Rotor Speed 2,083 RPM 2,083 RPM Rotor Diameter 6.25" 6.25"

 

Specification FM-145 FM-160 Required Tractor Power 30–60 HP 35–60 HP Cutting Width 57" 63" Overall Width 64" 70" Weight 854 lbs 907 lbs Hitch Type Cat 1 / 2 Cat 1 / 2 Flail Knives 36 40 Hammers 18 20 Side Shift 12" 12" Rotor Speed 2,083 RPM 2,083 RPM Rotor Diameter 6.25" 6.25"

 

Specification FM-175 FM-205 Required Tractor Power 40–60 HP 45–60 HP Cutting Width 69" 80" Overall Width 76" 88" Weight 955 lbs 1,060 lbs Hitch Type Cat 1 / 2 Cat 1 / 2 Flail Knives 44 52 Hammers 22 26 Side Shift 12" 12" Rotor Speed 2,083 RPM 2,083 RPM Rotor Diameter 6.25" 6.25"

 

Specification FM-220 Required Tractor Power 50–60 HP Cutting Width 87" Overall Width 93" Weight 1,113 lbs Hitch Type Cat 1 / 2 Flail Knives 56 Hammers 28 Side Shift 12" Rotor Speed 2,083 RPM Rotor Diameter 6.25"

 

Manuals & Documents

• Product Brochure
• Product Manual
• Product Part List

General Warranty Info:

• Ripping It Outdoors works closely with our manufacturers to supply and support your products warranty needs as best as possible!
• The majority of products come with a manufacturer represented warranty against manufacturing defects for at least a 12 month period after the date of sale.
• Expendable components and "wear parts" including but not limited to blades, knives, teeth, oil, chain sprockets, skid shoes, knife mounting discs, and similar components are usually excluded from manufacturer warranties.
• Please reach out to us for any specific warranty information needed about products and parts you can’t find!

Videos

Shipping

General Shipping Info:

• Instantly calculate shipping quotes to the lower 48 states by 1. adding this product to your cart, 2. click continue to the checkout page and 3. enter your shipping address to check rates. Contact us for quotes for shipping to Hawaii, Alaska, Canada, Mexico and Internationally.
• Complimentary lift gate service on all freight shipments where it’s possible. We guarantee safe delivery!
• Low shipping rates for customers. We have negotiated the best possible rates for customers from our trusted carriers (ODFL, ESTES, UPS, and FedEx).
• Negotiate shipping rates if you think we can do better please reach out. Keep in mind some shipping rates also include assembly & configuration as well!