How much horsepower do you need for a flail mower?

You’ll need a 15 to 35 horsepower tractor to run this 3 point flail mower. It connects using a pto shaft, and thanks to its shear bolt pto shaft, it protects your equipment from damage if the blades hit something tough. For optimal performance, make sure your tractor falls within this HP range and matches the heavy duty gearbox specs.

How high can you cut grass with a flail mower?

This flail mower can handle mowing grass from short lawn-style cuts up to tall grass or even overgrown vegetation. With an adjustable rear roller, you can change the cutting height easily, even on uneven ground, giving you a clean finish across a variety of conditions.

Which is better—a flail mower or a finish mower?

A finish mower is great for well-kept lawns, but a flail mower like this one is more versatile. It’s perfect for tackling small brush, fence lines, and brush mower jobs that a finish mower can’t handle. With its hammer blades and y blades, this model is designed for tougher terrain while still providing a clean look when needed.

Are flail mowers good for rough terrain?

Yes, they’re ideal! The Farmry flail mower is built for smooth operation on uneven ground, ditches, and slopes. It’s perfect for park maintenance, highway mowing, or cleaning up fields. The side plate thickness and hydraulic side shift feature let you maneuver safely and handle rough spots without throwing debris everywhere.

How big of a tree will a flail mower cut?

This mower isn't meant for large trees but can easily handle small brush and woody weeds up to about 1 inch thick. It's more effective than a rotary mower or brush hog for mulching smaller material cleanly, thanks to its mower features and key features like hammer blades and a heavy duty gearbox.

Can you use a flail mower on wet grass?

Yes, but it’s best to mow when it’s dry if possible. That said, the design supports smooth operation, and the working width allows efficient cutting, even in slightly wet areas. The overall width and stability of the flail mower also help avoid clumping, especially with park maintenance or highway mowing work.

Farmry 45" Light Duty Flail Mower 3-Point Hitch 15-35 Rear Attached - farmry

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SKU: 101102C | Model: LFS45

3 Point 45" Flail Mower, PTO Powered 15-35HP Mowing Attachment for Category 1 Tractors, LFS45

Name: 3 Point 45" Flail Mower, PTO Powered 15-35HP Mowing Attachment for Category 1 Tractors, LFS45
Brand: farmry
SKU: 101102C
Price: 1699.0 USD
Availability: InStock
Rating: 4.78 (9 reviews)

$1,699.00

$1,899.00

Save $200

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EST. 11-14 Business Days Delivery

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Optional Working Width: 45 in

45 in 53 in 61 in

Availability: In Stock

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12-Month warranty included

4.6★ Verified Customer Reviews

U.S.Based Support

Product Overview

The Farmry 45 in Light Duty Flail Mower, designed for 15-35 HP tractors, is ideal for cutting grass and weeds in parks, green spaces, and uneven terrain, offering reliable mowing performance.

With a 45-inch cutting width and multiple cutting height options, this mower provides versatility for various mowing tasks. Its rear-mounted design ensures smooth maneuverability, while safety features like the closed hood help protect the operator by minimizing debris exposure. The included Cardan Shaft delivers efficient and smooth power transmission, making this flail mower ideal for both professional landscapers and private landowners.

Product Manual

LFS Series product manual v1.0

Product Features

Cutting heights ranging from 1 to 3 inches：Choose from cutting heights ranging from 1 to 3 inches, with additional options for 1.2 inches, 2.2 inches, and 2 inches (Y blades), making it easy to adjust for different grass lengths and terrains.
45-inch Cutting Width: Provides efficient coverage for mowing grass, clearing small thickets, and handling overgrown vegetation.
Rear-Mounted: Securely attaches to 15-35 HP tractors using a 3-point hitch (Category I), offering stability and easy control during operation.
16 Hammers: Deliver precise and consistent cutting, reducing vegetation into fine mulch that helps naturally enrich the soil.
Powered by a 540 RPM PTO: Ensures smooth power delivery for tackling tougher mowing conditions.
Closed Hood Design: Enhances operator protection by controlling debris spread and preventing particles from scattering.
Easy Belt Tension Adjustments: Prolongs the life of the belt and ensures optimal performance.
Centralized Greasing System: Simplifies maintenance by providing easy access for lubrication, ensuring the mower stays in top working condition with minimal effort.
2-Belt Design: For smoother power transmission and reliable performance during heavy use.
Weighing 370 lbs: This mower offers the right balance of stability and maneuverability, making it a great fit for compact and utility tractors.
30 HP Cast-Iron Gearbox: Provides long-lasting durability, while the free-wheel system helps prevent damage during sudden stops.
Versatile Terrain Application: Optimized for parkland, green spaces and undulating terrain with superior mowing performance.
Freewheel-Protected Gear Assembly: Freewheel-integrated cast iron gearbox ensures shutdown protection.
Impact-Resistant Dual-Layer Housing: Double-walled reinforced housing.
Fixed Blade Shredding System: Stationary counter-blade configuration achieves 360° material fragmentation.
High-Torque Flail Cutting Unit: Reinforced flail rotor with 0.75in max cutting capacity.
Standardized Hitch Connectivity: Category I three-point hitch compatibility with ASABE QUICK ATTACH certification.

specifications

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Reviews & Questions

Needed a light flail for my 24-horse Massey, and the LFS45 checked the boxes. Cutting width is perfect for orchard rows and the hammer blades leave a neat mulch line behind the tires. Farmry’s tech crew answered my PTO-shaft questions the same afternoon I emailed—nice touch. Crate showed up in Alabama five days after payment, though the carrier scuffed one corner of the paint. Took about an hour to finish assembly, grease the zerks, and top off gear oil. All told, solid value for a compact-tractor rig.

Running this mower on a 30-HP Kubota for pasture cleanup. It chews through tall fescue without bogging, and the adjustable rear roller keeps scalping down. Price is fair versus other brands, and I liked that Farmry threw in the extra belt kit and spare shear bolts. Only gripe: the manual’s photos are tiny, so lining up the three-point pins took some trial and error. Customer service overnighted clearer PDFs when I asked. Two weeks in, fuel use looks low and I’d buy it again.

Budget was tight, so the LFS45’s bang-for-buck mattered. Freight hit Iowa sooner than quoted and the lift-gate service saved me wrestling the pallet. Blades spin smooth, vibration stays low once the rotor balanced out. Noticed a light gearbox seep after the first hour, but snugging the sight-glass bolts fixed it and Farmry even included extra oil. Parts desk pre-scheduled a spare seal just in case—nice follow-through. For small-acreage folks who want tidy grass and brush, this unit pulls its weight.

I like that this mower doesn’t clog easily even in damp conditions. We had a few mornings with wet grass and it powered through better than I expected. You do need to keep an eye on the rear roller buildup though. It’s light enough that I can hook and unhook it solo.

I’ve used larger mowers before, but this 45" model surprised me with how nimble it is. It gets around posts and trees easily and doesn’t leave uncut strips. Belt access is decent when it comes time for a check. Not fancy, but reliable. Pretty happy for the price.

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Overall Length	29 in	Gearbox HP	30
Overall Width	51 in
Overall Height	27 in	Number of Hammers	16
Working Width	45 in	PTO Speed	540 rpm
Transmission: RPM Rotor speed	1867	Tractor Power Range	15-35 HP
A (Rotor: diameter)	φ3 x 0.31 in	Belts Quantity	2
B (Rotation diameter of the cutting edge)	12 in	Belt Tension Adjustable	Manual
C (Distance from the center of the rotor to the top of the inner side of the hood)	6 in	Weight (PTO Shaft Included)	370 lbs
D(Rear roller: diameter)	φ4.02 x 0.16 in	3-point Linkage	CAT I
		Gearbox Oil Type	SAE90 EP Gear Oil
V ft/s	94	Packing sizes	53 x 27 x 28 in
Openable maintenance door	NO	Packaging weight	425 lbs
RAM	NO