Victory FMHDH-78 Heavy Duty Flail Mower with Side Shift

FMHDH-78, Tractor Power: 45 to 70HP, Working width: 78” with 18″ Side Shift

PTO Shaft IncludedFree Shipping | 2-yr Warranty

Product Size

FMHDH-64 | FMHDH-70 | FMHDH-78 | FMHDH-86

In Stock Spring 2023

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Victory 2022 Flail Mower Buying Guide

FMHDH-78 Heavy Duty Flail Mower with 18″ Hydraulic Side Shift

New & Improved for 2022 from Victory Tractor Implements!

Our new heavy-duty flail mower is designed to provide professional cutting of virtually any vegetation such as grass, heavy undergrowth, and tree prunings. This Mower is equipped with high quality 1,200 gr. flails. 

The FMHD-H connects to your tractor by a CAT II 3-point hitch. Your tractor should have a PTO performance of 45 to 70HP. The PTO shaft speed needs to be 540RPM. The maximum Side shift is 18″.

NOTE: Requires rear hydraulic remotes on your tractor (Hose ends that connect to the tractor are fitted with 1/2-14 NPTF quick connect fittings).

Materials and workmanship are of the highest quality. Therefore, your purchase includes a 2 years warranty and shipping is free to your location and delivered from a liftgate truck (lower 48 States).


2022 models feature rugged construction, an extra heavy-duty gearbox, a spiral flail shaft, and a hinged rear gate. The spiral rotor shaft with staggered flails achieves a superior cutting result. The electronically balanced shaft reduces vibration, provides for smooth running, and reduces the wear on the bearings.

The hinged rear gate allows for easier cleaning, flail replacement, and general maintenance. The closed gate provides for additional mulching and the open gate allows for easier disposal of the mowed material.

While the tractor’s PTO speed should be 540 RPM, the mower turns at 2,150 RPM. The CAT II 3-point hitch fits most quick hitches. The mower can be off-set from the center depending on the mounting of the 3 point hitch.

When shifting to the left you can extend up to 42″ from the center of your tractor. When shifting to the right you can extend up to 56″ from the center of your tractor. This feature is helpful for mowing around fences, buildings, walkways and other hindrances. The maximum offset can reach 18″


Gearbox allows the mower to turn independently once the PTO (tractor) stops moving.  The front of the mower has a protection guard to prevent material to be thrown out. The heavy-duty construction of the mower’s box is designed for maximum protection.



Partially assembled machines do not contain any fuel, oil or other fluids or grease needed for operation! BEFORE USING THE MACHINE please carefully read the user manual.


Call Victory Tractor at (562) 534-8182 to place your order today!


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Victory Tractor Implements

Proud supporters of the FFA

Working Width70 in.78 in.86 in.
Total Weight1,095 lb.1,235 lb.1,375 lb.
Tractor Power40 – 65 HP45 – 75 HP50 – 90 HP
PTO Speed (cw)540 RPM540 RPM540 RPM
PTO Shaft length40”40”40”
Drive System4 Belts4 Belts4 Belts
Flail Shaft Speed2,150 RPM2,150 RPM2,150 RPM
Number of Flails161820
Flails (forged/galv.)1,200 grams1,200 grams1,200 grams
Working Effic’ per Hr.1.2-2.5 ac.1.3 – 3.0 ac.1.5 – 3.5 ac.
Dimensions (WxHxD)74x37x42 in82x37x42 in90x37x42 in
Maximum Side Shift18″18″18″
Material Top Housing4 mm4 mm4 mm
Side Walls6 mm6 mm6 mm
Paint (yellow/green)Powder CoatPowder CoatPowder Coat
Shipping Crate (LxHxW)79x39x24 in87x39x24 in95x39x24 in


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FMHDH Series User Manual (opens in a new tab)

Additional information

Lift Gate Needed

Yes, No (-$75)

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