FMM-78 HD Flail Mower/Mulcher

78″ Heavy Duty Flail Mower/Mulcher with 20″ Side Shift and 1,500 grams flails

PTO Shaft IncludedFree Shipping | 2-yr Warranty

Product Size

FMM-64 | FMM-70 | FMM-78

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Victory 2022 Flail Mower Buying Guide

FMM-78 Heavy Duty Flail Mower/Mulcher

New & Improved for 2022 from Victory Tractor Implements!

78″ working width featuring 20″ Hydraulic Side Shift best suited for 35 to 50 HP Tractors.

Working width 78 in., Recommended for 35-50 HP Tractor, ideal for your orchards, vineyards, or similar types of properties.  Mulches branches and saplings up to 2 inches into smaller chips with its 1,500-gram grated flails.

35 to 50 HP recommended Tractor Power with CAT I /  CAT II  3-point hitch. Also available in working width 70″: FMM-70 Heavy Duty Flail Mower/Mulcher

Check out our blog post Everything You Need to Know About Buying a Flail Mower Online to learn more.

Performance features:

20” Hydraulic Side-Shift System.  Professional Heavy-Duty gearbox.  Counter knives installed for superior performance, as well as heavy-duty back tines to mulch branches.

Powered by the PTO shaft (included in purchase) the knives shaft turns at 2,300 RPM cutting all vegetation for fast decomposition.

Safety features:

Electronically balanced knives shaft supports the extra heavy (1,500 gr.) flails for a perfect mowing result.  The professional gearbox lets the knives shaft turn, once the PTO shaft is turned off without transferring its movement to the tractor (avoiding vibration).  The mower’s front is equipped with flaps preventing debris and stones from being thrown out of the machine. Heavy rear roller provides for smooth performance even in rough terrain.


The FMM mowers have easily accessible grease nipples for easy service and height-adjustable skids and support legs for storage. Please make sure the Gearbox is always filled with sufficient oil level. The short and easy service plan in the user manual helps with maintenance and service.


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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Technical Specifications:    FMM-70 & FMM-78

Technical Spec’s.MFZ-70MFZ-78
Working Width70 in.78 in.
Adj. mowing height1 – 3 in.1 – 3 in.
Hydraulic Side Shift20 in.20 in.
Length of hydr, hoses72”/96”72”/96”
Tractor Power recom.30 – 45 HP35 – 50 HP
PTO shaft length40”40”
3-Point HitchCAT I/IICAT I/II
PTO Shaft Speed540RPM540RPM
Drive System3 Belts4 Belts
Flail Shaft Speed2,300 RPM2,300 RPM
Working Effic’ per Hr.1.5-3.0 ac.2.0-4.0 ac.
Flails forged/galv.1500 gr.1500 gr.
Number of Flails1416
Material Top Housing4 mm4 mm
Side Walls6 mm6 mm
Paint (green)Powd’CoatingPowd’Coating
Total Weight838 lb.915 lb.
Dimensions (WxHxD)74x42x42 in80x42x42 in


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FMM Series User Manual (opens in a new tab)

Additional information

Lift Gate Needed

Yes, No (-$75)

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