Features
NSK BRAND SHAFT BEARINGS
NSK
is a leading bearing and motion control manufacturing company founded in Tokyo,
Japan in 1916. Today NSK has several plants around the world including England,
Germany, USA and Switzerland and by far one the best quality bearings available
on the market today. Although these bearings are very costly, we feel that in
an application with high load and dynamic forces such as a flail mower that
such high quality bearings are required. These bearings are noticeably
smoother, quieter, and cooler running than any competitor and far superior to
any no-name brand. Some inferior bearings contain plastic interior ball cages
that are susceptible to breakage from shock loads. Poor material and tolerances
generate excessive heat that translates into premature bearing failure and even
belt wear as the heat travel to the pulleys and the belts. All bearings are not
created equal, and this is a feature that should not be overlooked when
shopping for a flail mower.
OVERALL WIDTH 
79.5"
CUTTING WIDTH
74"
WEIGHT
804 LBS. (mower weight only) PTO shaft weighs an additional 39 lbs.
Shipping weight 1000lbs.
HP REQUIREMENTS
30-65 PTO horse power
CUTTING HEIGHT
3/4" - 3-3/4" Adjustable to meet various height
requirements
DECK PLATE MATERIAL THICKNESS
4 Gauge .25" structural Q235 roll formed steel for
durability.
SIDE PLATE THICKNESS
1/4" .250" Structural Q235 roll formed steel for durability.
BLADE TYPE 
Duckfoot or reversible Y-blades. Our duckfoot blades are 40cr, alloy structural steel. (American standard, AISI/SAE/ASTM steel no: 5140) and forged to a tapered wedge shape to avoid material buildup on the blades. Each blade weighs 1.85 lb. (cast steel is much more durable than cast iron) competitors use flat face blades. Side by side comparison of WoodMaxx exclusive duckfoot design: The reversible Y-blades are made from .33" 60si2mn, spring steel, (American standard: A29m) formed, heat treated, and quenched in oil and weigh 1.75 lb. each. Use the duckfoot blades for clearing saplings (1" diameter or less), and the Y-blades for grasses.
NUMBER OF BLADES
22 Duck-foot or 44 Y- blades w/ 22 ctr blades between the Y (WoodMaxx exclusive)
PRECISION BLADE OVERLAP
The blades are staggered precisely with no gap in the mowing
area. Blade overlap is important to achieve an even cutting result.
HINGED REAR GATE
This allows for easy inspection, cleaning, blade changing, and
maintenance of your machine. The rear gate can also be left open for easier
discharge in heavy conditions, or you can close the gate to greater
mulching.
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
4.25"- Heavy duty 5/16" wall tubing for long life.
BALANCED ROTOR TUBE
The rotor tube is balance to reduce vibration and ensures that
the mower runs smooth, and reduces wear on the bearings.
BALANCED CAST IRON PULLEYS
The V-belt pulleys are heavy duty cast iron and balance to
eliminate vibration, and run smooth.
ROTOR SWING DIAMETER - 13.5"
Large swing so that the blades build required inertia.
ROTOR SHAFT SPEED
2160 RPM
BLADE SPEED
128 ft./sec - High tip speed = efficiency to cleanly cut
material
HITCH TYPE
Category 1 standard 3 point or category 1 quick hitch - will
attach to any cat 1- 3 point hitch and will also work with cat 1 quick
hitch (except John Deere I-Match)
HYDRAULIC SIDE-SHIFT OFFSET
Shifted left (36"L/43"R), shifted right (22.5"L/57"R). This feature allows for variable offset from the center to the
right of the tractor. This feature is helpful for mowing around fences,
buildings, walkways, etc. Total offset can reach 18". NOTE: Requires rear hydraulic remotes on tractor. We cannot supply these if your tractor does not already have them, they must be dealer or factory installed.
(Hose ends that connect to the tractor are fitted with 1/2-14 NPTF threads, you will have to provide the corresponding fittings to complete the connection to your tractor.)
DRIVE BELTS
3 Total B-series USA gates
"truflex" - we use only USA made gates belts on our flail mowers for long life. (Easy to find SAE standard belt size BX39)
DRIVE BELT TENSIONER
Solid state automatic - this
feature automatically adjust the belt tension so you don't have to worry about
slippage or overworking the belts. This feature greatly increases the belt
life.
PTO SPEED
540 ONLY
GEARBOX RATING
Up to 55 hp. heavy duty proven oil bath gearbox for long life.
GEARBOX TYPE
Cast iron 540 RPM with internal
over-running clutch - when the PTO shaft is disengaged the built in over
running clutch allows the PTO shaft to stop turning while the gearbox and rotor
shaft slow down gradually. This is an important feature, without it, the
gearbox will slam to a halt when the PTO is disengaged, causing stress to the
gearbox and your tractor. This feature should not be overlooked when shopping
for a mower.
REPLACEABLE SKID SHOES
The skid shoes reduce gouging
are bolt on so you can adjust or replace them easily when the time comes.
DRIVE-LINE / PTO SHAFT
1-3/8" 6 spline w/slip clutch.
GREASEABLE SHIELDED BEARINGS
Accessible greasable bearings
for easy maintenance.
REAR HEIGHT ADJUSTING ROLLER DIAMETER
5.25" With tapered ends - this
roller contacts the ground to ensure even cutting height. The ends of this
roller are rounded to eliminate gouging when turning corners. A scraper bar
ensures that mud and debris buildup is cleaned off as you go.
POWDER COAT FINISH
The rust resistant baked on
powder coat finish is more durable than conventional paint to keep your machine
looking good for years.
WARRANTY - 2 YEARS
A robust machine with an equally
robust warranty.
SERVICE
At WoodMaxx our service department is staffed with professional
certified 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.
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FM-78H Flail Mower 
