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Features

Hammer Blades for a Range of Conditions

Close‑up of a black forged steel flail mower hammer featuring a rectangular cutting edge and a circular mounting hole, shown on a white background

The FL10 Series models come standard with hammer blades. These are great all-purpose durable blades, providing aggressive cutting for tougher conditions while also delivering a high-quality cut on maintained fields.

Side Shift to Cut Hard-to-Reach Areas

Rear view of tractor mowing tall grass along a fence line with a rear‑mounted mower attachment.

The FL12 Series comes standard with mechanical side shift, giving it the ability to slide left of center (11- 33 in. [27.9-83.8 cm]) and right of center. Side shift is ideal for trimming along walls, buildings, trees with low-lying branches, fences, or orchards, making those hard-to-reach areas an easy cut.

Built With Durability and Versatility

Rear view of a cab tractor using a flail mower attachment on a grassy hill in front of a yellow field and long, side-less farm building

The Frontier™ FL12 Series Flail Mower combines rugged durability for brush cutting with the finesse to leave turf grass looking polished. Its versatility allows operators to tackle diverse tasks from ditches to hedgerows with a single implement, reducing downtime and protecting tractors by clearing rough material on the first pass.

Specifications

Rotor

Rotor Diameter5.5 in.
Rotor Diameter14 cm
Rotor Speed2354 rpm
Rotor Thickness0.39 in.
Rotor Thickness10 mm
Rotor Work Diameter16.29 in.
Rotor Work Diameter41.4 cm
Rotor Bearing TypeSpherical Roller 21309

Compatibility

Minimum Tractor Power Required35 hp
Minimum Tractor Power Required26.1 kW
Maximum Tractor Power Required80 hp
Maximum Tractor Power Required59.7 kW
Minimum Tractor Weight3750 lb.
Minimum Tractor Weight1701.8 kg
Center of Gravity (COG)27 in.
Center of Gravity (COG)68.6 cm

Hitch

Hitch Type3-point
iMatch CompatibleNo
Hitch Category1
Hitch PositionOffset
Hydraulic OffsetOption

Drives

Gearbox Speed540 rpm
Drive Belts3 - SPB Lp=1320
Gauge Roller Diameter6.62 in.
Gauge Roller Diameter16.8 cm

Dimensions

Cutting Capacity1.57 in.
Cutting Capacity4 cm
Cutting Height1.18/1.96/3.14 in.
Cutting Height3/5/8 cm
Overall Height33.8 in.
Overall Height85.9 cm
Overall Length46 in.
Overall Length116.8 cm
Cutting Width62 in.
Cutting Width157.5 cm
Overall Width68.1 in.
Overall Width173 cm
Weight1030 lb.
Weight467.2 kg

Miscellaneous

Frame Thickness0.16 in.
Frame Thickness4 mm
Side Frame Thickness0.31 in.
Side Frame Thickness8 mm
Rear Roller Bearing TypeD40 D80 B23 62208 2RS2
Belt AdjustmentScrew adjustment
Primary Pulley Diameter8.9 in.
Primary Pulley Diameter225 mm
Secondary Pulley Diameter6.3 in.
Secondary Pulley Diameter160 mm
Hood Height19.68 in.
Hood Height50 cm
Side Case Height24.4 in.
Side Case Height62 cm
PTO Yoke Height18.9 in.
PTO Yoke Height48 cm

Blades

Blade TypeHammers (standard)
Number of Hammers16
Type of Blades/Hammers8/10
Blade Tip Speed10039 fpm
Blade Tip Speed3059 m/min