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John Deere
FL1272S
Flail Mowers and Shredders

John Deere FL1272S

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Roller with Adjustable Cutting Heights

The roller can be adjusted into three different cutting height positions (low, medium, and high). These adjustments can help prevent blades from digging into the soil with changing conditions. Even in rough terrain, the roller can help achieve a smooth performance.

Roller with Adjustable Cutting Heights
Durability and Versatility

The Frontier™ FL10 Series Flail Mower combines rugged durability for brush cutting with the finesse to leave turf grass looking polished. Its dual-purpose design eliminates the need to switch implements, letting operators tackle everything from ditches to hedgerows efficiently while protecting the tractor by clearing rough material on the first pass.

Side view of a green tractor operating a rear-mounted flail mower in a grassy field, with farm buildings and open countryside visible under a partly cloudy sky
Hammer Blades for a Range of Conditions

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.

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
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Dimensions
Cutting Capacity

1.57 in.

Cutting Capacity

4 cm

Cutting Height

1.18/1.96/3.14 in.

Cutting Height

3/5/8 cm

Overall Height

45 in.

Overall Height

114.3 cm

Overall Length

91.4 in.

Overall Length

232.2 cm

Cutting Width

72 in.

Cutting Width

182.9 cm

Overall Width

94.92 in.

Overall Width

241.1 cm

Weight

1484 lb.

Weight

672.9 kg

Compatibility
Minimum Tractor Power Required

40 hp

Minimum Tractor Power Required

29.8 kW

Maximum Tractor Power Required

105 hp

Maximum Tractor Power Required

78.3 kW

Minimum Tractor Weight

5300 lb.

Minimum Tractor Weight

2404.1 kg

Center of Gravity (COG)

54.7 in.

Center of Gravity (COG)

138.9 cm

Hitch
Hitch Type

3-point

iMatch Compatible

No

Hitch Category

2

Hitch Position

Offset

Offset Range

Left of center: 13.5 in. (34.3 cm); Fully extended: 115 in. (292.1 cm)

Hydraulic Offset

Standard

Blades
Blade Type

Hammers (standard); Y-Blade (service)

Number of Hammers

22

Type of Blades/Hammers

8/10

Blade Tip Speed

10039 fpm

Blade Tip Speed

3059.1 m/min

Rotor
Rotor Diameter

5.5 in.

Rotor Diameter

14 cm

Rotor Speed

2354 rpm

Rotor Thickness

0.39 in.

Rotor Thickness

10 mm

Rotor Work Diameter

16.29 in.

Rotor Work Diameter

41.4 cm

Rotor Bearing Type

Spherical Roller 21309

Drives
Gearbox Speed

540 rpm

Drive Belts

3 - SPB Lp=1320

Gauge Roller Diameter

6.62 in.

Gauge Roller Diameter

16.8 cm

Miscellaneous
Hydraulic Quick Coupler Size

0.5 in.

Hydraulic Quick Coupler Size

1.3 cm

Frame Thickness

0.16 in.

Frame Thickness

4 mm

Side Frame Thickness

0.31 in.

Side Frame Thickness

8 mm

Roller Bearing Diameter

3.15 in.

Roller Bearing Diameter

8 cm

Rear Roller Bearing Type

D40 D80 B23 62208 2RS2

Belt Adjustment

Screw adjustment

Primary Pulley Diameter

8.9 in.

Primary Pulley Diameter

225 mm

Secondary Pulley Diameter

6.3 in.

Secondary Pulley Diameter

160 mm

Hood Height

19.68 in.

Hood Height

50 cm

Side Case Height

24.4 in.

Side Case Height

62 cm

PTO Yoke Height

23.62 in.

PTO Yoke Height

60 cm