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John Deere
FL1163S
Flail Mowers and Shredders

John Deere FL1163S

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Versatility and Durability

The Frontier™ FL11S Series Flail Mower combines the toughness to cut brush with the finesse to leave turf grass looking polished. Its dual-purpose design handles everything from ditches and hedgerows to pond edges and turf, letting operators tackle diverse tasks efficiently without switching implements.

Rear view of a green tractor operating a flail mowing attachment on a grassy hillside, cutting a path through tall vegetation and weeds under a clear blue 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
Side Shift Hydraulically for Hard-to-Reach Areas

The FL11S Series comes standard with hydraulic side shift, giving operators the ability to slide left of center 12 in. (30.5 cm) and fully extended up to 100 in. (254 cm), all from the seat of their tractor. 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.

Rear view of tractor pulling a mower attachment through tall grass along a gravel path, with cut vegetation visible in the foreground.
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Dimensions
Cutting Capacity

1.18 in.

Cutting Capacity

3 cm

Cutting Height

0.98/1.96/2.99 in.

Cutting Height

2.5/5/7.6 cm

Overall Height

39 in.

Overall Height

99.1 cm

Overall Length

79.5 in.

Overall Length

201.9 cm

Cutting Width

63 in.

Cutting Width

160 cm

Overall Width

77.16 in.

Overall Width

196 cm

Weight

936 lb.

Weight

424.6 kg

Compatibility
Minimum Tractor Power Required

45 hp

Minimum Tractor Power Required

33.6 kW

Maximum Tractor Power Required

75 hp

Maximum Tractor Power Required

55.9 kW

Minimum Tractor Weight

3700 lb.

Minimum Tractor Weight

1678.3 kg

Center of Gravity (COG)

45.6 in.

Center of Gravity (COG)

115.8 cm

Hitch
Hitch Type

3-point

iMatch Compatible

No

Hitch Category

1

Hitch Position

Offset

Offset Range

Left of center: 12 in. (30.5 cm); Fully extended: 94.5 in. (240 cm)

Hydraulic Offset

Standard

Blades
Blade Type

Hammers (standard); Y-Blade (service)

Number of Hammers

22

Type of Blades/Hammers

18/20

Blade Tip Speed

8937 fpm

Blade Tip Speed

2723.4 m/min

Rotor
Rotor Diameter

5 in.

Rotor Diameter

12.7 cm

Rotor Speed

2278 rpm

Rotor Thickness

0.31 in.

Rotor Thickness

8 mm

Rotor Work Diameter

15 in.

Rotor Work Diameter

38.1 cm

Rotor Bearing Type

Spherical Roller 22207

Drives
Gearbox Speed

540 rpm

Drive Belts

3 - SPB Lp=1320

Gauge Roller Diameter

5.5 in.

Gauge Roller Diameter

14 cm

Miscellaneous
Hydraulic Quick Coupler Size

0.5 in.

Hydraulic Quick Coupler Size

1.3 cm

Frame Thickness

0.12 in.

Frame Thickness

3 mm

Side Frame Thickness

0.2 in.

Side Frame Thickness

5 mm

Roller Bearing Diameter

2.835 in.

Roller Bearing Diameter

7.2 cm

Rear Roller Bearing Type

YAR 207-2FW/VA201

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

18.89 in.

Hood Height

48 cm

Side Case Height

24.01 in.

Side Case Height

61 cm

PTO Yoke Height

23.62 in.

PTO Yoke Height

60 cm