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John Deere
FL1045S
Flail Mowers and Shredders

John Deere FL1045S

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Hydraulic Side Shift for Hard-to-Reach Areas

The FL10S Series model comes standard with hydraulic side shift, giving operators the ability to slide left of center 21.5 in. (54.6 cm) and fully extended up to 83 in. (210.8 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.
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
Durability and Versatility

The Frontier™ FL10S Series Flail Mower combines rugged durability for cutting brush with the finesse to leave turf grass looking polished. Its versatility allows operators to tackle diverse tasks from ditches to hedgerows without switching implements, saving time while protecting the tractor by clearing rough material on the first pass.

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
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Dimensions
Cutting Capacity

0.79 in.

Cutting Capacity

2 cm

Cutting Height

0.78/1.57/2.36 in.

Cutting Height

2/4/6 cm

Overall Height

38.7 in.

Overall Height

98.3 cm

Overall Length

71.2 in.

Overall Length

180.9 cm

Cutting Width

45 in.

Cutting Width

114.3 cm

Overall Width

52.32 in.

Overall Width

132.9 cm

Weight

592 lb.

Weight

268.5 kg

Compatibility
Minimum Tractor Power Required

15 hp

Minimum Tractor Power Required

11.2 kW

Maximum Tractor Power Required

45 hp

Maximum Tractor Power Required

33.6 kW

Minimum Tractor Weight

2600 lb.

Minimum Tractor Weight

1179.3 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: 21.5 in. (54.6 cm); Fully extended: 68 in. (172.7 cm)

Hydraulic Offset

Standard

Blades
Blade Type

Hammers (standard); Y-Blade (service)

Number of Hammers

24

Type of Blades/Hammers

19/21

Blade Tip Speed

8622 fpm

Blade Tip Speed

2628 m/min

Rotor
Rotor Diameter

5 in.

Rotor Diameter

12.7 cm

Rotor Speed

2600 rpm

Rotor Thickness

0.31 in.

Rotor Thickness

8 mm

Rotor Work Diameter

12.63 in.

Rotor Work Diameter

32.1 cm

Rotor Bearing Type

Spherical Roller 22207

Drives
Gearbox Speed

540 rpm

Drive Belts

2 - SPB Lp=1160

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

0.16 in.

Side Frame Thickness

4 mm

Roller Bearing Diameter

2.4 in.

Roller Bearing Diameter

6.1 cm

Rear Roller Bearing Type

D30 D62 B20 2206E 2RS1

Belt Adjustment

Screw adjustment

Primary Pulley Diameter

8.9 in.

Primary Pulley Diameter

225 mm

Secondary Pulley Diameter

5.5 in.

Secondary Pulley Diameter

140 mm

Hood Height

15.35 in.

Hood Height

39 cm

Side Case Height

25.2 in.

Side Case Height

64 cm

PTO Yoke Height

19.29 in.

PTO Yoke Height

49 cm