
25A Flail Mower
- John Deere
- Flail Mowers & Shredders
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Key Features & Specs
- Adjustable cutting height
- Uses a heavy-duty gearbox with a rating of 65 hp
- Compatible with any Category 1 3-point hitch
- Cutting Width 6 ft. 6 in. (1.98 m)
- Hitch Category Cat. 1 & Cat. 2
- PTO HP 30 – 75 hp (22 – 56 kW)

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36 flail-knife rotor provides uniform distribution of pulverized material
Rotor and knives
A three-bank, counterbalanced rotor is equipped with 36 individually replaceable knives:
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Rotor revolves at 1850 rpm to produce a 152.9-km/h (95-mph) blade-tip speed for a clean cut.
- Knives are arranged on the rotor to provide uniform distribution of material across the full cutting width.
- Knives pivot at their mounting points to minimize damage if an obstruction is hit.
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Tractor hookup
Tractor hookup
The 25A hitch is now compatible with any Category 1 3-point hitch (with or without the iMatch™ Quick-Coupler system).
iMatch compatibility starts with serial number 644700.
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Adjustable cutting height
Roller
The roller can be set at four different cutting heights, from 1.3 cm to 12.7 cm (1/2 in. to 5 in.) The tractor's 3-point hitch upper link is used to regulate the cutting height between these positions.
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Power take-off (PTO) drive shaft and gearbox
Heavy-duty gearbox
PTO drive shaft
All mowers use a heavy-duty gearbox with a continuous rating of 65 hp.
The power is transmitted through fully shielded, telescoping drive shafts with quick-attach and detach characteristics for easy hookup.
3-Point Hitch
Quick-coupler compatible | Yes (Category 1 and 2) |
Blades
Number | 72 (36 pairs) |
Type | Smooth-cut, cupped-type |
Dimensions
Overall length | 1 m 40 in. |
Overall height | 0.99 m 39 in. |
Overall width | 2.53 m 99 in. |
Drives
PTO | 540 rpm |
Belts | Single HC section |
Gauge roller | 140 mm 5.5 in. |
Machine
Hood thickness | 3.2 mm 0.125 in. |
Cutting width | Centered Centered 1.98 m 78 in. |
Cutting height | 13 to 127 mm 0.5 to 5 in. |
Rotor
Speed | 1,850 rpm |
Diameter | 114 mm 4.5 in. |
Tractor HP Required
Maximum | 56 kW 75 hp |
Minimum | 22 kW 30 hp |
Weight
Approximate | 278 kg 612 lb |
