John Deere 25A Flail Mower
Flail Shredders
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Features
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Hitch Category: Cat. 1 & Cat. 2
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Cutting Width: 6 ft. 6 in. (1.98 m)
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PTO HP: 30 – 75 hp (22 – 56 kW)
Specifications
3-Point Hitch - Quick-coupler compatible: |
Yes (Category 1 and 2) |
Blades - Number: |
72 (36 pairs) |
Blades - Type: |
Smooth-cut, cupped-type |
Dimensions - Overall height: |
0.99 m 39 in. |
Dimensions - Overall length: |
1 m 40 in. |
Dimensions - Overall width: |
2.53 m 99 in. |
Drives - Belts: |
Single HC section |
Drives - Gauge roller: |
140 mm 5.5 in. |
Drives - PTO: |
540 rpm |
Machine - Cutting height: |
13 to 127 mm 0.5 to 5 in. |
Machine - Cutting width: |
Centered Centered 1.98 m 78 in. |
Machine - Hood thickness: |
3.2 mm 0.125 in. |
Rotor - Diameter: |
114 mm 4.5 in. |
Rotor - Speed: |
1,850 rpm |
Tractor HP Required - Maximum: |
56 kW 75 hp |
Tractor HP Required - Minimum: |
22 kW 30 hp |
Weight - Approximate: |
278 kg 612 lb |
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.
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.
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.
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.