390Offset Flail Mower
- Adjustable cutting height
- Available with a 12 or 26-inch offset
- Heavy-duty gearbox and drive shaft
- Reliable, heavy-duty HC section belts
Features
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Heavy-duty gearbox
PTO drive shaft
Side-slicer knives
Rotor
Heavy-duty hood and end plates
3-point hitch on 360 Flail Mower
3-point hitch on 370 and 390 Flail Mowers
Heavy-duty gearbox and drive shaft
Heavy-duty gearbox
PTO drive shaft
All John Deere flail mowers feature this rugged, heavy-duty gearbox with a continuous 65-hp rating and an intermittent 90-hp rating. Another feature included is a five-year, unlimited-hour warranty.
Base equipment side-slicer knives or optional smooth-cut knives available
Side-slicer knives
Base equipment side-slicer knives are good all-purpose knives. They provide aggressive cutting action in tough conditions.
The side-slicer knife characteristics are as follows:
- Knives are made of heat-treated alloy steel for durability.
- Individual knife weight, along with the centrifugal force created, provides an aggressive cutting action.
- Edges are ground to provide a sharp cutting surface and reduced horsepower requirements.
Rotor
Smooth-cut knives can be ordered as an option:
- Smooth-cut knives utilize the same mountings as the side-slicer knives.
- These optional knives are good for grassy, weedy conditions and are self-cleaning.
- Knives can also be resharpened for added wear life.
Heavy-duty hood and end plates
Heavy-duty hood and end plates
The hood and end plates are designed for heavy-duty applications:
- Hood is made of 0.48-cm (0.188-in.) thick steel to resist denting and wear.
- End plates are made of 0.64-cm (0.250-in.) thick steel to provide structural support and resistance to side thrusts.
- Full-length torque tube helps prevent twisting when operating on uneven ground.
Tractor hookup
3-point hitch on 360 Flail Mower
3-point hitch on 370 and 390 Flail Mowers
All machines have a Category 2/1 3-point hitch. Bushings or reversible pins are included for Category 2/1 compatibility.
The 360, 370, and 390 Mowers with centrally mounted hitches are suited for normal cutting conditions:
- 360 Mower is compatible with quick-coupler Category 1 only.
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370 and 390 Mowers are compatible with quick-coupler Category 1 and 2.
The 390 Mower with a 30.5-cm or 66-cm (12-in. or 26-in.) hitch offset to the right is ideal for trimming along walls, buildings, trees with low-lying branches, fences, or orchards.
Specifications
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| Specifications | ||||
|---|---|---|---|---|
| Select up to 4 models to compare specifications | John Deere 390 Offset Flail Mower |
Key Specs
| Cutting width | ||||
|---|---|---|---|---|
| Cutting height | ||||
| Blades - Number | ||||
| Blades - Type | ||||
| Rotor - Diameter | ||||
| PTO | ||||
| Tractor horsepower required - Minimum | ||||
| Tractor horsepower required - Maximum | ||||
| Quick-coupler compatible | ||||
| Weight - Approximate |
Machine
| Cutting width | Centered Centered Offset Offset 0.3 or 0.7 m 12 or 26 in. 2.3 m 90.5 in. |
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|---|---|---|---|---|
| Cutting height | 13 to 127 mm 0.5 to 5 in. |
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| Hood thickness | 4.8 mm 0.19 in. |
Blades
| Number | 168 (84 pairs) | |||
|---|---|---|---|---|
| Type | Heat-treated Reversible Side-slice (Optional Smooth-cut Cupped Knives) | |||
| Tip speed |
Rotor
| Speed | 1,850 rpm | |||
|---|---|---|---|---|
| Diameter | 114 mm 4.5 in. |
Drives
| PTO | 540 rpm | |||
|---|---|---|---|---|
| Gear case (cont. rating) | ||||
| Belts | 2-section 5VX-2 notched | |||
| Gauge roller | 140 mm 5.5 in. |
Tractor HP Required
| Minimum | 22 kW 30 hp |
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|---|---|---|---|---|
| Maximum | 56 kW 75 hp |
3-Point Hitch
| Quick-coupler compatible | Yes (Category 1 and 2) |
|---|
Dimensions
| Overall width | 2.5 m 99 in. |
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|---|---|---|---|---|
| Overall height | 0.99 m 39 in. |
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| Overall length | 1 m 40 in. |
Weight
| Approximate | 495 kg 1,093 lb |
|---|
Additional information
| Date collected |
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Accessories and Attachments
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Rubber deflector
Miscellaneous
Rubber Deflector Shield for Rear Mounting - BP16368
Rubber deflector
A full-length rubber deflector is available as an attachment. It directs dirt, dust, and objects downward for safer operation.
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Maintenance and Support
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Images of equipment models may be digitally or AI generated, are for illustration purposes only, and are subject to change. Equipment models shown are typically base models and may not reflect the actual product, features, options, or attachments. Equipment availability may be limited. See your John Deere dealer for additional information.