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390 FLAIL MOWER

Offset 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



View Product Brochure



Features



Heavy-duty gearboxHeavy-duty gearbox
PTO drive shaftPTO 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.

Side-slicer knivesSide-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.
RotorRotor

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.
3-point hitch on 360 Flail Mower3-point hitch on 360 Flail Mower
3-point hitch on 370 and 390 Flail Mowers3-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.
  • 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


Compare the specifications of up to 4 models

Key Specs 390-flail-mower
Current Model
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 widthCentered
Centered
Offset
Offset 0.3 or 0.7 m
12 or 26 in.
2.3 m
90.5 in.
Cutting height13 to 127 mm
0.5 to 5 in.
Hood thickness4.8 mm
0.19 in.
Blades
Number168 (84 pairs)
TypeHeat-treated Reversible Side-slice (Optional Smooth-cut Cupped Knives)
Tip speed
Rotor
Speed1,850 rpm
Diameter114 mm
4.5 in.
Drives
PTO540 rpm
Gear case (cont. rating)
Belts2-section 5VX-2 notched
Gauge roller140 mm
5.5 in.
Tractor HP Required
Minimum22 kW
30 hp
Maximum56 kW
75 hp
3-Point Hitch
Dimensions
Overall width2.5 m
99 in.
Overall height0.99 m
39 in.
Overall length1 m
40 in.
Weight

Accessories and Attachments

Reviews

4

1 reviews

Rating Snapshot

12
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1
4
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5
5

great mower

4/5

works the best on high tough weeds have been cutting 6' plus mustard flower weed and star thistle, i'm trying not to push the mower to much because my tractor is to much for this mower it's a 6140D 140 hp dont want to over heat the right angle gear box so far seems to do great, might try the single curved edge cutters once i have a handle on the weeds, i'm new to this tractor and mower, I've mowed for years with a 6' rotory mower and a 60 hp JD before this.

Pros

  • mulches the weeds well

Cons

  • none

mechanic

From: California, USA

Length of Ownership: 1month

Usage Frequency: Daily

Level of Expertise: Expert

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