John Deere 388 Rear Mount Mower-Conditioner

  • Adjust windrow width
  • Rotary disc cutterbar
  • Simple to operate platform controls


+ The 388 Mower-Conditioner can easily be moved to transport or field position

+ Flotation

+ Impeller conditioner for thorough conditioning

+ Adjust windrow width to meet drying requirements

+ Rotary disc cutterbar for cutting in tough conditions

+ Simple to operate platform controls

Online Brochures

Power requirements

PTO speed1,000 rpm
HP 540 rpm PTO 
HP 1000 rpm 1-3/8 in. PTO 
HP 1000 rpm 1-3/4 in. PTOWith 131 Front-Mounted Mower-Conditioner: 147 kW
190 hp
Powerline type 
Hydraulic pressure required 


Cutting widthWith 131 Front Mounted Mower-Conditioner: 8.7 m
28.6 ft
Cutting height3-8 cm
1.2-3.2 in.
Number of disks8 per unit
Number of knives16 per unit
Disk speed2,986 rpm
Knife tip speed 
Disk driveGear
LubricationGL-5 gear lubricant
Oil reservoir capacity2.25 L
0.59 U.S. gal.
Cutterbar oil checkFill plug
Cutterbar angleAdjustable
Angle adjustmentTractor center link
Angle range 
Cutterbar protectionShear shaft
Adjustable gauge shoes 


264 cm
104 in. Number of V-tines
54 per unit Number of speeds
Belt and sheaves Conditioner hood

Tractor hookup

Standard hitchTractor 3-point
Ball joint equal angle hitch 
Rockshaft swivel hitch 
Drawbar swivel hitch 


Overall widthTransport
3.1 m
10.1 ft
Overall length 
WeightWith impeller conditioner
2,986 kg
6,583 lb
Standard tires 


Are wrenches required for adjusting?Float

Additional information

Date collected