John Deere 388

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  • Adjust windrow width to meet drying requirements 
  • Flotation
  • Impeller conditioner for thorough conditioning 
  • The 388 Mower-Conditioner can easily be moved to transport or field position
  • Simple to operate platform controls
  • Rotary disc cutterbar for cutting in tough conditions


Manufacturer John Deere
Model 388 Twin Rear-Mounted Mower-Conditioner
PTO speed  1,000 rpm 
HP 1000 rpm 1-3/4 in. PTO  With 131 Front-Mounted Mower-Conditioner: 147 kW  (190 hp)
Type  Rotary  
Cutting width  With 131 Front Mounted Mower-Conditioner: 8.7 m (28.6 ft)
Cutting height  3-8 cm (1.2-3.2 in.)
Number of disks  8 per unit  
Number of knives  16 per unit  
Disk speed  2,986 rpm 
Disk drive  Gear  
Lubrication  GL-5 gear lubricant  
Oil reservoir capacity  2.25 L (0.59 U.S. gal.)
Cutterbar oil check  Fill plug  
Cutterbar angle  Adjustable  
Angle adjustment  Tractor center link  
Cutterbar protection  Shear shaft  
Conditioner  ---  
Impeller Width 264 cm (104 in.)
Number of V-tines  54 per unit  
Number of speeds  Two  
Drive  Belt and sheaves  
Conditioner hood  Adjustable  
Tractor hookup  
Standard hitch  Tractor 3-point  
Dimensions  ---  
Overall Width Transport:  3.1 m (10.1 ft)
Weight with impeller conditioner  2,986 kg (6,583 lb)
Are wrenches required for adjusting?  
Float  Yes