Specifications: 3975 Forage Harvester available from Colby & Oakley Implement, KS

 
Specifications: 
MANUFACTURER John Deere
MODEL 3975
Cutterhead  
Diameter 18 in. (45.7cm)
Width 22.7 in. (57.7 cm)
Number of Knives 48
Knife Type small, straight, helical
Knife Size 5.8 x 3.34 in. (14.8 x 8.5cm)
Speed 850 rpm
Power Train  
PTO Speed ---
Horsepower Rating Cat. 5 up to 150 HP; Cat. 6 up to 235 HP
Overload Protection ---
Feedrolls and Housing  
Housing Width 22 in. (55.9 cm)
Feedroll Rise 6 in. (15.2 cm)
Feedroll Opening 132 sq in (852 sq cm)
Upper Feedroll Protection Shear-bolt, slip clutch opt
Lower Feedroll Protection Slip-clutch, direct drive opt
Length of Cut .25 - .5 in. (6 - 13 mm)
Kernel Processor  
Roll Width 24.0 in.
Roll Diameter 8.0 in.
Roll Gap 1.0-8.0 mm
Upper Roll Speed 1940 rpm
Lower Roll Speed 2830 rpm
Blower Fan  
Number of Blades 4
Diameter 32 in. (81.3 cm)
Speed 722 or 1000rpm
Controls  
Tire Size  
Auger  
Diameter 11 in. (27.9 cm)
Speed 392 or 540 rpm
Feedroll Drive  
Gearcase Enclosed
Shift Hydraulic, fwd, neu, rev
Height  
Weight  
   
Specifications are based on published information at the time of publication. Specifications are subject to change without notice. Contact your local John Deere dealer for more information.  
   
Prices are subject to change without notice. Prices are in dollars and only applicable to products sold in the United States. In all cases, current published price lists and incentive program bulletins will take precedence. All trademarked terms, including John Deere, the leaping deer symbol and the colors green and yellow used herein are the property of Deere & Company, unless otherwise noted.