Specifications: 520 available from Potestio Bros Equip, CO

 
Specifications: 
MANUFACTURER John Deere
MODEL 520
Power Requirements  
    Tractor PTO hp range Minimum 120
    Tractor RPM 1000
    Gear case (hp) ---
Knives  
    Number of knives 248 side slicer (124 pairs)
    Knife dimensions (in.) 0.31 x 2.5
    Knife mounting system Bracket and D-ring
    Type Alloy steel, hardened with vanadium carbide and reversible
    Knives overlap (in.) 1.07
    Tip speed (mph) 139
Rotor  
    Rotor speed (rpm) 2000
    Rotor diameter (in.) Square rotor (7 x 7)
    Rotor bearing Double-row, barrel-type, triple-sealed, 2-year warranty
    Bearing size (in.) 1/11/2016
Drivetrain  
    Belts Kevlar, 3/5V heavy-duty
    PTO drivelines (in.) 1-3/4 and 1-3/8
Mainframe  
    Hitch Drawn or Integral (Cat. 3 or 3N Quik-Coupler required)
    Hood thickness, in. ---
    Safety deflector Rubber deflector
    Gauge wheels 4 (Drawn), 2 (Integral); infinitely adjustable
    Warning lights Integral (standard), Drawn (optional)
Cutting capacity  
    Cutting width (in.) 20-ft.
    Cutting height (in.) 10-Mar
Dimensions  
    Transport width (in.) 7-ft. 10-in. endwise (Drawn); 21-ft. 3-in. (Integral)
    Transport length (in.) 24-ft. 1-in. endwise (Drawn); 7-ft. 10-in. (Integral)
    Weight (lb.) 5,000
Optional equipment  
    Easy transport Available
    Constant velocity joint driveline Available
    Skid shoes Available