8520 Tractor (255 hp)
8520 Tractor (255 hp)
  • 8.1 L PowerTech™ engine delivers up to 43 percent torque rise and as much as 13 percent power bulge....more
  • 16-speed PowerShift transmission allows speeds ranging from 1.2 to 26 mph....more
  • Standard Automatic PowerShift provides automatic shifting to maximize field performance in changing conditions....more
  • New John Deere Independent Link Suspension™ (ILS) provides unparalleled front axle performance....more
  • NEW - MFWD added as an option to 8520....more
  • John Deere Active Seat™ provides smoothest ride in the industry....more
  • Exclusive CommandARM™ module puts all major tractor functions in the palm of your hand....more
  • 8020 Series tractors are GreenStar™ ready to take advantage of John Deere precision farming....more
  • Inboard planetary final drives deliver tremendous strength and smooth power flow....more

MANUFACTURER John Deere
MODEL 8520 Tractor (255 hp)
Official Test Nebr. OECD 1801, Summary #367 (2002)
Engine
     Manufacturer John Deere
     Aspiration Turbo & Air-to-Air Aftercooled
     Cylinders/Displacement, cu. in. (liters) 6/496 (8.1)
     Cylinder Liners Wet
          Standard 160 (606)
Performance
     Advertised PTO HP (kW) @ Rated RPM 255 (190) @ 2200
     Official PTO HP (kW) @ Rated RPM --
          @ Standard PTO @ Eng RPM 256.49 (191.26) @ 2200
          Maximum @ Eng RPM 292.88 (218.40) @ 2002
     Advertised Engine HP (kW) @ Rated Speed ---
     Max Unballast Drwbr HP (kW) @ Eng RPM 256.36 (191.17) @ 2002
     Maximum Torque (PTO) @ RPM, lb-ft (Nm) 922 (1250) @ 1301
     Max Torque Rise (80% Rtd Spd) @ Eng RPM 36.0% @ 1800
     Maximum Torque Rise % (PTO) @ Eng RPM 50.7% @ 1301
Fuel Use, U.S.Gal/hr & HP hr/gal at:
     PTO @ Rated Eng RPM 14.97 (56.68) & 17.13 (3.37)
     Standard PTO Speed @ Eng Speed 14.97 (56.68) & 17.13 (3.37)
     Maximum PTO Power @ Eng RPM 16.11 (60.97) & 18.18 (3.58)
     Maximum Engine Power @ Eng RPM 14.95 (56.59) & 15.06 (2.97)
     Max Unballasted Drawbar Power@Eng RPM 14.95 (56.59 & 15.06 (2.97)
     75% Load, Full Engine RPM (Unballasted) 12.47 (47.20) & 14.10 (2.78)
     75% Load @ Reduced RPM (Unballasted) 10.52 (39.82) & 16.69 (3.29)
Transmission
     Std Transmission; Forward/Reverse PowerShift 16/4 w/APS
     On-the-Go Shifting (Yes/No/Partial) Yes
     Clutch; Wet/Dry Hydraulic Wet Disk
     Creeper No
Power Take-Off (PTO)
     Standard Independent 1000 rpm
     Speeds @ RPM 1000 @ 2179
     Control Electrohydraulic
Hydraulics
     Type Closed Ctr. - Pres. & Flow Compen.
          Standard 33.5 (127)
          Optional 42.5 (161)
     Rated Flow @ One SCV, GPM (L/min) 34.3 (129.8) w/std. pump
     Max Output @ SCV Couplers, GPM (L/min) 43.8 (165.8) w/opt. pump
     Maximum Operating Pressure, PSI (kPa) 2900 (20,000)
     Maximum Hydraulic Power, HP (kW) 56.8 (42.3)
     Draft Control Type Electrohydraulic
     Remote Control Valves Available 4 Std - 3 & 5 Opt.
     Hitch Category (SAE Designation) 4
          Standard 15,180 (6884)
          Optional 17,300 (7846)
Final Drive
     Type Inboard Planetary
     Differential Controls Electrohydraulic
          Front & Rear Rear Only
     Engage On-the-Go Rear Differential Lock Yes
Operator Station
          Gearshift Location - Console/Floor Right-Hand Armrest
          Doors 1- Left-Hand
          dB(A) Rating 73.7
          Seat Suspension System Air std. / Active Seat optional
2WD Dimensions 2WD & MFWD axles Not optional
MFWD Dimensions Indep. Link Suspension Dimensions:
     Wheelbase, in. (mm) 117.7 (2991)
     Front Tread Range, in. (mm) 60-88 (1516-2230)
     Front Axle Clearance, in. (mm) 25.0 (635)
     Turning Radius w/o Brakes, ft. (m) 19.4 (5.9)
     Limited Slip Differential Hydraulic
     Approx. Ship Wgt, lb. (kg) Open; Cab 23,050 (10,455)
4WD Dimensions
Standard Tires
     MFWD Indep. Link Suspension only
          Front none
          Rear 18.4R46
Miscellaneous
     Inboard Planetary Yes
     Axle Type Bar
     Brakes - Type and Control Wet Disk Power
     Country of Manufacture Waterloo, IA U.S.A.
     *Notes None
Specifications subject to change. Please contact your local dealer for more detailed information.