Specifications, Service, and Repair of Farm and Lawn Tractors

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John Deere 6520 Premium Technical Data

JD 6520 Engine Specifications

Engine Model ................... John Deere 6068T 4V-CR
Engine Type ................... 4-Stroke, 6-cylinder turbocharged diesel
Number of Cylinders ................... 6
Displacement, cu in (L) ................... 414.4 (6.80)
Engine Bore, in (mm) ................... 4.19 (106.0)
Engine Stroke, in (mm) ................... 5.00 (127.0)
Aspiration ................... Turbocharged
Rated Engine Power, hp (kW) ................... 121.0 (90.2)
Rated Engine Speed, rpm ................... 2300
Operating Speed Range, rpm ................... 1300-2300
Idle Speed Range, rpm ................... 845-2510
Maximum Torque, Nm (ft-lbs) ................... 494 (364)
Torque Speed, rpm ................... 1700
Compression ................... 17:1
Firing Order ................... 1-5-3-6-2-4
Fuel System ................... Electronic high-pressure common rail
Air Cleaner ................... Dual paper elements
Fuel Tank Capacity, gal (L) ................... 54.7 (207.0)
Oil Capacity, qts (L) ................... 20.8 (19.5)
Coolant Capacity, qts (L) ................... 16.5 (15.5)
Electrical System Rating, Volts ................... 12
Charging System ................... Alternator
Alternator Rating, Amps ................... 115/150

John Deere 6520 Power Take-Off

PTO Operational Type ................... Independent
PTO Horsepower, hp (kW) ................... 97.0 (72.0)
PTO Clutch ................... Electro-hydraulic
PTO Speed, rpm ................... 540/540E/1000
Rear PTO / Engine Speed, rpm ................... 540/2143
Rear PTO / Engine Speed, rpm ................... 540E/1684
Rear PTO / Engine Speed, rpm ................... 1000/2208
Front PTO / Engine Speed, rpm ................... 1000/2185

John Deere 6520 Transmission

Transmission Type ................... PowrQuad Plus
Gearbox Type ................... 24F/24R, partial powershift
Number of Forward Gears ................... 24
Number of Reverse Gears ................... 24
Clutch Type ................... Mechanical/hydraulic
Oil Capacity, qts (L) ................... 55.0 (52.0)
Maximum Forward Speed, mph (kph) ................... 25.0 (40.0)
Maximum Reverse Speed, mph (kph) ................... 25.0 (40.0)

Transmission Type ................... AutoQuad
Gearbox Type ................... 24F/24R
Number of Forward Gears ................... 24
Number of Reverse Gears ................... 24
Clutch Type ................... Electro-hydraulic
Oil Capacity, qts (L) ................... 55.0 (52.0)
Maximum Forward Speed, mph (kph) ................... 25.0 (40.0)
Maximum Reverse Speed, mph (kph) ................... 25.0 (40.0)

Transmission Type ................... AutoPowr IVT
Gearbox Type ................... Infinitely Variable Transmission (IVT)
Number of Forward/Reverse Gears ................... Infinite forward and reverse
Oil Capacity, qts (L) ................... 63.5 (60.0)
Maximum Forward Speed, mph (kph) ................... 25.0 (40.2)
Maximum Reverse Speed, mph (kph) ................... 25.0 (40.2)

JD 6520 Wheels and Tires

Drive Wheels ................... 4WD 4x4
Steering Configuration ................... Front Steer
Steering System ................... Hydrostatic power
Brakes Type ................... Hydraulic wet disc
Front Tire Size ................... 420/70R28
Rear Tire Size ................... 18.4R38

Hydraulics and Hitch

Hydraulic System Type ................... Closed-center with load-sensing control
Hydraulic Pump Type ................... Axial-piston or gear-driven pump
Implement Pump Flow, gpm (Lpm) ................... 25.4 (96.1)
Hydraulic Pressure, bar (psi) ................... 200 (2900)
3-Point Hitch Category ................... 2/3N
Draft Sensing or Lift Control ................... Electronic lower link draft control
Standard Lift Capacity at lift pin, lb (kg) ................... 14590 (6620)

John Deere 6520 Dimensions and Weight

Wheelbase, in (mm) ................... 104.3 (2640)
Length, in (mm) ................... 186.1 (4720)
Height, in (mm) ................... 112.5 (2850)
Overall Width, in (mm) ................... 91.2 (2310)
Ground Clearance, in (mm) ................... 20.5 (520)
Front Axle Load, lb (kg) ................... 8380 (3800)
Rear Axle Load, lb (kg) ................... 14330 (6500)
Weight (Shipping), lb (kg) ................... 11445 (5190)
Weight (Maximum), lb (kg) ................... 18745 (8500)

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JOHN DEERE TRACTORS SPECIFICATIONS

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JOHN DEERE TRACTORS ATTACHMENTS
1023E 2025R 2210 2520 3032E
3046R 3520 4066R 4105 4200
4320 4400 4520 4600 4720
430 420 455 X300 X350
X485 X500 X590 X700 X738

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JOHN DEERE FRONT END LOADERS

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JOHN DEERE TRACTORS MAINTENANCE

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JOHN DEERE TRACTORS TROUBLESHOOTING
2640 3040 3310 3650 4100
5050D 5090R 5410 6105R 7200R
E130 L111 LA110 LT155 X300R

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