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 4×4
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)