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John Deere 7420 Technical Data

John Deere 7420 Engine Specifications

Engine Model ................... John Deere 6068HF475 PowerTech
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) ................... 135.0 (100.7)
Rated Engine Speed, rpm ................... 2100
Operating Speed Range, rpm ................... 1300-2100
Idle Speed Range, rpm ................... 850-2250
Maximum Torque, Nm (ft-lbs) ................... 610 (450)
Torque Speed, rpm ................... 1500
Compression ................... 17:1
Firing Order ................... 1-5-3-6-2-4
Fuel System ................... Injection pump
Air Cleaner ................... Dual paper elements
Fuel Tank Capacity, gal (L) ................... 54.7 (207.0)
Oil Capacity, qts (L) ................... 22.2 (21.0)
Coolant Capacity, qts (L) ................... 29.6 (28.0)
Electrical System Rating, Volts ................... 12
Charging System ................... Alternator
Alternator Rating, Amps ................... 115/150

JD 7420 Power Take-Off

PTO Operational Type ................... Independent
PTO Horsepower, hp (kW) ................... 115.0 (85.8)
PTO Clutch ................... Electro-hydraulic
PTO Speed, rpm ................... 540/1000
Rear PTO / Engine Speed, rpm ................... 540/2143
Rear PTO / Engine Speed, rpm ................... 1000/2185
Front PTO / Engine Speed, rpm ................... 1000/2185

John Deere 7420 Transmission

Transmission Type ................... PowrQuad
Gearbox Type ................... 16F/16R, partial powershift
Number of Forward Gears ................... 16
Number of Reverse Gears ................... 16
Clutch Type ................... Mechanical/hydraulic
Oil Capacity, qts (L) ................... 59.2 (56.0)
Maximum Forward Speed, mph (kph) ................... 19.0 (30.6)
Maximum Reverse Speed, mph (kph) ................... 19.0 (30.6)

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) ................... 59.2 (56.0)
Maximum Forward Speed, mph (kph) ................... 24.8 (39.9)
Maximum Reverse Speed, mph (kph) ................... 24.8 (39.9)

Transmission Type ................... Infinitely Variable Transmission (IVT)
Number of Forward/Reverse Gears ................... Infinite forward and reverse
Oil Capacity, qts (L) ................... 69.6 (65.9)
Maximum Forward Speed, mph (kph) ................... 25.0 (40.2)
Maximum Reverse Speed, mph (kph) ................... 25.0 (40.2)

JD 7420 Wheels and Tires

Drive Wheels ................... 2WD/4WD
Steering Configuration ................... Front Steer
Steering System ................... Hydrostatic power
Brakes Type ................... Hydraulic wet disc
Front Tire Size ................... 14.9R28
Rear Tire Size ................... 18.4R38
Front Tread (2WD), in (mm) ................... 59.5-87.5 (1510-2220)
Front Tread (4WD), in (mm) ................... 59.4-83.4 (1500-2110)
Rear Tread, in (mm) ................... 60-96 (1520-2430)

John Deere 7420 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) ................... 26.7 (101.1)
Hydraulic Pressure, bar (psi) ................... 200 (2900)
Number of Standard Remote Valves ................... 4
3-Point Hitch Category ................... 2
Draft Sensing or Lift Control ................... Electro-hydraulic lower-link draft sensing
Standard Lift Capacity at lift pin, lb (kg) ................... 7450 (3380)
Optional Lift Capacity at lift pin, lb (kg) ................... 8700 (3945)

JD 7420 Dimensions and Weight

Wheelbase (2WD), in (mm) ................... 112.8 (2860)
Wheelbase (4WD), in (mm) ................... 104.3 (2640)
Length, in (mm) ................... 203.3 (5160)
Height, in (mm) ................... 114.1 (2890)
Overall Width, in (mm) ................... 96 (2430)
Ground Clearance, in (mm) ................... 20.5 (520)
Front Axle Load, lb (kg) ................... 9035 (4100)
Rear Axle Load, lb (kg) ................... 17185 (7800)
Weight (Operating), lb (kg) ................... 13280 (6020)
Weight (Maximum), lb (kg) ................... 22035 (9995)

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

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