John Deere 7420 Technical specs


Make John Deere
Model 7420
Company country United states
Production years From 2003  Until 2007
Tractor type Row Crop tractor
Fuel diesel
Price -
Total build -
Service repair manual John Deere 7420 Manual
AG front tires 14.9R28
AG rear tires 18.4R38
Weight 12,890 lbs or 5846 kg
Length 203.3 inches [516 cm]
Width 96 inches [243 cm]
Height 114.1 inches [289 cm]
Wheelbase 104.3 inches [264 cm]
Ground clearance -
Rear tread size 60 to 88 inches
Front tread size 59.5 to 87.5 inches
Engine size 414 ci or 6.8 L
Number of cylinders 6 cylinders
Horsepower 135 hp or 100.7 kW
Power RPM 2100 (rpm)
Engine torque 450 lb-ft or 610.2 Nm
Engine torque RPM 1500 (rpm)
Fuel type diesel
Fuel tank capacity 54.7 gal or 207.0 L
Compression ratio 17:1
Bore stroke 4.19x5.00 inches or (106 x 127 mm)
Oil tank capacity 22.2 qts or 21.0 L
Coolant tank capacity 29.6 qts or 28.0 L
Number of batteries -
Battery voltage 12 V
Battery cold cranking Amps 850
Electric ground force negative
Electric charging system alternator
Electric charging Amps 115 amps
Engine starter volts 12 V
Parts And Accessories John Deere 7420 Parts
Transmission system Infinitely Variable Transmission (IVT)
Transmission type partial power shift
Transmission gears infinite forward and reverse
Oil tank capacity 59.2 qts or 56.0 L
Wheel drive 4x2 2WD
Final drive system inboard planetary
Steering system power
Braking system hydraulic wet disc
Cabin type ComfortGard Cab standard with air-conditioning
Differentiel lock electro-hydraulic rear
Hydraulic system closed-center PFC
Number of valves 4
Pump flow rate 26.7 gpm or 101.1 lpm
Drawbar real power 102.86 hp or 76.7 kW
Drawbar fuel consumption 6.7 gal/hour or 25.4 l/hour
PTO claimed power 115 hp or 85.8 kW
PTO real power 116.56 hp or 86.9 kW
PTO clutch system electro-hydraulic
Rear PTO system independent
Rear PTO RPM 540 (rpm)
Front PTO system independent
Front PTO RPM 1000 (rpm)
PTO fuel consumption 6.7 gal/hour or 25.4 l/hour
Hitch control system -
Rear hitch II
Rear hitch lift 7450 lbs or 3379 kg



Detailed review of John Deere 7420

John Deere produced its 7420 farm tractor model From 2003  Until 2007 in United states with a ComfortGard Cab standard with air-conditioning cabin.
Talking dimensions and weight, this model weighs 12,890 lbs or 5846 kg has 96 inches [243 cm] of width, 203.3 inches [516 cm] of length and 114.1 inches [289 cm] of height while maintaining a wheelbase of 104.3 inches [264 cm] the front tread is about 59.5 to 87.5 inches while the rear tread is 60 to 88 inches .
This tractor can fit ag tires of 14.9R28 front and 14.9R28 back .
This John Deere 7420 is powerd by a diesel engine it has 414 ci or 6.8 L 6 cylinders ,it can produce 135 hp or 100.7 kW at 2100 (rpm), and has a torque of 450 lb-ft or 610.2 Nm at 1500 (rpm) the fuel tank capacity is 54.7 gal or 207.0 L.
This machine has 4x2 2WD wheel drive system,infinite forward and reverse Infinitely Variable Transmission (IVT) transmission system.

- John Deere provided us with the latest version of its 7420 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 7420 farm-tractor here