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Years in Production / 2003–2007
John Deere
7420
Explore the specifications, hardware, and original references for the John Deere 7420.
135hp
Source index power
MFWD Optional
Drive
2003–2007
Production years
John Deere
Manufacturer
7420 / 01
At a glance
Overview
2003 - 2007
7020 Series
Row-Crop tractor
Production
Row-Crop tractor
Built in Waterloo, Iowa, USA
- Manufacturer
- John Deere
Mechanical
Two- or four-wheel drive
Power steering
Hydraulic wet disc brakes
ComfortGard Cab standard with air-conditioning.
- Final Drives
- inboard planetary
- Differential Lock
- electro-hydraulic rear
Hydraulics
- Type
- closed-center PFC
- Valves
- 4
- Pump Flow
- 26.7 gpm101.1 lpm
Hitch
- Rear Type
- II
- Rear Lift
- 7450 lbs3379 kg
- Rear Lift
- 8700 lbs (optional)3946 kg
Pto
- Rear Pto
- independent
- Clutch
- electro-hydraulic
- Rear Type
- 540/1000 (1.375)
- Front Pto
- independent *Optional. Field conversion kit.
- Front Pto Type
- 1000
Electrical
- Ground
- negative
- Charging System
- alternator
- Charging Amps
- 115
- Charging Amps
- 150
- Battery Cca
- 850
- Battery Volts
- 12
7420 / 02
Under the hood
Engine Detail
John Deere PowerTech 6068HF475
turbocharged diesel
6-cylinder
liquid-cooled
- Displacement
- 414 ci6.8 L
- Bore Stroke
- 4.19x5.00 inches106 x 127 mm
- Power
- 135 hp100.7 kW
- Air Cleaner
- dual paper elements
- Compression Ratio
- 17:1
- Rated Rpm
- 2100
- Idle Rpm
- 850-2250
- Operating Rpm
- 1300-2100
- Torque
- 450 lb-ft610.2 Nm
- Torque Rpm
- 1500
- Firing Order
- 1-5-3-6-2-4
- Starter Volts
- 12
- Starter Power
- 4.1 hp3.1 kW
- Oil Capacity
- 22.2 qts21.0 L
- Coolant Capacity
- 29.6 qts28.0 L
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Options
John Deere 6.8L 6-cyl diesel
- Fuel Tank
- 54.7 gal207.0 L
7420 / 03
Gears & controls
Transmission (Option 1)
Four power shift speeds (1-4) in four ranges (A-D) with left-hand reverser.
- Transmission
- John Deere PowrQuad
- Transmission Type
- partial power shift
- Gears
- 16 forward and reverse
- Oil Capacity
- 59.2 qts56.0 L
- Speeds Description
- With 20.8-38 rear tires.
Transmission (Option 2)
- Transmission
- AutoQuad
- Gears
- 24 forward and reverse
Transmission (Option 3)
available with MFWD only
- Transmission
- Infinitely Variable Transmission (IVT)
- Gears
- infinite forward and reverse
Transmission Options
16-speed partial power shift
24-speed
7420 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 203.3 in516 cm
- Width
- 96 in243 cm
- Height
- 114.1 in289 cm
- Wheelbase
- 112.8 in286 cm
- Front tread
- 59.5 in151 cm
- Rear tread
- 60 in152 cm
- Max drawbar
- 4,955 lbs2,247 kg
Dimensions And Tires
- 2wd Wheelbase
- 112.8 inches286 cm
- 4wd Wheelbase
- 104.3 inches264 cm
- Weight
- 12890 to 13280 pounds
- Front Tire
- 14.9R28
- Rear Tire
- 18.4R38
Tires And Tracks
- Front Ag
- 14.9R28
- Rear Ag
- 18.4R38
See it in action
Videos
Watch John Deere 7420 videos from their original YouTube creators.
7420 / 06
Tests (NTTL)
Oced Tractor Test1817
Diesel PowrQuad 4WDMay 20 - June 2, 2003Link: OCED Tractor Test 1817 file
PTO performance
Drawbar performance
- Max Power
- 127.38 hp95.0 kW
- Max Power
- 102.86 hp76.7 kW
- Fuel Use
- 6.8 gal/hour25.7 l/hour
- Fuel Use
- 6.7 gal/hour25.4 l/hour
- Power At Rated Engine Speed
- 116.56 hp86.9 kW