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John Deere 7420

John Deere 7420 tractor
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The John Deere 7420 is a row-crop tractor produced from 2003 to 2007 as part of the 7020 Series. It features a 6.8L 6-cylinder turbocharged diesel engine producing 135 hp, with multiple transmission options including 16-speed partial power shift, 24-speed AutoQuad, and an Infinitely Variable Transmission (IVT) available with MFWD. The tractor offers two- or four-wheel drive, electro-hydraulic differential lock, and a ComfortGard Cab with air-conditioning. It has a fuel tank capacity of 54.7 gallons and hydraulic pump flow of 26.7 gpm. The 7420 supports a rear Type II hitch with lift capacities up to 8700 lbs optional, and PTO options include independent rear and optional front PTO. Dimensions vary with 2WD and 4WD wheelbases, and the tractor weighs between 12,890 and 15,655 lbs depending on configuration. Attachments include the 741 Loader with various lift and breakout capacities. The 7420 was built in Waterloo, Iowa, USA.
John Deere 7420tractorspecificationsenginetransmissiondimensionshydraulicsPTOattachmentsrow-crop tractor
Power135 hp
Founded2003 - 2007
Model7420

Technical Specifications

Detailed specifications and technical data for John Deere 7420

Power

Engine:135 hp / 100.7 kW
PTO (tested):127.38 hp / 95.0 kW
PTO (claimed):115 hp / 85.8 kW
Drawbar (tested):102.86 hp / 76.7 kW

Engine

Type:turbocharged diesel
Model:John Deere PowerTech 6068HF475
Power:135 hp / 100.7 kW
Torque:450 lb-ft / 610.2 Nm
Cooling:liquid-cooled
Idle RPM:850-2250
Cylinders:6-cylinder
Fuel tank:54.7 gal / 207.0 L
Rated RPM:2100
Torque RPM:1500
Air cleaner:dual paper elements
Bore/Stroke:4.19x5.00 inches / 106 x 127 mm
Compression:17:1
Displacement:414 ci / 6.8 L
Firing order:1-5-3-6-2-4
Oil capacity:22.2 qts / 21.0 L
Operating RPM:1300-2100
Starter power:4.1 hp / 3.1 kW
Starter volts:12
Coolant capacity:29.6 qts / 28.0 L

Weight

Shipping:12,890 lbs / 5846 kg
Ballasted:15,655 lbs / 7101 kg
Operating:13,280 lbs / 6023 kg
Max Drawbar:4,955 lbs / 2247 kg
Max capacity:22,035 lbs / 9995 kg
Max rear axle:17,185 lbs / 7795 kg
Max front axle:9,035 lbs / 4098 kg
Max front axle with loader:15,100 lbs / 6849 kg

Variants

7420:row-crop
7420HC:high-crop

Electrical

Ground:negative
Battery CCA:850
Battery volts:12
Charging amps:115 / 150
Charging system:alternator

Hydraulics

Type:closed-center PFC
Valves:4
Pump flow:26.7 gpm / 101.1 lpm

Mechanical

Cab:ComfortGard Cab standard with air-conditioning
Drive:Two- or four-wheel drive
Brakes:Hydraulic wet disc brakes
Final drives:inboard planetary
Power steering:yes
Differential lock:electro-hydraulic rear

Production

Years:2003 - 2007
Series:7020 Series
Built in:Waterloo, Iowa, USA
Category:Row-Crop tractor

Attachments

Dump angle:58.9°
Loader model:741 Loader
Reach dumped:38.2 inches / 97 cm
Reach ground:113.4 inches / 288 cm
Height at pin:172.5 inches / 438 cm
Bucket width 1:73 inches / 185 cm
Bucket width 2:96 inches / 243 cm
Breakout at pin:7779 lbs / 3528 kg
Breakout bucket:7172 lbs / 3253 kg
Clearance level:167 inches / 424 cm
Clearance dumped:139.3 inches / 353 cm
Lift 1.5m at pin:6259 lbs / 2839 kg
Lift full at pin:4617 lbs / 2094 kg
Breakout at 800mm:5913 lbs / 2682 kg
Lift 1.5m at 800mm:4966 lbs / 2252 kg
Lift full at 800mm:3527 lbs / 1599 kg
Rollback ground line:38.9°

Transmission

Type 1:partial power shift
Gears 1:16 forward and reverse
Gears 2:24 forward and reverse
Gears 3:infinite forward and reverse
Notes 3:available with MFWD only
Options:16-speed partial power shift, 24-speed
Description 1:Four power shift speeds (1-4) in four ranges (A-D) with left-hand reverser.
Oil capacity 1:59.2 qts / 56.0 L
Transmission 1:John Deere PowrQuad
Transmission 2:AutoQuad
Transmission 3:Infinitely Variable Transmission (IVT)

Tractor hitch

Rear Type:II
Rear lift:7450 lbs / 3379 kg
Optional rear lift:8700 lbs / 3946 kg

Serial Numbers

2003:1001
2004:10001
2005:30001
2006:45001
2007:60001
Location:On the main tractor frame, right side, above the front axle.

Dimensions & Tires

Width:96 inches (Minimum width with standard axle) / 243 cm
Height:114.1 inches / 289 cm
Length:203.3 inches / 516 cm
Rear tire:18.4R38
Front tire:14.9R28
2WD Wheelbase:112.8 inches / 286 cm
4WD Wheelbase:104.3 inches / 264 cm
Flanged rear axle:65.5 inch length / 1663 mm
Front tread (2WD):59.5 to 87.5 inches / 151 to 222 cm
Front tread (4WD):59.4 to 83.4 inches / 150 to 211 cm
Rear tread (flange axle):60 to 88 inches / 152 to 223 cm
Rear tread (long flange):76 to 96 inches / 193 to 243 cm
Rear tread (96-inch axle):60 to 104.6 inches / 152 to 265 cm
4WD Clearance (front axle):20.5 inches / 52 cm
Rack-and-pinion rear axle 1:3.4 by 96 inches / 86 by 2438 mm
Rack-and-pinion rear axle 2:3.4 by 110.5 inches / 86 by 2806 mm
Rear tread (110.5-inch axle):60 to 119.2 inches / 152 to 302 cm

Power Take-off (PTO)

Clutch:electro-hydraulic
Rear PTO:independent
Front PTO:independent (Optional. Field conversion kit.)
Rear PTO Type:540/1000 (1.375)
Front PTO Type:1000