John Deere 7420

John Deere 7420 Row-Crop tractor Technical Specifications

John Deere 7420 is a Row-Crop tractor that was produced by the John Deere between 2003 – 2007.

Below you will find detailed technical specifications for John Deere 7420 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

John Deere 7420 Production











Manufacturer:
Manufacturer: John Deere
Type: Row-Crop tractor
Factory: Waterloo, Iowa, USA


John Deere 7420 Power













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

John Deere 7420 Electrical



















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

John Deere 7420 Mechanical


































Chassis: 4×2 2WD
  4×4 MFWD 4WD
Final drives: inboard planetary
Differential lock: electro-hydraulic rear
Steering: power
Brakes: hydraulic wet disc
Cab: ComfortGard Cab standard with air-conditioning.
Transmissions: 16-speed partial power shift
  24-speed

Hydraulics










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

Tracktor Hitch










Rear Type: II
Rear lift: 7450 lbs
3379 kg
  8700 lbs
3946 kg (optional)

Power Take-off (PTO)
















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

John Deere 7420 Engine detail























































Engine Detail
John Deere PowerTech 6068HF475
turbocharged diesel
6-cylinder
liquid-cooled
Displacement: 414 ci
6.8 L
Bore/Stroke: 4.19×5.00 inches
106 x 127 mm
Power: 135 hp
100.7 kW
Air cleaner: dual paper elements
Compression: 17:1
Rated RPM: 2100
Idle RPM: 850-2250
Operating RPM: 1300-2100
Torque: 450 lb-ft
610.2 Nm
Torque RPM: 1500
Firing order: 1-5-3-6-2-4
Starter volts: 12
Starter power: 4.1 hp
3.1 kW
Oil capacity: 22.2 qts
21.0 L
Coolant capacity: 29.6 qts
28.0 L



John Deere 7420 Transmission overview

Engine Oil














Transmission: John Deere PowrQuad
Type: partial power shift
Gears: 16 forward and reverse
Oil capacity: 59.2 qts
56.0 L
Four power shift speeds (1-4) in four ranges (A-D) with left-hand reverser.

John Deere 7420 Dimensions














































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




























John Deere 7420 Weight
Shipping: 12,890 lbs
5846 kg
Operating: 13,280 lbs
6023 kg
Ballasted: 15,655 lbs
7101 kg
Max capacity: 22,035 lbs
9995 kg
Max Drawbar: 4,955 lbs
2247 kg
Max front axle: 9,035 lbs
4098 kg
  15,100 lbs
6849 kg (with loader)
Max rear axle: 17,185 lbs
7795 kg

John Deere 7420 Tests

OCED Tractor Test 1817






































OCED Tractor Test 1817
Diesel PowrQuad 4WD
May 20 – June 2, 2003
Link: OCED Tractor Test 1817 file
PTO performance
Max power: 127.38 hp
95.0 kW
Fuel use: 6.8 gal/hour
25.7 l/hour
Power at rated engine speed: 116.56 hp
86.9 kW
Fuel use: 6.7 gal/hour
25.4 l/hour
Drawbar performance
Max power: 102.86 hp
76.7 kW
Fuel use: 6.7 gal/hour
25.4 l/hour

FAQ

Is John Deere 7420 a good tractor?

The John Deere 7420 is one of the great tractors in the John Deere stable, and it has earned John Deere a fantastic reputation.

How much oil does a John Deere 7420 take?

Check out the John Deere 7420 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year John Deere made the 7320

The John Deere 7420 was an agricultural tractor model made from 2003 – 2007

Leave a Comment