John Deere 7420
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.
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 |
More John Deere models
View all John Deere modelsJohn Deere 100FModel100F
John Deere 1010Model1010
John Deere 1010CModel1010C
John Deere 1020Model1020
John Deere 1020 VUModel1020 VU
John Deere 1023EModel1023E
John Deere 1025RModel1025R
John Deere 1026RModel1026R
John Deere 1030Model1030
John Deere 1030VUModel1030VU
John Deere 1035Model1035
John Deere 1040Model1040
