John Deere 7420 Specs ( 2003-2007 )
Production
| Description | Row-Crop tractor / Built in Waterloo, Iowa, USA |
|---|---|
| Manufacturer | John Deere |
Engine
| Engine type | John Deere 6.8L 6-cyl diesel |
|---|---|
| Fuel tank | 54.7 gal (207.0 L) |
| Air cleaner | dual paper elements |
| Bore/Stroke | 4.19x5.00 inches (106 x 127 mm) |
| Compression | 17:1 |
| Coolant capacity | 29.6 qts (28.0 L) |
| Description | John Deere PowerTech 6068HF475 / turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 414 ci (6.8 L) |
| Firing order | 1-5-3-6-2-4 |
| Idle RPM | 850-2250 |
| Oil capacity | 22.2 qts (21.0 L) |
| Operating RPM | 1300-2100 |
| Power | 135 hp (100.7 kW) |
| Rated RPM | 2100 |
| Starter power | 4.1 hp (3.1 kW) |
| Starter volts | 12 |
| Torque | 450 lb-ft (610.2 Nm) |
| Torque RPM | 1500 |
| Drawbar (tested) | 102.86 hp (76.7 kW) |
| PTO (claimed) | 115 hp (85.8 kW) |
| PTO (tested) | 127.38 hp (95.0 kW) |
Transmission
| Description | Four power shift speeds (1-4) in four ranges (A-D) with left-hand reverser. / available with MFWD only |
|---|---|
| Gears | 16 forward and reverse / 24 forward and reverse / infinite forward and reverse |
| Oil capacity | 59.2 qts (56.0 L) |
| Transmission | John Deere PowrQuad / AutoQuad / Infinitely Variable Transmission (IVT) |
| Type | partial power shift |
| Transmission type | 16-speed partial power shift / 24-speed |
| Transmission type | 16-speed partial power shift / 24-speed |
Mechanical
| Cab | ComfortGard Cab standard with air-conditioning. |
|---|---|
| Description | Power steering / Hydraulic wet disc brakes |
| Differential lock | electro-hydraulic rear |
| Drive type | Two- or four-wheel drive |
| Final drives | inboard planetary |
Hydraulics
| Pump flow | 26.7 gpm (101.1 lpm) |
|---|---|
| Type | closed-center PFC |
| Valves | 4 |
Hitch
| Rear lift | 7450 lbs (3379 kg) |
|---|---|
| Rear Type | II |
PTO
| Clutch | electro-hydraulic |
|---|---|
| Front PTO | independent *Optional. Field conversion kit. |
| Front PTO Type | 1000 |
| Rear PTO | independent |
| Rear PTO Type | 540/1000 (1.375) |
Electrical
| Battery CCA | 850 |
|---|---|
| Battery volts | 12 |
| Charging amps | 115 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| 2WD Wheelbase | 112.8 inches (286 cm) |
|---|---|
| 4WD Clearance (front axle) | 20.5 inches (52 cm) |
| 4WD Wheelbase | 104.3 inches (264 cm) |
| Flanged rear axle | 65.5 inch length (1663 mm) |
| Front tread | 59.5 to 87.5 inches (2WD) (151 to 222 cm) / 59.4 to 83.4 inches (4WD) (150 to 211 cm) |
| Height | 114.1 inches (289 cm) |
| Length | 203.3 inches (516 cm) |
| Rack-and-pinion rear axle | 3.4 by 96 inches (86 by 2438 mm) / 3.4 by 110.5 inches (86 by 2806 mm) |
| Rear tread | 60 to 88 inches (flange axle) (152 to 223 cm) / 76 to 96 inches (long flange) (193 to 243 cm) / 60 to 104.6 inches (96-inch axle) (152 to 265 cm) / 60 to 119.2 inches (110.5-inch axle) (152 to 302 cm) |
| Width | 96 inches*Minimum width with standard axle. (243 cm) |
| 2WD Wheelbase | 112.8 inches (286 cm) |
| 4WD Wheelbase | 104.3 inches (264 cm) |
| Front tire | 14.9R28 |
| Rear tire | 18.4R38 |
| Weight | 12890 to 13280 pounds |
| Ag front | 14.9R28 |
| Ag rear | 18.4R38 |
7420 Serial Numbers
| 2003 | 1001 |
|---|---|
| 2004 | 10001 |
| 2005 | 30001 |
| 2006 | 45001 |
| 2007 | 60001 |
| Description | FAQ: How to read a serial number table. |
| Location: | On the main tractor frame, right side, above the front axle. |
John Deere 7420 Weight
| 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) |
| Max rear axle | 17,185 lbs (7795 kg) |
| Operating | 13,280 lbs (6023 kg) |
| Shipping | 12,890 lbs (5846 kg) |
John Deere 7420 attachments
| Description | front-end loader |
|---|
OCED Tractor Test 1817
| Description | Diesel PowrQuad 4WDMay 20 - June 2, 2003Link: OCED Tractor Test 1817 file / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 6.8 gal/hour (25.7 l/hour) / 6.7 gal/hour (25.4 l/hour) / 6.7 gal/hour (25.4 l/hour) |
| Max power | 127.38 hp (95.0 kW) / 102.86 hp (76.7 kW) |
| Power at rated engine speed | 116.56 hp (86.9 kW) |
References
| Description | Get around-the-clock performance with the new 7020 Series Tractors published in 2003, by John Deere / High-Crop and High-Clearance Tractors published in 2004, by John Deere |
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Speeds
| Description | With 20.8-38 rear tires. |
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Variants
| 7420 | row-crop |
|---|---|
| 7420HC | high-crop |