John Deere 6420 Specs ( 2002-2006 )
Production
| Description | Utility tractor / Built in Mannheim, Baden-Württemberg, Germany |
|---|---|
| Manufacturer | John Deere |
| Original price | $44,000 (2007) |
Engine
| Engine type | John Deere 4.5L 4-cyl diesel |
|---|---|
| Air cleaner | dry / dry |
| Bore/Stroke | 4.19x5.00 inches (106 x 127 mm) / 4.19x5.00 inches (106 x 127 mm) |
| Coolant capacity | 14.4 qts (13.6 L) / 14.4 qts (13.6 L) |
| Description | John Deere PowerTech 4045HL070 / turbocharged diesel / 4-cylinder / liquid-cooled / John Deere PowerTech 4045HL473 / turbocharged diesel / 4-cylinder / liquid-cooled / Used a Denso High-Pressure Common Rail (HPCR) fuel injection system. Also engine model 4045HL475 |
| Displacement | 276 ci (4.5 L) / 276 ci (4.5 L) |
| Emissions | Tier I / Tier II |
| Exhaust valve clearance | 0.018 inches (0.457 mm) / 0.018 inches (0.457 mm) |
| Firing order | 1-3-4-2 / 1-3-4-2 |
| Idle RPM | 875-2510 / 845-2465 |
| Intake valve clearance | 0.014 inches (0.356 mm) / 0.014 inches (0.356 mm) |
| Operating RPM | 1000-2300 |
| Power | 110 hp (82.0 kW) / 110 hp (82.0 kW) |
| Rated RPM | 2300 / 2300 |
| Starter power | 4 hp (3.0 kW) / 4 hp (3.0 kW) |
| Starter volts | 12 / 12 |
| Torque | 273 lb-ft (370.2 Nm) / 346 lb-ft (469.2 Nm) |
| Torque RPM | 1500 / 1500 |
| Oil capacity | 16.8 qts (15.9 L) / 16.8 qts (15.9 L) |
| Oil change | 500 h / 500 h |
| Drawbar (tested) | 75.4 hp (56.2 kW) |
| PTO (claimed) | 90 hp (67.1 kW) |
| PTO (tested) | 103.9 hp (77.5 kW) |
Transmission
| Clutch | wet disc / wet disc / wet disc |
|---|---|
| Description | Four gears (1-4) in six ranges (A-F) with reverser lever. Push-button power shifting between gears (1-4) and power shuttle directional shifting using the reverser lever. Ranges (A-F) may be shifted on the move by using the clutch. Optional AutoQuad offers automatic gear shifting to match load. / Continuously-variable transmission with built-in creeper and left-hand reverser lever. Speed-adjusting dial sets the maximum speed for each band. Setting maximum speed of Band 1 to less than 2 KPH (1.3 MPH) engages creeper mode. Only available on cab tractors. |
| Gears | 12 forward and 4 reverse / 16 forward and reverse / 24 forward and reverse / infinite forward and reverse |
| Oil capacity | 55 qts (52.1 L) / 51.8 qts (49.0 L) / 52.8 qts (50.0 L) / 63.4 qts (60.0 L) |
| Oil type | JD HyGard / JD HyGard / JD HyGard / JD Hy-Gard |
| Transmission | John Deere SyncroPlus / John Deere PowrQuad / John Deere PowrQuad Plus / John Deere IVT |
| Type | fully synchronized / partial power shift / partial power shift / infinitely variable transmission |
| Description | infinitely variable transmission |
| Transmission type | 12-speed fully synchronized / 16-speed partial power shift / 24-speed partial power shift |
| Description | infinitely variable transmission |
| Transmission type | 12-speed fully synchronized / 16-speed partial power shift / 24-speed partial power shift |
Mechanical
| Cab | Two-post ROPS. ConfortGard Cab optional. |
|---|---|
| Description | Hydraulic wet disc brakes |
| Drive type | Two- or four-wheel drive |
| Steering | hydrostatic power |
Capacity
| Fuel | 48.9 gal (185.1 L) |
|---|---|
| Hydraulic system | 13.7 gal (51.9 L) |
Hydraulics
| Capacity | 13.7 gal (51.9 L) |
|---|---|
| Pressure | 2900 psi (200.0 bar) |
| Pump flow | 25 gpm (94.6 lpm) |
| Type | closed center pressue flow compensated |
| Valves | 4 |
Hitch
| Rear lift | 4745 lbs (2152 kg) |
|---|---|
| Rear Type | II |
PTO
| Engine RPM | 540@2124 / 1000@2185 |
|---|---|
| Front PTO | optional |
| Front PTO Type | 1000 |
| Rear PTO | independent |
| Rear PTO Type | 540 |
Electrical
| Battery AH | 110 |
|---|---|
| Battery volts | 12 |
| Charging amps | 90 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Clearance (front axle) | 23.1 inches (2WD) (58 cm) |
|---|---|
| Front tread | 58.7 to 101.7 inches (2WD) (149 to 258 cm) / 59.7 to 79.4 inches (4WD) (151 to 201 cm) |
| Height | 98.3 inches (249 cm) |
| Length | 162.7 inches (413 cm) |
| Min Width | 61.8 inches (156 cm) |
| Rear tread | 63.1 to 90.6 inches (160 to 230 cm) |
| Wheelbase | 94.5 inches (240 cm) |
| Front tire | 10.00-16 |
| Rear tire | 18.4-34 (2WD) |
| Weight | 10064 to 11110 pounds |
| Wheelbase | 94.5 inches (240 cm) |
| Standard tires (ag) | Front: 10.00-16. Rear: 18.4-34 (2WD) |
6420 Serial Numbers
| Location: | Serial number plate on the right side of the tractor's main frame. |
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John Deere 6420 Weight
| Max capacity | 17,635 lbs (7999 kg) |
|---|---|
| Max front axle | 11,685 lbs (2WD) (5300 kg) |
| Max rear axle | 14,325 lbs (6497 kg) |
| Operating | 11,110 lbs (4WD cab) (5039 kg) |
| Shipping | 10,064 lbs (4565 kg) |
OCED Tractor Test 2007
| Description | Diesel AutoQuad 24-speed 4WDJanuary 2002 - February 2002, Link: OCED Tractor Test 2007 file / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 5.5 gal/hour (20.8 l/hour) / 5.6 gal/hour (21.2 l/hour) / 5.5 gal/hour (20.8 l/hour) / 5.5 gal/hour (20.8 l/hour) |
| Max power | 103.9 hp (77.5 kW) / 75.4 hp (56.2 kW) |
| Max pull | 9,915 lbs (4497 kg) |
| Power at rated engine speed | 94.3 hp (70.3 kW) |
| Power at rated PTO speed | 96.0 hp (71.6 kW) |
References
| Description | High-Crop and High-Clearance Tractors published in 2004, by John Deere |
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Speeds
| Description | With 18.4x30 R1 rear tires. / With 18.4x30 R1 rear tires. / With 18.4x30 R1 rear tires. |
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Variants
| 6420 | utility chassis |
|---|---|
| 6420L | low-profile chassis |