6420 by John Deere
2002 - 2006
Production
Variants
2002 - 2006
| 2002 - 2006 |
| Utility tractor |
Production
| Production | |
| Manufacturer: | John Deere |
| Type: | Utility tractor |
| Factory: | Mannheim, Baden-Württemberg, Germany |
| Original price: | $44,000 (2007) |
Variants
| Variants | |
| 6420: | utility chassis |
| 6420L: | low-profile chassis |
John Deere 6420 Power
| John Deere 6420 Power | |
| Engine: | 110 hp 82.0 kW |
| PTO (claimed): | 90 hp 67.1 kW |
| Drawbar (tested): | 75.4 hp 56.2 kW |
| PTO (tested): | 103.9 hp 77.5 kW |
| power test details ... | |
John Deere 6420 Engine
| John Deere 6420 Engine | |
| John Deere 4.5L 4-cyl diesel | |
| Engine details ... |
Mechanical
| Mechanical | |
| Chassis: | 4x2 2WD |
| 4x4 MFWD 4WD | |
| Steering: | hydrostatic power |
| Brakes: | hydraulic wet disc |
| Cab: | Two-post ROPS. ConfortGard Cab optional. |
| Transmissions: | 12-speed fully synchronized |
| 16-speed partial power shift | |
| 24-speed partial power shift | |
| infinitely variable transmission | |
| Transmission details ... | |
Capacity
| Capacity | |
| Fuel: | 48.9 gal 185.1 L |
| Hydraulic system: | 13.7 gal 51.9 L |
| 15.9 gal 60.2 L (IVT) | |
Hydraulics
| Hydraulics | |
| Type: | closed center pressue flow compensated |
| Capacity: | 13.7 gal 51.9 L |
| 15.9 gal 60.2 L (IVT) | |
| Pressure: | 2900 psi 200.0 bar |
| Valves: | 4 |
| Pump flow: | 25 gpm 94.6 lpm |
Tractor hitch
| Tractor hitch | |
| Rear Type: | II |
| Rear lift: | 4745 lbs 2152 kg |
Power Take-off (PTO)
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 540 |
| 540/1000 | |
| Engine RPM: | 540@2124 540@2143 (reversible) 1000@2208 |
| Front PTO: | optional |
| Front RPM: | 1000 |
| Engine RPM: | 1000@2185 |
Dimensions & Tires
| Dimensions & Tires | |
| Wheelbase: | 94.5 inches 240 cm |
| Weight: | 10064 to 11110 pounds |
| Front tire: | 10.00-16 |
| Rear tire: | 18.4-34 (2WD) |
| Full dimensions and tires ... | |
6420 Serial Numbers
| 6420 Serial Numbers | |
| Location: | Serial number plate on the right side of the tractor's main frame. |
Electrical
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 90 |
| 115 | |
| 150 | |
| Battery volts: | 12 |
| Battery AH: | 110 |
| 154 | |
John Deere 6420 Power
82.0 kW
67.1 kW
56.2 kW
77.5 kW
2002 - 2006
| 2002 - 2006 |
| Utility tractor |
OCED Tractor Test 2007
| OCED Tractor Test 2007 | |||
| | |||
OCED Tractor Test 2007
| OCED Tractor Test 2007 | |
| Diesel AutoQuad 24-speed 4WD January 2002 - February 2002, Link: OCED Tractor Test 2007 file | |
| PTO performance | |
| Max power: | 103.9 hp 77.5 kW |
| Fuel use: | 5.5 gal/hour 20.8 l/hour |
| Power at rated engine speed: | 94.3 hp 70.3 kW |
| Fuel use: | 5.6 gal/hour 21.2 l/hour |
| Power at rated PTO speed: | 96.0 hp 71.6 kW |
| Fuel use: | 5.5 gal/hour 20.8 l/hour |
| Drawbar performance | |
| Max power: | 75.4 hp 56.2 kW |
| Fuel use: | 5.5 gal/hour 20.8 l/hour |
| Max pull: | 9,915 lbs 4497 kg |
John Deere 6420 Engine
2002 - 2006
| 2002 - 2006 |
| Utility tractor |
Engine Detail
| Engine Detail | |
| John Deere PowerTech 4045HL070 | |
| turbocharged diesel | |
| 4-cylinder | |
| liquid-cooled | |
| Displacement: | 276 ci 4.5 L |
| Bore/Stroke: | 4.19x5.00 inches 106 x 127 mm |
| Emissions: | Tier I |
| Power: | 110 hp 82.0 kW |
| Air cleaner: | dry |
| Rated RPM: | 2300 |
| Idle RPM: | 875-2510 |
| Operating RPM: | 1000-2300 |
| Torque: | 273 lb-ft 370.2 Nm |
| Torque RPM: | 1500 |
| Firing order: | 1-3-4-2 |
| Starter volts: | 12 |
| Starter power: | 4 hp 3.0 kW |
| Coolant capacity: | 14.4 qts 13.6 L |
| Intake valve clearance: | 0.014 inches 0.356 mm |
| Exhaust valve clearance: | 0.018 inches 0.457 mm |
Engine Oil
| Engine Oil | |
| Oil capacity: | 16.8 qts 15.9 L |
| Oil change: | 500 h |
Engine Detail
| Engine Detail | |
| 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 |
| Bore/Stroke: | 4.19x5.00 inches 106 x 127 mm |
| Emissions: | Tier II |
| Power: | 110 hp 82.0 kW |
| Air cleaner: | dry |
| Rated RPM: | 2300 |
| Idle RPM: | 845-2465 |
| Torque: | 346 lb-ft 469.2 Nm |
| Torque RPM: | 1500 |
| Firing order: | 1-3-4-2 |
| Starter volts: | 12 |
| Starter power: | 4 hp 3.0 kW |
| Coolant capacity: | 14.4 qts 13.6 L |
| Intake valve clearance: | 0.014 inches 0.356 mm |
| Exhaust valve clearance: | 0.018 inches 0.457 mm |
Engine Oil
| Engine Oil | |
| Oil capacity: | 16.8 qts 15.9 L |
| Oil change: | 500 h |
Mechanical
2002 - 2006
| 2002 - 2006 |
| Utility tractor |
Transmissions overview
| Transmissions overview | |
| 12-speed fully synchronized | |
| 16-speed partial power shift | |
| 24-speed partial power shift | |
| infinitely variable transmission |
Transmission
| Transmission | |||
| Transmission: | John Deere SyncroPlus | ||
| Type: | fully synchronized | ||
| Gears: | 12 forward and 4 reverse | ||
| Clutch: | wet disc | ||
| Oil capacity: | 55 qts 52.1 L | ||
| Oil type: |
| ||
| Three gears (1-3) plus reverse (R) in four ranges (A-D). Directional, gear, and range changes are synchronized and may be shifting while moving by using the clutch. Optional creeper adds an additional nine forward and three reverse speeds for a total of 21-forward and 7-reverse. The SyncroPlus Power Reverser adds a fourth gear in the place of reverse, and includes a left-hand reverser lever, for 16 forward and reverse speeds. | |||
Speeds
| Speeds | |
| With 18.4x30 R1 rear tires. | |
Transmission
| Transmission | |||
| Transmission: | John Deere PowrQuad | ||
| Type: | partial power shift | ||
| Gears: | 16 forward and reverse | ||
| Clutch: | wet disc | ||
| Oil capacity: | 51.8 qts 49.0 L | ||
| Oil type: |
| ||
| Four gears (1-4) in four ranges (A-D) with reverser lever. Clutchless power shift between gears (1-4) and direction changes (power shuttle). Range shifts (A-D) are synchronized, and may be shifted while the tractor is moving by using the clutch. Optional creeper adds an additional twelve speeds for 28 forward and reverse. The PowrQuad uses a gear-shift lever while the PowrQuad Plus (cab tractors only) offers push-button gear shifting. | |||
Speeds
| Speeds | |
| With 18.4x30 R1 rear tires. | |
Transmission
| Transmission | |||
| Transmission: | John Deere PowrQuad Plus | ||
| Type: | partial power shift | ||
| Gears: | 24 forward and reverse | ||
| Clutch: | wet disc | ||
| Oil capacity: | 52.8 qts 50.0 L | ||
| Oil type: |
| ||
| 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. | |||
Speeds
| Speeds | |
| With 18.4x30 R1 rear tires. | |
Transmission
| Transmission | |||
| Transmission: | John Deere IVT | ||
| Type: | infinitely variable transmission | ||
| Gears: | infinite forward and reverse | ||
| Oil capacity: | 63.4 qts 60.0 L | ||
| Oil type: |
| ||
| 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. | |||
Speeds
| Speeds | |
Capacity
185.1 L
51.9 L
60.2 L (IVT)
Hydraulics
51.9 L
60.2 L (IVT)
200.0 bar
94.6 lpm
Tractor hitch
2152 kg
Power Take-off (PTO)
540@2143 (reversible)
1000@2208
Dimensions & Tires
240 cm
2002 - 2006
| 2002 - 2006 |
| Utility tractor |
John Deere 6420 Tires
| John Deere 6420 Tires | |
| Standard tires (ag): | Front: 10.00-16. Rear: 18.4-34 (2WD) |
| Front: 13.6-24. Rear: 18.4-34 (4WD) | |
Dimensions
| Dimensions | |
| Wheelbase: | 94.5 inches 240 cm |
| Length: | 162.7 inches 413 cm |
| Min Width: | 61.8 inches 156 cm |
| Height: | 98.3 inches 249 cm |
| Clearance (front axle): | 23.1 inches 58 cm (2WD) |
| 18 inches 45 cm (4WD) | |
| Front tread: | 58.7 to 101.7 inches 149 to 258 cm (2WD) |
| Front tread: | 59.7 to 79.4 inches 151 to 201 cm (4WD) |
| Rear tread: | 63.1 to 90.6 inches 160 to 230 cm |
John Deere 6420 Weight
| John Deere 6420 Weight | |
| Shipping: | 10,064 lbs 4565 kg |
| 10,474 lbs 4751 kg (4WD) | |
| Operating: | 11,110 lbs 5039 kg (4WD cab) |
| Max capacity: | 17,635 lbs 7999 kg |
| Max front axle: | 11,685 lbs 5300 kg (2WD) |
| 12,125 lbs 5499 kg (4WD) | |
| Max rear axle: | 14,325 lbs 6497 kg |
6420 Serial Numbers
Electrical
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