2002 - 2006 |
Utility tractor |
Production | |
Manufacturer: | John Deere |
Type: | Utility tractor |
Factory: | Mannheim, Baden-Württemberg, Germany |
Original price: | $44,000 (2007) |
Variants | |
6420: | utility chassis |
6420L: | low-profile chassis |
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 4.5L 4-cyl diesel | |
Engine details ... |
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 | |
Fuel: | 48.9 gal 185.1 L |
Hydraulic system: | 13.7 gal 51.9 L |
15.9 gal 60.2 L (IVT) |
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 | |
Rear Type: | II |
Rear lift: | 4745 lbs 2152 kg |
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 | |
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 | |
Location: | Serial number plate on the right side of the tractor's main frame. |
Electrical | |
Ground: | negative |
Charging system: | alternator |
Charging amps: | 90 |
115 | |
150 | |
Battery volts: | 12 |
Battery AH: | 110 |
154 |
2002 - 2006 |
Utility tractor |
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 |
2002 - 2006 |
Utility tractor |
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 | |
Oil capacity: | 16.8 qts 15.9 L |
Oil change: | 500 h |
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 | |
Oil capacity: | 16.8 qts 15.9 L |
Oil change: | 500 h |
2002 - 2006 |
Utility tractor |
Transmissions overview | |
12-speed fully synchronized | |
16-speed partial power shift | |
24-speed partial power shift | |
infinitely variable 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 | |
With 18.4x30 R1 rear tires. | |
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 | |
With 18.4x30 R1 rear tires. | |
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 | |
With 18.4x30 R1 rear tires. | |
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 | |
2002 - 2006 |
Utility tractor |
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 | |
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 | |
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 |