john deere 6420
![]() | 2002 - 2006
Utility tractor | 2002 - 2006 | Utility tractor |
|---|---|---|---|
2002 - 2006 | |||
Utility tractor | |||
2002 - 2006 | |
|---|---|
Utility tractor |
Transmission options | |
|---|---|
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 | JD HyGard | JD HyGard | |
JD HyGard | |||
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. | |||
JD HyGard |
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Speeds | |
|---|---|
With 18.4x30 R1 rear tires. | |
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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 | JD HyGard | JD HyGard | |
JD HyGard | |||
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. | |||
JD HyGard |
|---|
Speeds | |
|---|---|
With 18.4x30 R1 rear tires. | |
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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 | JD HyGard | JD HyGard | |
JD HyGard | |||
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. | |||
JD HyGard |
|---|
Speeds | |
|---|---|
With 18.4x30 R1 rear tires. | |
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Transmission | |||
|---|---|---|---|
Transmission | John Deere IVT | ||
Type | infinitely variable transmission | ||
Gears | infinite forward and reverse | ||
Oil capacity | 63.4 qts
60.0 L | ||
Oil type | JD Hy-Gard | JD Hy-Gard | |
JD Hy-Gard | |||
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. | |||
JD Hy-Gard |
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Speeds | |
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