John Deere 6420 Transmission


John Deere 6420 tractor photo
2002 - 2006
Utility tractor
6410
Series:63206420
6430
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:
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.
Speeds
With 18.4x30 R1 rear tires.
6420 SyncroPlus fully synchronized speeds
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

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.
6420 PowrQuad partial power shift speeds
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

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.
6420 PowrQuad Plus partial power shift speeds
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

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
6420 IVT infinitely variable transmission speeds
Page information
Last update:May 13, 2015
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