john deere 4640
 | 1978 - 1982
Iron Horses SeriesRow-Crop tractor | 1978 - 1982 | Iron Horses Series | Row-Crop tractor |
|---|---|---|---|---|
1978 - 1982 | ||||
Iron Horses Series | ||||
Row-Crop tractor | ||||
1978 - 1982 | |
|---|---|
Iron Horses Series | |
Row-Crop tractor |
Transmission options | |
|---|---|
16-speed partial power shift | |
8-speed full power shift |
Transmission | |
|---|---|
Transmission | John Deere Quad-Range |
Type | partial power shift |
Gears | 16 forward and 6 reverse |
Four gears (1-4) in four ranges (A-D). Power shift between pairs 1-2 and 3-4 in each range, with synchronized shift between 2-3. Two reverses in ranges A-C. Tractor must be stopped, and clutch used, to shift ranges. Power shift is provided hy a hydraulically-controlled planetary that provides an under-drive to each gear. | |
Speeds | |
|---|---|
 |
Shift Pattern | |
|---|---|
 |
Transmission | |
|---|---|
Transmission | John Deere PowerShift |
Type | full power shift |
Gears | 8 forward and 4 reverse |
Clutchless shift-on-the-move power shift between all eight forward and four reverse gears. Inching pedal provided for hooking up implements and other precision work. | |
Speeds | |
|---|---|
 |
Shift Pattern | |
|---|---|
 |
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