| | 1978 - 1982 |
| Iron Horses Series | | Row-Crop tractor |
|
Series map:
4240
4440
4640
122.2hp
144.4hp
172.2hp
| Transmissions overview |
| 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
|
| Oil capacity | 44 qts (2WD)
41.6 L
|
| | 60 qts (4WD)
56.8 L
|
| 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 overdrive to each gear. |
| Speeds |
| With 18.4-38 rear tires. |
|
| Shift Pattern |
 |
| Transmission |
| Transmission | John Deere PowerShift
|
| Type | full power shift
|
| Gears | 8 forward and 4 reverse
|
| Oil capacity | 52 qts (2WD)
49.2 L
|
| | 68 qts (4WD)
64.4 L
|
| 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 |
| With 18.4-38 rear tires. |
|
| Shift Pattern |
 |
| Page information |
| Contact: Peter Easterlund |
| Updated on April 5, 2022 |
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