| | 1978 - 1982 |
| Iron Horses Series | | Row-Crop tractor |
|
Series map:
4040
4240
100.0hp
122.2hp
| Transmissions overview |
| 16-speed partial power shift |
| 8-speed partially synchronized |
| 8-speed full power shift |
| 13-speed creeper |
| Transmission |
| Transmission | John Deere Quad-Range
|
| Type | partial power shift
|
| Gears | 16 forward and 6 reverse
|
| Oil capacity | 62 qts
58.7 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 under-drive to each gear. |
| Speeds |
| With 18.4-34 rear tires. |
|
| Shift Pattern |
 |
| Transmission |
| Transmission | John Deere Syncro-Range
|
| Type | partially synchronized
|
| Gears | 8 forward and 2 reverse
|
| Oil capacity | 62 qts
58.7 L
|
| Four shift stations with two forward gears each. Reverse gear in stations one and two. Shifts between gears within a station are synchronized (clutch must be used). Tractor must be stopped, and clutch used, to select shift stations. |
| Speeds |
|
| Shift Pattern |
 |
| Transmission |
| Transmission | John Deere Powershift
|
| Type | full power shift
|
| Gears | 8 forward and 4 reverse
|
| Oil capacity | 54 qts
51.1 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 |
|
| Shift Pattern |
 |
| Transmission |
| Transmission | John Deere Syncro-Range Creeper
|
| Type | creeper
|
| Gears | 13 forward and 5 reverse
|
| Oil capacity | 62 qts
58.7 L
|
| Adds creeper to gears 1-5 of the Syncro-Range transmission. Creeper engaged by clutching and moving creeper control lever. |
| Speeds |
|
| Shift Pattern |
 |
| Page information |
| Contact: Peter Easterlund |
| Updated on March 31, 2022 |
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