| 1978 - 1982 |
Iron Horses Series | Row-Crop tractor |
|
Series map:
4240
4440
4640
122.2hp*
144.4hp*
172.2hp*
*Estimated engine power for comparison only.
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
|
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 |
|
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Peter Easterlund - owner/author |
Email: Peter@TractorData.com |
Updated on April 5, 2022 |
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